{"id":8043,"date":"2022-05-13T00:41:51","date_gmt":"2022-05-12T17:41:51","guid":{"rendered":"https:\/\/www.phidgets.com\/education\/?page_id=8043"},"modified":"2022-06-01T02:25:42","modified_gmt":"2022-05-31T19:25:42","slug":"whistle","status":"publish","type":"page","link":"https:\/\/www.phidgets.com\/education\/learn\/projects\/whistle\/","title":{"rendered":"Whistle Detector"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; specialty=&#8221;off&#8221; next_background_color=&#8221;#000000&#8243; _builder_version=&#8221;4.4.1&#8243; custom_padding=&#8221;||0px|&#8221; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_row _builder_version=&#8221;4.4.1&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;3&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column type=&#8221;1_2&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221;][et_pb_code admin_label=&#8221;Whistle Detector&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<div class=\"ph-overline-text\"><!-- [et_pb_line_break_holder] -->    <a href=\"\/education\/learn\/projects\">Projects<\/a><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<h1>Whistle Detector<\/h1>\n<p>[\/et_pb_code][et_pb_code admin_label=&#8221;Description&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<pee>Use your Sound Phidget to create a whistle detector!<\/pee>[\/et_pb_code][et_pb_code admin_label=&#8221;ph-button-cta: Start&#8221; _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<a class=\"ph-button-cta\" href=\"#setup\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-button-cta__icon\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->  Start<!-- [et_pb_line_break_holder] --><\/a>[\/et_pb_code][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221;][et_pb_video _builder_version=&#8221;4.6.6&#8243; src=&#8221;https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2022\/05\/whistle_detect2.mp4&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; \/][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;4.4.1&#8243; use_custom_gutter=&#8221;on&#8221; gutter_width=&#8221;3&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; prev_background_color=&#8221;#000000&#8243;][et_pb_column type=&#8221;1_4&#8243;][et_pb_code admin_label=&#8221;ph-vertical-nav&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<div class=\"ph-vertical-nav ph-vertical-sticky\"><!-- [et_pb_line_break_holder] -->  <a href=\"#prereq\" class=\"ph-vertical-nav-item\">Prerequisites<\/a><!-- [et_pb_line_break_holder] -->  <a href=\"#setup\" class=\"ph-vertical-nav-item\">Setup<\/a><!-- [et_pb_line_break_holder] -->  <a href=\"#write-code\" class=\"ph-vertical-nav-item\">Write Code<\/a><!-- [et_pb_line_break_holder] -->  <a href=\"#run-code\" class=\"ph-vertical-nav-item\">Run Program<\/a><!-- [et_pb_line_break_holder] -->  <a href=\"#review\" class=\"ph-vertical-nav-item\">Code Review<\/a><!-- [et_pb_line_break_holder] -->  <a href=\"#practice\" class=\"ph-vertical-nav-item\">Practice<\/a><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][et_pb_column type=&#8221;3_4&#8243; specialty_columns=&#8221;3&#8243;][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;prereq&#8221; disabled=&#8221;off&#8221; disabled_on=&#8221;off|off|off&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Prerequisites&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;setup&#8221;]<\/p>\n<h2>Prerequisites<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>This project assumes you are familiar with the following<\/pee><!-- [et_pb_line_break_holder] --><\/p>\n<ul><!-- [et_pb_line_break_holder] --><\/p>\n<li>Arrays and\/or lists.<\/li>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<li>Sorting arrays and\/or lists.<\/li>\n<p><!-- [et_pb_line_break_holder] --><\/ul>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;setup&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Setup&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;setup&#8221;]<\/p>\n<h2>Setup<\/h2>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; custom_padding=&#8221;||0px|&#8221;][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Part: sound&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<div class=\"ph-part-card\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__top\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__type\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"ph-overline-text\"><!-- [et_pb_line_break_holder] -->        <a href=\"\">Sensors \/<\/a><!-- [et_pb_line_break_holder] -->        <a href=\"\">SND1000<\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__title\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<h3>Sound Phidget<\/h3>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__bottom\"><!-- [et_pb_line_break_holder] -->    <img decoding=\"async\" src=\"\/education\/wp-content\/uploads\/2022\/05\/sensor-sound-phidget3.png\" width=\"75%\" ><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][et_pb_code admin_label=&#8221;Part: usb cable&#8221; _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<div class=\"ph-part-card\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__top\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__type\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"ph-overline-text\"><!-- [et_pb_line_break_holder] -->        <a href=\"\">Cables\/<\/a><!-- [et_pb_line_break_holder] -->        <a href=\"\">3018<\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__title\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<h3>USB cable<\/h3>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__bottom\"><!-- [et_pb_line_break_holder] -->    <img decoding=\"async\" src=\"\/education\/wp-content\/uploads\/2020\/04\/part-usb-cable.jpg\"><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Part: vint&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<div class=\"ph-part-card\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__top\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__type\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"ph-overline-text\"><!-- [et_pb_line_break_holder] -->        <a href=\"\">Controllers \/<\/a><!-- [et_pb_line_break_holder] -->        <a href=\"\">hub0000<\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__title\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<h3>VINT Hub<\/h3>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__bottom\"><!-- [et_pb_line_break_holder] -->    <img decoding=\"async\" src=\"\/education\/wp-content\/uploads\/2020\/04\/part-vint.jpg\"><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Part: phidget cable&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<div class=\"ph-part-card\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__top\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__type\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"ph-overline-text\"><!-- [et_pb_line_break_holder] -->        <a href=\"\">Cables\/<\/a><!-- [et_pb_line_break_holder] -->        <a href=\"\">3003<\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"ph-part-card__title\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<h3>Phidget cable<\/h3>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-part-card__bottom\"><!-- [et_pb_line_break_holder] -->    <img decoding=\"async\" src=\"\/education\/wp-content\/uploads\/2020\/04\/part-phidget-cable.jpg\"><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Row&#8221;][et_pb_column_inner type=&#8221;1_2&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Step 1&#8243; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h3>Step 1<\/h3>\n<p><!-- [et_pb_line_break_holder] --><pee>Attach the Sound Phidget to the VINT Hub, and VINT Hub to your computer.<\/pee>[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_2&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_image _builder_version=&#8221;4.6.6&#8243; src=&#8221;https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/11\/setup_sound_scaled.png&#8221; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; show_in_lightbox=&#8221;on&#8221; \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; custom_padding=&#8221;||0px|&#8221;][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][\/et_pb_column_inner][et_pb_column_inner type=&#8221;1_3&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Row&#8221; disabled_on=&#8221;off|off|off&#8221; disabled=&#8221;off&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_id=&#8221;write-code&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221; (invisible anchor)&#8221; _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_id=&#8221;move&#8221; module_class=&#8221;ph-hidden-anchor&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_class=&#8221;ph-user-java&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Write code Java&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Write code (Java)<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>Copy the code below into a new Java project. If you need a reminder of how to do this, revisit the <a href=\"\/education\/learn\/getting-started-kit-tutorial\/configure-ide\">Getting Started Course.<\/a><!\u2013- [et_pb_br_holder] -\u2013><!\u2013- [et_pb_br_holder] -\u2013><!-- [et_pb_line_break_holder] -->Not your programming language? <a class=\"ph-toggle-settings\">Set your preferences<\/a> so we can display relevant code examples<\/pee>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample &#8211; Eclipse&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_class=&#8221;ph-user-eclipse&#8221;]<\/p>\n<pre class=\"language-java\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->\/\/Add Phidgets Library<!-- [et_pb_line_break_holder] -->import com.phidget22.*;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->public class WhistleDetector {<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    public static double max(double[] vals){<!-- [et_pb_line_break_holder] -->        double max = vals[0];<!-- [et_pb_line_break_holder] -->        for(int i = 1; i < vals.length; i++){<!-- [et_pb_line_break_holder] -->            if(vals[i] > max){<!-- [et_pb_line_break_holder] -->                max = vals[i];<!-- [et_pb_line_break_holder] -->            }<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] -->        return max;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    public static int indexof(double val, double[] arr){<!-- [et_pb_line_break_holder] -->        for(int i = 0; i < arr.length; i++){<!-- [et_pb_line_break_holder] -->            if(val == arr[i]){<!-- [et_pb_line_break_holder] -->                return i;<!-- [et_pb_line_break_holder] -->            }<!-- [et_pb_line_break_holder] -->        }        <!-- [et_pb_line_break_holder] -->        return 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    public static void main(String[] args) throws Exception{<!-- [et_pb_line_break_holder] -->        \/\/Define | The Sound Phidget can reports information about 10 indiviual frequency bands.<!-- [et_pb_line_break_holder] -->        double[] octaves_val = {31.5, 63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000};<!-- [et_pb_line_break_holder] -->        <!-- [et_pb_line_break_holder] -->        \/\/Create<!-- [et_pb_line_break_holder] -->        SoundSensor soundSensor = new SoundSensor();<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        \/\/Open<!-- [et_pb_line_break_holder] -->        soundSensor.open(1000);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        \/\/Use your Phidgets<!-- [et_pb_line_break_holder] -->        while (true) {<!-- [et_pb_line_break_holder] -->            <!-- [et_pb_line_break_holder] -->            \/\/Retrieve frequency band information<!-- [et_pb_line_break_holder] -->            double[] octaves = soundSensor.getOctaves();<!-- [et_pb_line_break_holder] -->            <!-- [et_pb_line_break_holder] -->            \/\/Determine the dominate frequency, and return the index<!-- [et_pb_line_break_holder] -->            int max_index = indexof(max(octaves), octaves);<!-- [et_pb_line_break_holder] -->                        <!-- [et_pb_line_break_holder] -->            System.out.println(\"Frequency:  \" + octaves_val[max_index] + \" Hz\");<!-- [et_pb_line_break_holder] -->            Thread.sleep(250);<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] -->    }    <!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample &#8211; Netbeans&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_class=&#8221;ph-user-netbeans&#8221;]<\/p>\n<pre class=\"language-java\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->package whistledetector;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->\/\/Add Phidgets Library<!-- [et_pb_line_break_holder] -->import com.phidget22.*;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->public class WhistleDetector {<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    public static double max(double[] vals){<!-- [et_pb_line_break_holder] -->        double max = vals[0];<!-- [et_pb_line_break_holder] -->        for(int i = 1; i < vals.length; i++){<!-- [et_pb_line_break_holder] -->            if(vals[i] > max){<!-- [et_pb_line_break_holder] -->                max = vals[i];<!-- [et_pb_line_break_holder] -->            }<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] -->        return max;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    public static int indexof(double val, double[] arr){<!-- [et_pb_line_break_holder] -->        for(int i = 0; i < arr.length; i++){<!-- [et_pb_line_break_holder] -->            if(val == arr[i]){<!-- [et_pb_line_break_holder] -->                return i;<!-- [et_pb_line_break_holder] -->            }<!-- [et_pb_line_break_holder] -->        }        <!-- [et_pb_line_break_holder] -->        return 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    public static void main(String[] args) throws Exception{<!-- [et_pb_line_break_holder] -->        \/\/Define | The Sound Phidget can reports information about 10 indiviual frequency bands.<!-- [et_pb_line_break_holder] -->        double[] octaves_val = {31.5, 63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000};<!-- [et_pb_line_break_holder] -->        <!-- [et_pb_line_break_holder] -->        \/\/Create<!-- [et_pb_line_break_holder] -->        SoundSensor soundSensor = new SoundSensor();<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        \/\/Open<!-- [et_pb_line_break_holder] -->        soundSensor.open(1000);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        \/\/Use your Phidgets<!-- [et_pb_line_break_holder] -->        while (true) {<!-- [et_pb_line_break_holder] -->            <!-- [et_pb_line_break_holder] -->            \/\/Retrieve frequency band information<!-- [et_pb_line_break_holder] -->            double[] octaves = soundSensor.getOctaves();<!-- [et_pb_line_break_holder] -->            <!-- [et_pb_line_break_holder] -->            \/\/Determine the dominate frequency, and return the index<!-- [et_pb_line_break_holder] -->            int max_index = indexof(max(octaves), octaves);<!-- [et_pb_line_break_holder] -->                        <!-- [et_pb_line_break_holder] -->            System.out.println(\"Frequency:  \" + octaves_val[max_index] + \" Hz\");<!-- [et_pb_line_break_holder] -->            Thread.sleep(250);<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] -->    }    <!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample &#8211; Processing&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_class=&#8221;ph-user-processing&#8221;]<\/p>\n<pre class=\"language-java\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->Code not available.<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_class=&#8221;ph-user-python&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Write code Python&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Write code (Python)<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>Copy the code below into a new Python project. If you need a reminder of how to do this, revisit the <a href=\"\/education\/learn\/getting-started-kit-tutorial\/configure-ide\">Getting Started Course.<\/a><!\u2013- [et_pb_br_holder] -\u2013><!\u2013- [et_pb_br_holder] -\u2013><!-- [et_pb_line_break_holder] -->Not your programming language? <a class=\"ph-toggle-settings\">Set your preferences<\/a> so we can display relevant code examples<\/pee>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<pre class=\"language-python\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->#Add Phidgets Library<!-- [et_pb_line_break_holder] -->from Phidget22.Phidget import *<!-- [et_pb_line_break_holder] -->from Phidget22.Devices.SoundSensor import *<!-- [et_pb_line_break_holder] -->#Required for sleep statement<!-- [et_pb_line_break_holder] -->import time<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->#Define | The Sound Phidget can reports information about 10 indiviual frequency bands.<!-- [et_pb_line_break_holder] -->octaves_val = [31.5, 63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] -->#Create<!-- [et_pb_line_break_holder] -->soundSensor = SoundSensor()<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->#Open<!-- [et_pb_line_break_holder] -->soundSensor.openWaitForAttachment(1000)<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->#Use your Phidgets<!-- [et_pb_line_break_holder] -->while (True):<!-- [et_pb_line_break_holder] -->    #Retrieve frequency band information<!-- [et_pb_line_break_holder] -->    octaves = soundSensor.getOctaves()    <!-- [et_pb_line_break_holder] -->    #Determine the dominant frequency, and return the index    <!-- [et_pb_line_break_holder] -->    max_index = octaves.index(max(octaves))    <!-- [et_pb_line_break_holder] -->    #Print the corresponding frequency<!-- [et_pb_line_break_holder] -->    print(\"Frequency: \" + str(octaves_val[max_index]) + \" Hz\")    <!-- [et_pb_line_break_holder] -->    time.sleep(0.25)<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_class=&#8221;ph-user-csharp&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Write code C#&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Write code (C#)<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>Copy the code below into a new C# project. If you need a reminder of how to do this, revisit the <a href=\"\/education\/learn\/getting-started-kit-tutorial\/configure-ide\">Getting Started Course.<\/a><!\u2013- [et_pb_br_holder] -\u2013><!\u2013- [et_pb_br_holder] -\u2013><!-- [et_pb_line_break_holder] -->Not your programming language? <a class=\"ph-toggle-settings\">Set your preferences<\/a> so we can display relevant code examples<\/pee>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<pre class=\"language-csharp\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->using System;<!-- [et_pb_line_break_holder] -->using System.Collections.Generic;<!-- [et_pb_line_break_holder] -->using System.Linq;<!-- [et_pb_line_break_holder] -->using System.Text;<!-- [et_pb_line_break_holder] -->using System.Threading.Tasks;<!-- [et_pb_line_break_holder] -->using Phidget22;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->namespace WhistleDetector<!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->    internal class Program<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->        static void Main(string[] args)<!-- [et_pb_line_break_holder] -->        {<!-- [et_pb_line_break_holder] -->            \/\/Define | The Sound Phidget can reports information about 10 indiviual frequency bands.<!-- [et_pb_line_break_holder] -->            double[] octaves_val = {31.5, 63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000};<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->            \/\/Create<!-- [et_pb_line_break_holder] -->            SoundSensor soundSensor = new SoundSensor();<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->            \/\/Open<!-- [et_pb_line_break_holder] -->            soundSensor.Open(1000);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->            \/\/Use your Phidgets<!-- [et_pb_line_break_holder] -->            while (true)<!-- [et_pb_line_break_holder] -->            {<!-- [et_pb_line_break_holder] -->                \/\/Retrieve frequency band information<!-- [et_pb_line_break_holder] -->                double[] octaves = soundSensor.Octaves;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->                \/\/Determine the dominate frequency, and return the index<!-- [et_pb_line_break_holder] -->                int max_index = octaves.ToList().IndexOf(octaves.Max());<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->                System.Console.WriteLine(\"Frequency: \" + octaves_val[max_index] + \" Hz\");<!-- [et_pb_line_break_holder] -->                System.Threading.Thread.Sleep(250);<!-- [et_pb_line_break_holder] -->            }<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; module_class=&#8221;ph-user-swift&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Write code Swift&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Write code (Swift)<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>Copy the code below into a new Swift project. If you need a reminder of how to do this, revisit the <a href=\"\/education\/learn\/getting-started-kit-tutorial\/configure-ide\">Getting Started Course.<\/a><!\u2013- [et_pb_br_holder] -\u2013><!\u2013- [et_pb_br_holder] -\u2013><!-- [et_pb_line_break_holder] -->Not your programming language? <a class=\"ph-toggle-settings\">Set your preferences<\/a> so we can display relevant code examples<\/pee>[\/et_pb_code][et_pb_code admin_label=&#8221;Code Sample&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<pre class=\"language-swift\"><!-- [et_pb_line_break_holder] -->  <code><!-- [et_pb_line_break_holder] -->Code not available.<!-- [et_pb_line_break_holder] -->  <\/code><!-- [et_pb_line_break_holder] --><\/pre>\n<p>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;run-code&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Run Your Program&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Run Your Program<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>Run your program and then whistle into the sensor. You will see the frequency of your whistle reported.<\/pee>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;review&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Code Review&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Code Review<\/h2>\n<p><!-- [et_pb_line_break_holder] --><pee>The Sound Phidget returns information about 10 different frequency bands (31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, and 16kHz). In the code above, we identify the loudest band, and return the frequency value to the user.<\/pee>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; module_id=&#8221;practice&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;Practice&#8221; _builder_version=&#8221;4.6.6&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<\/p>\n<h2>Practice<\/h2>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<ol><!-- [et_pb_line_break_holder] --><\/p>\n<li>After you have identified the frequency of your whistle (it should be around 1000 Hz), modify your program to print <strong>Whistle Detected<\/strong> when you whistle into the sensor. <strong>Hint:<\/strong> if your whistle is 1000Hz, you should identify when that is the loudest of all bands (the maximum) and you should set a threshold so a whistle is only detected if the sound is louder than the ambient environment. <\/li>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<li>Now that you can identify your whistle, try turning on the LEDs from the Getting Started Kit when your whistle is detected. Next, try creating a custom program that performs a function when your whistle is detected (e.g. add a Power Plug Phidget to turn lights on\/off).<\/li>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<li><strong>Bonus:<\/strong> The Sound Phidget can detect the following frequencies: 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz. Try using an <a href=\"https:\/\/www.szynalski.com\/tone-generator\/\" target=\"_blank\" rel=\"noopener noreferrer\">online tone generator<\/a> to play sounds from your speaker. See if the Sound Phidget can detect each frequency band accurately.<\/li>\n<p><!-- [et_pb_line_break_holder] --><\/ol>\n<p>[\/et_pb_code][et_pb_video _builder_version=&#8221;4.6.6&#8243; src=&#8221;https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2022\/05\/whistle_detector.mp4&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243; \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Row&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;3_4&#8243; custom_padding__hover=&#8221;|||&#8221; custom_padding=&#8221;|||&#8221; saved_specialty_column_type=&#8221;3_4&#8243;][et_pb_code admin_label=&#8221;ph-button-cta: Back to Projects&#8221; _builder_version=&#8221;4.4.1&#8243; box_shadow_horizontal_tablet=&#8221;0px&#8221; box_shadow_vertical_tablet=&#8221;0px&#8221; box_shadow_blur_tablet=&#8221;40px&#8221; box_shadow_spread_tablet=&#8221;0px&#8221; vertical_offset_tablet=&#8221;0&#8243; horizontal_offset_tablet=&#8221;0&#8243; z_index_tablet=&#8221;0&#8243;]<a class=\"ph-button-cta\" href=\"\/education\/learn\/projects\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"ph-button-cta__icon\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->  Back to Projects<!-- [et_pb_line_break_holder] --><\/a>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\/\/Add Phidgets Libraryimport com.phidget22.*;public class WhistleDetector { public static double max(double[] vals){ double max = vals[0]; for(int i = 1; i < vals.length; i++){ if(vals[i] > max){ max = vals[i]; } } return max; } public static int indexof(double val, double[] arr){ for(int i = 0; i < arr.length; i++){ if(val == arr[i]){ return i; [&hellip;]\n<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":842,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:paragraph -->\r\n<p>This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:<\/p>\r\n<!-- \/wp:paragraph --><!-- wp:quote -->\r\n<blockquote class=\"wp-block-quote\">\r\n<p>Hi there! I'm a bike messenger by day, aspiring actor by night, and this is my website. I live in Los Angeles, have a great dog named Jack, and I like pi\u00f1a coladas. (And gettin' caught in the rain.)<\/p>\r\n<\/blockquote>\r\n<!-- \/wp:quote --><!-- wp:paragraph -->\r\n<p>...or something like this:<\/p>\r\n<!-- \/wp:paragraph --><!-- wp:quote -->\r\n<blockquote class=\"wp-block-quote\">\r\n<p>The XYZ Doohickey Company was founded in 1971, and has been providing quality doohickeys to the public ever since. Located in Gotham City, XYZ employs over 2,000 people and does all kinds of awesome things for the Gotham community.<\/p>\r\n<\/blockquote>\r\n<!-- \/wp:quote --><!-- wp:paragraph -->\r\n<p>As a new WordPress user, you should go to <a href=\"https:\/\/www.phidgets.com\/education\/wp-admin\/\">your dashboard<\/a> to delete this page and create new pages for your content. Have fun!<\/p>\r\n<!-- \/wp:paragraph -->","_et_gb_content_width":"","footnotes":""},"class_list":["post-8043","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/8043","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/comments?post=8043"}],"version-history":[{"count":12,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/8043\/revisions"}],"predecessor-version":[{"id":8204,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/8043\/revisions\/8204"}],"up":[{"embeddable":true,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/842"}],"wp:attachment":[{"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/media?parent=8043"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}