{"id":4857,"date":"2021-03-17T00:19:53","date_gmt":"2021-03-16T17:19:53","guid":{"rendered":"https:\/\/www.phidgets.com\/education\/?page_id=4857"},"modified":"2022-12-21T02:28:58","modified_gmt":"2022-12-20T19:28:58","slug":"raspberry-pi-automate","status":"publish","type":"page","link":"https:\/\/www.phidgets.com\/education\/learn\/projects\/raspberry-pi-automate\/","title":{"rendered":"Raspberry Pi – Automate Your Phidgets"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ custom_padding=”||0px|” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ use_custom_gutter=”on” gutter_width=”3″ _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Raspberry Pi – Automate Your Phidgets” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ hover_enabled=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Projects<\/a> <\/div>\n

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Start Automatically(Raspberry Pi)<\/h1>\n

[\/et_pb_code][et_pb_code admin_label=”Description” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ hover_enabled=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}” sticky_enabled=”0″]It can be very useful to have your programs start automatically when your Raspberry Pi launches. For example, you may be logging data from a greenhouse and displaying it on a website. After developing the program, you will disconnect your Raspberry Pi from keyboards\/monitors, plug it in and let it log data and serve your website.<\/pee>This project will show you how to run your projects automatically when your Raspberry Pi starts up using a system service.<\/pee>[\/et_pb_code][et_pb_code admin_label=”ph-button-cta: Start” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”] <\/p>\n

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Start<\/a>[\/et_pb_code][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2022\/08\/phidgets_pi_launch2.jpg” _builder_version=”4.18.0″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ use_custom_gutter=”on” gutter_width=”3″ specialty=”on” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column type=”1_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”ph-vertical-nav” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ hover_enabled=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” saved_tabs=”all” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Setup<\/a> Write Code<\/a> Create Program<\/a> Create a System Service<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”3_4″ specialty_columns=”3″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_row_inner module_id=”setup” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Setup” module_id=”setup” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n

Setup<\/h2>\n

Before getting started, make sure you have the following parts.<\/strong><\/pee>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=”1_3,1_3,1_3″ _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ custom_padding=”||0px|” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Part: GSK” _builder_version=”4.18.0″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_module=”8489″ saved_tabs=”all” global_colors_info=”{}”]<\/p>\n

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Kit\/<\/a> Getting Started Kit<\/a> <\/div>\n

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Getting Started Kit<\/h3>\n

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[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Part: Pi” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” saved_tabs=”all” global_colors_info=”{}”]<\/p>\n

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Any Raspberry Pi<\/h3>\n

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[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=”1_2,1_2″ admin_label=”Row” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column_inner type=”1_2″ saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Step 1″ _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n

Step 1<\/h3>\n

Simply connect your Getting Started Kit to your Raspberry Pi.<\/pee>If you haven’t set up your Raspberry Pi with Phidgets yet, visit the Getting Started Kit tutorial<\/a>.<\/i><\/pee>[\/et_pb_code][\/et_pb_column_inner][et_pb_column_inner type=”1_2″ saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2022\/08\/kit4003_2_pi.jpg” show_in_lightbox=”on” _builder_version=”4.18.0″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner disabled_on=”on|on|on” admin_label=”Row” _builder_version=”4.16″ disabled=”on” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=” (invisible anchor)” module_id=”move” module_class=”ph-hidden-anchor” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=”write-code” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Write code Python” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n

Write Code<\/h2>\n

Copy the code below into a new Python project. If you need a reminder of how to do this, revisit the Getting Started Course.<\/a><\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n

  #Add Phidgets libraryfrom Phidget22.Phidget import *from Phidget22.Devices.TemperatureSensor import *from Phidget22.Devices.DigitalOutput import *#Required for sleep statementimport time#CreatetemperatureSensor = TemperatureSensor()statusLED = DigitalOutput()#AddressstatusLED.setHubPort(1)statusLED.setIsHubPortDevice(True)#OpentemperatureSensor.openWaitForAttachment(1000)statusLED.openWaitForAttachment(1000)#Use your Phidgetswhile (True):    #Update user    print(\"Logging data...\")        #Blink LED to indicate program is running    statusLED.setState(not statusLED.getState())    #Write data to file in CSV format    with open ('phidgets_temperature.csv','a') as datafile:        datafile.write(str(temperatureSensor.getTemperature()) + \"\\n\")        time.sleep(1.0)  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=”create” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Create Program” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
Create Program<\/h2>\n
The code above logs temperature to a file and flashes the red LED on your Getting Started Kit. <\/pee>Save the Python script in \/home\/pi\/<\/strong> under the name phidgets_temperature.py<\/strong>. If you are unfamiliar with logging data from a Phidgets sensor, review this project<\/a>. <\/pee>[\/et_pb_code][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2021\/03\/pi_automate_file.png” show_in_lightbox=”on” align=”center” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ width=”75%” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=”cron” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”System Service” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
Create a System Service<\/h2>\n
Services allow you to run programs in the background without having to manually start them. In this situation, we would like our program to run automatically when the Raspberry Pi boots, so a service will be a good choice.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Create service” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]Open your terminal and enter the following command:<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  sudo nano \/etc\/systemd\/system\/phidgettemperature.service  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Service create explained” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]This will create a new file at the location \/etc\/systemd\/system\/<\/strong> called phidgettemperature.service<\/strong>. You can also navigate to this location using the graphical user interface and create the file yourself.<\/pee>[\/et_pb_code][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2022\/12\/service_created.jpg” title_text=”service_created” show_in_lightbox=”on” align=”center” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ width=”75%” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][et_pb_code admin_label=”Edit service” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]Next, paste the code below into your new file and save it.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  # Contents of \/etc\/systemd\/system\/phidgettemperature.service[Unit]Description=Phidget Temperature LoggerAfter=network.target[Service]Type=simpleRestart=alwaysWorkingDirectory=\/home\/pi\/User=piExecStart=\/usr\/bin\/python3 \/home\/pi\/Desktop\/phidgets_temperature.py[Install]WantedBy=multi-user.target  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Service Info” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]To learn more about what each line of the service accomplishes, visit this page<\/a>.<\/pee>  To start your service, copy the following commands into your terminal.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  systemctl daemon-reload  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  systemctl enable phidgettemperature.service  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  systemctl start phidgettemperature.service  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Service Info” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]The service is now enabled, and will start every time the Raspberry Pi boots. You can view the status of your service by entering the following command.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  systemctl status phidgettemperature.service  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner module_id=”cron” _builder_version=”4.19.2″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ hover_enabled=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}” disabled_on=”on|on|on” disabled=”on” sticky_enabled=”0″][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”Cron” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ hover_enabled=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n
Schedule Run with cron<\/h2>\n
cron<\/strong> allows you to easily schedule tasks on your Raspberry Pi. In this situation, cron is used to run your Phidgets project whenever the Raspberry Pi starts. <\/pee>[\/et_pb_code][et_pb_code admin_label=”Edit crontab” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]Open your terminal and enter the following command:<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  crontab -e  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”crontab @reboot” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]Add the following line to the bottom of your crontab<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]<\/p>\n
  @reboot python3 \/home\/pi\/phidgets_temperature.py  <\/code><\/pre>\n
[\/et_pb_code][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2021\/03\/pi_automate_crontab.png” show_in_lightbox=”on” align=”center” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ width=”75%” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][et_pb_code admin_label=”crontab @reboot” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]Exit and save the file. When you reboot your Raspberry Pi, you will see your red LED blinking indicating that the program is running. You can check the output file to see your logged data.<\/pee>[\/et_pb_code][et_pb_image src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2021\/03\/pi_automate_data.png” show_in_lightbox=”on” align=”center” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ width=”75%” z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=”Row” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_code admin_label=”ph-button-cta: Back to Projects” _builder_version=”4.16″ vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” global_colors_info=”{}”]  <\/p>\n
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  Back to Projects<\/a>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"
# Contents of \/etc\/systemd\/system\/phidgettemperature.service[Unit]Description=Phidget Temperature LoggerAfter=network.target[Service]Type=simpleRestart=alwaysWorkingDirectory=\/home\/pi\/User=piExecStart=\/usr\/bin\/python3 \/home\/pi\/Desktop\/phidgets_temperature.py[Install]WantedBy=multi-user.target<\/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":"\r\n
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\r\n
\r\n
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\r\n
...or something like this:<\/p>\r\n\r\n
\r\n
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\r\n
As a new WordPress user, you should go to your dashboard<\/a> to delete this page and create new pages for your content. Have fun!<\/p>\r\n","_et_gb_content_width":"","footnotes":""},"class_list":["post-4857","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/4857","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=4857"}],"version-history":[{"count":26,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/4857\/revisions"}],"predecessor-version":[{"id":9371,"href":"https:\/\/www.phidgets.com\/education\/wp-json\/wp\/v2\/pages\/4857\/revisions\/9371"}],"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=4857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}