{"id":742,"date":"2020-04-06T03:52:10","date_gmt":"2020-04-05T20:52:10","guid":{"rendered":"https:\/\/www.phidgets.com\/educationDEV\/?page_id=742"},"modified":"2022-05-28T04:46:24","modified_gmt":"2022-05-27T21:46:24","slug":"rfid-controller","status":"publish","type":"page","link":"https:\/\/www.phidgets.com\/education\/learn\/device-tutorials\/rfid-controller\/","title":{"rendered":"RFID controller"},"content":{"rendered":"

[et_pb_section bb_built=”1″ inner_width=”auto” inner_max_width=”1200px” next_background_color=”#000000″][et_pb_row][et_pb_column type=”1_2″ custom_padding__hover=”|||” custom_padding=”|||”][et_pb_code admin_label=”RFID controller” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n

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Device tutorials<\/a><\/div>\n

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RFID Phidget<\/h1>\n

RFID stands for Radio Frequency Identification.\u200b The RFID Phidget allows you to read from and write to RFID tags. RFID tags store small amounts of data. Data is wirelessly transmitted to the RFID reader when a tag comes within range of the RFID reader.The RFID is unique as it does not require a VINT Hub.<\/pee> <\/p>\n

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See tutorial<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”1_2″ custom_padding__hover=”|||” custom_padding=”|||”][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/device-rfid.jpg” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=”1″ specialty=”on” prev_background_color=”#000000″ _builder_version=”4.4.1″ use_custom_gutter=”on” gutter_width=”3″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_id=”tutorial”][et_pb_column type=”1_4″][et_pb_code admin_label=”ph-vertical-nav” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ saved_tabs=”all”]<\/p>\n

Setup<\/a> Code<\/a> Applications<\/a> Practice<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”3_4″ specialty_columns=”3″][et_pb_row_inner _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” module_id=”setup” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Setup” _builder_version=”4.4.3″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n

Setup<\/h3>\n

Before you do any coding you will have to attach your RFID Phidget to your computer through a USB port:<\/pee>[\/et_pb_code][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/setup-rfid-scaled.jpg” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” module_id=”write-code” module_class=”ph-hidden-anchor” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Write Code – row hidden anchor” _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-java”][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Code (Java)” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n

Code (Java)<\/h3>\n

Create a file called RFIDPhidget<\/em> and insert the following code. Connect your RFID Phidget to your Computer, you do not need a VINT Hub. Run your code. Tap your RFID Tags.<\/pee>Not your programming language? Set my language and IDE<\/a>.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code Sample – Netbeans” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-netbeans “]<\/p>\n

  package rfidphidget;\/\/Add Phidgets Libraryimport com.phidget22.*;public class RFIDPhidget {    public static void main(String[] args) throws Exception {        \/\/Create        RFID rfid = new RFID();        \/\/Open        rfid.open(1000);        \/\/Use your Phidget        while (true) {            if (rfid.getTagPresent()) {                System.out.println(rfid.getLastTag().tagString);            }            Thread.sleep(150);        }    }}  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Code Sample – Eclipse” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-eclipse”]<\/p>\n
  \/\/Add Phidgets Libraryimport com.phidget22.*;public class RFIDPhidget {    public static void main(String[] args) throws Exception {        \/\/Create        RFID rfid = new RFID();        \/\/Open        rfid.open(1000);        \/\/Use your Phidget        while (true) {            if (rfid.getTagPresent()) {                System.out.println(rfid.getLastTag().tagString);            }            Thread.sleep(150);        }    }}  <\/code><\/pre>\n
[\/et_pb_code][et_pb_code admin_label=”Code Sample – Processing” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-processing”]<\/p>\n
  \/\/Add Phidgets Libraryimport com.phidget22.*;\/\/DefineRFID rfid;void setup(){  try{        \/\/Create     rfid = new RFID();    \/\/Open    rfid.open(1000);      }catch(Exception e){    e.printStackTrace();  }}void draw(){  try{        \/\/Use your Phidgets    if (rfid.getTagPresent()) {        System.out.println(rfid.getLastTag().tagString);    }    delay(500);      }catch(Exception e){    e.printStackTrace();  }}  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-python”][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Code (Python)” _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
Code (Python)<\/h3>\n
Create a file called RFID<\/em> and insert the following code. Connect your RFID Phidget to your Computer, you do not need a VINT Hub. Run your code. Tap your RFID Tags.<\/pee>Not your programming language? Set my language and IDE<\/a>.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code sample” _builder_version=”4.4.3″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
  #Add Phidgets Libraryfrom Phidget22.Phidget import *from Phidget22.Devices.RFID import *#Required for sleep statementimport time#Createrfid = RFID()#Openrfid.openWaitForAttachment(1000)#Use your Phidgetswhile (True):    if(rfid.getTagPresent()):        print(rfid.getLastTag()[0])    time.sleep(0.15)  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-csharp”][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Code (C#)” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
Code (C#)<\/h3>\n
Create a file called RFIDPhidget<\/em> and insert the following code. Connect your RFID Phidget to your Computer, you do not need a VINT Hub. Run your code. Tap your RFID Tags.<\/pee>Not your programming language? Set my language and IDE<\/a>.<\/pee>[\/et_pb_code][et_pb_code admin_label=”Code sample” _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
  \/\/Add Phidgets Libraryusing Phidget22;namespace RFID{    class Program{        static void Main(string[] args){            \/\/Create            RFID rfid = new RFID();            \/\/Open            rfid.Open(1000);            \/\/Use your Phidgets            while (true){                if (rfid.TagPresent){                    System.Console.WriteLine(rfid.GetLastTag().TagString);                }                System.Threading.Thread.Sleep(150);            }        }    }}  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_class=”ph-user-swift”][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Code (Swift)” _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
Code (Swift)<\/h3>\n
Create a file called RFID<\/em> and insert the following code. Connect your RFID Phidget to your Computer, you do not need a VINT Hub. Run your code. Tap your RFID Tags.<\/pee>Not your programming language? Set my language and IDE<\/a>.<\/pee>You will need to add a Label.<\/pee>[\/et_pb_code][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/rfid-1.png” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ disabled_on=”off|off|off” disabled=”off” \/][et_pb_code admin_label=”Code sample” _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
  import Cocoa\/\/Add Phidgets Libraryimport Phidget22Swiftclass ViewController: NSViewController {    @IBOutlet weak var sensorLabel: NSTextField!        \/\/Create    let rfid = RFID()        override func viewDidLoad() {        super.viewDidLoad()        do{            \/\/Subscribe to events            let _ = rfid.tag.addHandler(onTagFound)\t    let _ = rfid.tagLost.addHandler(onTagLost)                        \/\/Open            try rfid.open()                    }catch{            print(error)        }    }        func onTagFound(sender:RFID, data: (tag:String, proto:RFIDProtocol)){        DispatchQueue.main.async {\t    \/\/Use information from your Phidget to change label            self.sensorLabel.stringValue = data.tag        }    }        func onTagLost(sender:RFID, data: (tag:String, proto:RFIDProtocol)){        DispatchQueue.main.async {\t    \/\/Use information from your Phidget to change label            self.sensorLabel.stringValue = \"No Tag Present\"        }    }}  <\/code><\/pre>\n
[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” module_id=”applications” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Applications” _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
Applications<\/h3>\n
If you have ever tapped a plastic card against a door to gain entry, you\u2019ve used RFID technology. RFID tags and readers are in use in a wide variety of industries and applications, from inventory management in large warehouses to animal identification in agriculture to tracking machines on a factory floor. <\/pee>[\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=”Row” _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/rfid-2.jpg” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/rfid-4.jpg” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][et_pb_column_inner type=”1_3″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_image _builder_version=”4.4.1″ src=”https:\/\/www.phidgets.com\/education\/wp-content\/uploads\/2020\/04\/rfid-3.jpg” box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” module_id=”practice” module_class=”ph-hidden-anchor” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Practice – row hidden anchor” _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ \/][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.4.5″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_code admin_label=”Practice” _builder_version=”4.4.1″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″]<\/p>\n
Practice<\/h3>\n
Using your RFID Phidget and the Getting Started Kit, create an indicator similar to those on door access systems all over the world. <\/pee><\/p>\n
    <\/p>\n
  1. When a tag is detected, turn on the green LED. <\/li>\n
    <\/p>\n
  2. When there is no tag, turn on the red LED.<\/li>\n
    <\/ol>\n
    [\/et_pb_code][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.6.6″ box_shadow_horizontal_tablet=”0px” box_shadow_vertical_tablet=”0px” box_shadow_blur_tablet=”40px” box_shadow_spread_tablet=”0px” vertical_offset_tablet=”0″ horizontal_offset_tablet=”0″ z_index_tablet=”0″ module_id=”documentation” disabled=”off” disabled_on=”off|off|off”][et_pb_column_inner type=”4_4″ saved_specialty_column_type=”3_4″ custom_padding__hover=”|||” custom_padding=”|||” saved_specialty_column_type=”3_4″][et_pb_text admin_label=”API Disclaimer” _builder_version=”4.6.6″ text_text_shadow_horizontal_length=”text_text_shadow_style,%91object Object%93″ text_text_shadow_horizontal_length_tablet=”0px” text_text_shadow_vertical_length=”text_text_shadow_style,%91object Object%93″ text_text_shadow_vertical_length_tablet=”0px” text_text_shadow_blur_strength=”text_text_shadow_style,%91object Object%93″ text_text_shadow_blur_strength_tablet=”1px” 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    Check out the advanced lesson Using the Sensor API<\/a> before you use the API for the first time.<\/p>\n
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      \n
    1. Make sure everything is plugged in properly and your RFID Phidget is connected to your computer<\/li>\n
    2. Stop running other programs that are using your Phidgets before running a program.<\/li>\n<\/ol>\n
      If these do not solve your issue visit the Advanced Troubleshooting Page<\/a>.<\/p>\n
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