Grove Sensors

Button

Buy

• https://www.seeedstudio.com/Grove-Button-p-766.html (~2$)

Pinout

Connect to Grove D<XY>

Color	Signal
Black	GND
Red	VCC (3.3V)
White	NC
Yellow	SIG (Digital)

Arduino

• https://www.arduino.cc/reference/en/language/functions/digital-io/digitalread/ (built-in)
• Example: File > Examples > Basics > DigitalReadSerial

Python on Raspberry Pi

• Library: https://github.com/Seeed-Studio/grove.py

Resources

• http://wiki.seeedstudio.com/Grove-Button/

Light Sensor v1.2

Buy

• https://www.seeedstudio.com/Grove-Light-Sensor-v1-2-p-2727.html (~3$)

Pinout

Connect to Grove A<XY>

Color	Signal
Black	GND
Red	VCC (3.3V)
White	NC
Yellow	SIG (Analog)

Code

Arduino

• https://www.arduino.cc/reference/en/language/functions/analog-io/analogread/ (built-in)
• Example: File > Examples > AnalogReadSerial

Python on Raspberry Pi

• Library: https://github.com/Seeed-Studio/grove.py

Resources

• http://wiki.seeedstudio.com/Grove-Light_Sensor/

Rotary Angle Sensor

Buy

• https://www.seeedstudio.com/Grove-Rotary-Angle-Sensor-p-770.html (~3$)

Pinout

Connect to Grove A<XY>

Color	Signal
Black	GND
Red	VCC (3.3V)
White	NC
Yellow	SIG (Analog)

Code

Arduino

• https://www.arduino.cc/reference/en/language/functions/analog-io/analogread/ (built-in)
• Example: File > Examples > AnalogReadSerial

Python on Raspberry Pi

• Library: https://github.com/Seeed-Studio/grove.py

Resources

• http://wiki.seeedstudio.com/Grove-Rotary_Angle_Sensor/

Temperature & Humidity Sensor (DHT11)

Buy

• https://www.seeedstudio.com/Grove-Temperature-Humidity-Sensor-DHT1-p-745.html (~6$)

Pinout

Connect to Grove D<XY>

Color	Signal
Black	GND
Red	VCC (3.3V)
White	NC
Yellow	SIG (Digital)

Code

Arduino

ESP8266

• Library: Sketch > Include Library > Manage Libraries... > DHTesp > Install
• Example: File > Examples > DHT sensor library for ESPx > DHT_ESP8266
  • In the example code, make sure to use DHT11

    //dht.setup(..., DHTesp::DHT22);
    dht.setup(..., DHTesp::DHT11);

nRF52840

• Library: Sketch > Include Library > Manage Libraries... > Grove DHT11 > Install
• Example: File > Examples > Grove Temperature and Humidity Sensor > DHTtester
  • In the example code, make sure to use DHT11

    //#define DHTTYPE DHT22
    #define DHTTYPE DHT11

Python on Raspberry Pi

• Library: https://github.com/Seeed-Studio/grove.py

Resources

• http://wiki.seeedstudio.com/Grove-TemperatureAndHumidity_Sensor/
• https://github.com/Seeed-Studio/Grove_Temperature_And_Humidity_Sensor

Ultrasonic Ranger

Buy

• https://www.seeedstudio.com/Grove-Ultrasonic-Ranger-p-960.html (~4$)

Pinout

Connect to Grove D<XY>

Color	Signal
Black	GND
Red	VCC (3.3V)
White	NC
Yellow	SIG (Digital, PWM)

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Grove Ultrasonic Ranger > Install
• Example: File > Examples > Grove Ultrasonic Ranger > UltrasonicDisplayOnTerm

Python on Raspberry Pi

• Library: https://github.com/Seeed-Studio/grove.py

Resources

• http://wiki.seeedstudio.com/Grove-Ultrasonic_Ranger/
• https://github.com/Seeed-Studio/Grove_Ultrasonic_Ranger/ (.zip)