Grove Actuators

4-Digit Display (TM1637)

Buy

• https://www.seeedstudio.com/Grove-4-Digit-Display-p-1198.html (~6$)

Pinout

Connect to Grove D<XY> (not I2C)

Color	Signal
Black	GND
Red	VCC (3.3V)
White	DIO (Digital)
Yellow	CLK (Digital)

Code

Arduino

ESP8266

• Library: Sketch > Include Library > Manage Libraries... > TM1637 by Avishay Orpaz > Install
• Example: File > Examples > TM1637 > TM1637Test

nRF52840

• Library: Sketch > Include Library > Manage Libraries... > Grove 4-Digit Display > Install
• Example: File > Examples > Grove 4-Digit Display > NumberFlow

Python on Raspberry Pi

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

Resources

• http://wiki.seeedstudio.com/Grove-4-Digit_Display/
• https://github.com/Seeed-Studio/Grove_4Digital_Display/ (.zip)
• https://github.com/avishorp/TM1637 (.zip)
• https://en.wikipedia.org/wiki/Seven-segment_display_character_representations

Buzzer

Buy

• https://www.seeedstudio.com/Grove-Buzzer-p-768.html (~2$)

Pinout

Connect to Grove D<XY>

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

Code

Arduino

• https://www.arduino.cc/reference/en/language/functions/digital-io/digitalwrite/ (built-in)
• Example: File > Examples > Basics > Blink (replace LED_BUILTIN with GPIO number)

Python on Raspberry Pi

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

Resources

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

Chainable RGB LED

Buy

• https://www.seeedstudio.com/Grove-Chainable-RGB-Led-V2-0-p-2903.html (~6$)

Pinout

Connect to Grove D<XY>

Color	Signal (In)	Signal (Out)
Black	GND	GND
Red	VCC (3.3V)	VCC (3.3V)
White	DIN (Data In, Digital)	DOUT (Data Out, Digital)
Yellow	CIN (Clock In, Digital)	COUT (Clock Out, Digital)

Code

Arduino

• Library: Sketch > Include Library > Manage Libraries... > Grove Chainable RGB LED > Install
• Example: File > Examples > Chainable RGB LED > ...

Python on Raspberry Pi

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

Resources

• http://wiki.seeedstudio.com/Grove-Chainable_RGB_LED/
• https://github.com/pjpmarques/ChainableLED (.zip)

LED

Buy

• https://www.seeedstudio.com/Grove-Red-LED-p-1142.html (~2$)

Pinout

Connect to Grove D<XY>

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

Code

Arduino

• https://www.arduino.cc/reference/en/language/functions/digital-io/digitalwrite/ (built-in)
• Example: File > Examples > Basics > Blink (replace LED_BUILTIN with GPIO number)

Python on Raspberry Pi

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

Resources

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