Grove Adapters

Grove Shield for Feather

Buy

• https://www.seeedstudio.com/Grove-Shield-for-Particle-Mesh-p-4080.html (~3$)
• https://www.seeedstudio.com/Grove-Starter-Kit-for-Particle-Mesh-p-3038.html (Kit ~29$)
• https://store.particle.io/products/grove-starter-kit?variant=13981942612037 (Kit ~35$)

Code

Arduino

• See sensors & actuators

Pinout

Note: to make the ESP8266 work with this adapter, use this fix and this fix.

• Layout via this forum post or as a ZIP from Seeed.

Mapping

Grove	ESP8266	M4	nRF52840
A0	A0 (ADC)	A0	A0
A1	NC*	A1	A1
A2	NC	A2	A2
A3	NC	A3	A3
A4	NC	A4	A4
A5	NC	A5	A5
D2	2	5	5
D3	16	6	6
D4	0	9	9
D5	15	10	10
D6**	5	21	23
D7**	4	22	22
I2C_1 SCL	5 (SCL)	21 (SCL)	23 (SCL)
I2C_1 SDA	4 (SDA)	22 (SDA)	22 (SDA)
I2C_2 SCL	5 (SCL)	21 (SCL)	23 (SCL)
I2C_2 SDA	4 (SDA)	22 (SDA)	22 (SDA)
UART TX	TX	1 (TX)	1 (TX)
UART RX	RX	0 (RX)	0 (RX)

^*) NC = Not Connected

^**) Only if I2C not used

Resources

• https://docs.particle.io/datasheets/accessories/mesh-accessories/#grove-shield

Grove Base Hat for Raspberry Pi

Buy

• https://www.seeedstudio.com/Grove-Base-Hat-for-Raspberry-Pi-Zero-p-3187.html (~9$)

Code

Python on Raspberry Pi

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

Pinout

Mapping

Grove	Raspberry Pi
A0	A0
A1	A1
A2	A2
A3	A3
A4	A4
A5	A5
D5	GPIO/BCM pin 5
D6	GPIO/BCM pin 6
D16	GPIO/BCM pin 16
D17	GPIO/BCM pin 17
PWM 12	GPIO/BCM pin 12 (PWM0)
PWM 13	GPIO/BCM pin 13 (PWM1)
I2C SDA	SDA
I2C SCL	SCL
UART TX	TX
UART RX	RX

*) available via I2C

Resources

• http://wiki.seeedstudio.com/Grove_Base_Hat_for_Raspberry_Pi_Zero/

Grove Jumper Wires

Buy

• https://www.seeedstudio.com/Grove-4-pin-Female-Jumper-to-Grove-4-pin-Conversion-Cable-5-PCs-per-PAc-p-1020.html (~4$)
• https://www.seeedstudio.com/Grove-4-pin-Male-Jumper-to-Grove-4-pin-Conversion-Cable-5-PCs-per-Pac-p-1565.html (~3$)

Pinout

Color	Signal
Black	GND
Red	3.3V
White	Data*
Yellow	Data*

*) Digital, analog or protocol specific signal, depending on the Grove or breakout module.

Use

• Connect breadboard modules to a microcontroller via Grove adapter
• Connect Grove modules to a microcontroller without Grove adapter hardware
• Connect Grove modules to a Grove Shield for Feather with no free Grove ports remaining