Digi XBee Grove Manual page 19

The following table shows the pinout of the Grove I2C connector:
Grove I2C Signal
1 DIO1/I2C_SCL
2 DIO11/I2C_SDA
3 3.3V
4 GND
Grove connectors
The XBee Grove Development Board provides six Grove connectors connected to the XBee
pins. Two connectors are connected to digital I/O pins, two connectors are connected to two
digital/analog I/O pins, one connector is connected to the RSSI/PWM0 pin, and another is
connected to the I2C bus of the microcontroller placed in the socket (programmable XBee.)
You can find a large list of Grove sensors and actuators that can be plugged in to these
connectors here.
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