3.4.2 Qwiic®

The AVR-IoT Cellular Mini board features a 4-pin Qwiic® connector for expanding the development board using the SparkFun Qwiic® system. The Qwiic® system allows daisy-chaining of modules to connect two or more modules.

Figure 3-6. Qwiic® Connector
Table 3-15. Qwiic® Connector Pinout
Qwiic® PinAVR128DB48 PinFunctionShared Functionality
1 - GND—GND—
2 - VCC—VCC_P3V3—
3 - SDAPF2TWI1 SDAMCP9808, Feather connector
4 - SCLPF3TWI1 SCL