User Manual

For Gemma, use jumper wire alligator clips to connect

the ground wire to GND, the power wire to VOUT, and

the signal wire to A2.

For Circuit Playground Express and Circuit Playground

Bluefruit, use jumper wire alligator clips to connect the

ground wire to GND, the power wire to VOUT, and the

signal wire to A2.

For boards like Feather M0 Express, ItsyBitsy M0

Express and Metro M0 Express, connect the ground

wire to any GND, the power wire to USB or 5V, and the

signal wire to A2.