This is a Li-Poly voltage sensor that connects to Frsky receivers or to flight controllers that support one of the Frsky telemetry protocols. This repository includes the Arduino source code and the KiCad PCB.
You need Arduino >= 1.6.
WARNING: DO NOT POWER THE BOARD FROM BOTH LIPO AND RECEIVER AS IT MIGHT CATCH FIRE
You need KiCad >= 4.0 to edit the PCB.
You can order the PCB from OSH Park:
