This is documentation for an energy monitoring device built around the nRF52832 system-on-chip from Nordic. It includes a 2.4 GHz BLE-enabled radio transceiver, a Cortex M4F microcontroller, and a host of hardware peripherals.
<ahref='bc832-watt'>bc832-watt/</a> includes source files for a PCB built around the BC-832 module (containing the nRF52) from Fanstel.