This is a dual channel 0-10V dimmer. It can be used to control LED drivers, fans, dampers and more.
NRF24L01 PA+LNA SMD module
ATSHA204A for signing
AT25DF512C for OTA updates
Two 0-10V outputs, 40mA max per output
Two 0-10V inputs (or digital input with external pull-up)
Two inputs for CT sensors
External 12V power supply required
Discovered that the silkscreen in rev 1.0 was incorrect. +12V and GND labels were swapped which caused some smoke during initial test. Next problem was a missing connection to the 3.3V regulator which required a blue wire fix. Both these issues have been fixed in rev 1.1.
After the initial problems I have managed to verify: