The board has the dimmer circuit at the top. bottom left: ICSP header for original MCU. Original MCU didn’t fit needs so the header was later removed. bottom middle: space for the original MCU, wires were later soldered to an Ardunio. Bottom right wires to Bluetooth.

The board has the dimmer circuit at the top. bottom left: ICSP header for original MCU. Original MCU didn’t fit needs so the header was later removed. bottom middle: space for the original MCU, wires were later soldered to an Ardunio. Bottom right wires to Bluetooth.