Bluetooth Board for... whatever !
My 1st attempt at a "Universal" board.
34mm long x 17mm wide.  About 12mm thick with all wires.
Supports Closed Bolt & Open Bolt markers.
No Buttons.  No Switches.
Board is powered ON when battery is connected. (No Power Switch)
Includes 1 battery cable.
Includes wiring harness with 16in wire leads.