PPB1080-dat

Board map

  • green box
    • 18650 battery on the backside of the baord
    • 2x AA
    • 1x AAA
  • purple box
    • serial connector jumper for 2x AA
    • LED plug-in port (serial connected 1K resistor)
  • red boxes and red arrows = active battery selector
    • AG3 x1 x2 x3
    • AG13 x1 x2 x3
    • 18650 battery, 2x AA, 1x AAA
    • CR2032, CR1220

demo

ref