hardware

https://www.electrodragon.com/product/rgb-matrix-panel-drive-board-raspberry-pi/

Board Map

Output Control Chains

  • TOP - P0
  • Middle - P1
  • Bottom - P3

JP3 Power Supply Pins

  • 3.3V
  • GND
  • 5V

Switch SW1

  • Left to I2C RTC
  • right to use on board P3 chain output

GND - RX

  • ROW_E to GND
  • or RX debug output

JP1 / JP2 / JP3

  • ROW_E buffer select to
    • pin 4
    • or pin 8
    • or gnd

Board Functions

software

  • code: https://github.com/hzeller/rpi-rgb-led-matrix/tree/master/adapter

Product Series

ref