Demo of e-paper display on OHS18 badge using Arduino libraries
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Demo of e-paper display on Open Hardware Summit badge using Arduino libraries


  • Install the latest Arduino IDE and add the ESP32 board options to the Board Manager:
  • Make sure the board is set to "ESP32 dev module"
  • Make sure the serial port is the serial adapter.
  • Wire up GND, RX, TX to the FTDI.
  • Connect the IO0 pin to GND.
  • Insert Batteries
  • The module should power up and go into programming mode (IO0 low on powerup or reset)
  • Click program in the Arduino IDE.
  • The board should program.
  • Un-ground IO0 and remove and reinsert the batteries.
  • If this does not work then swap RX and TX and repeat the process