Pico-Display-MQTT

Displays data from MQTT on the Waveshare 2.9" E-Paper Display (written in CircuitPython)

Required Parts

• Raspberry Pi Pico
• Adafruit Airlift
• Waveshare Pico-CapTouch-ePaper-2.9

Building

• Flash CircuitPython Firmware if not installed yet on the Pico
• Add the required libraries to the Pico in the lib folder:
  • Adafruit MiniMQTT
  • Adafruit NTP
  • Adafruit ESP32 SPI
  • Adafruit Framebuf
  • Adafruit Bus Device
• Create a secrets.py file which contains a dictionary secrets with the credentials for WiFi and the MQTT broker. You can copy the secrets.template.py from the repo.
• Check that the defined Pins match the Displays and the AirLift.

Licenses

The epd2in9.py and epdif.py are initially from this repository and have been modified to work with the Pico-CapTouch-ePaper-2.9 with the use of the sample waveshare code. As both of these dependencies use the MIT license this modified code also uses the MIT license (see LICENSE file and the Copyright notices in the epd2in9.py/epdif.py).