cgerchenhp/neo32x8_picow

A awtrix-like matrix LED display with Raspberry picow and 2812b LEDs

Neo32x8 Pico W

A DIY awtrix-like matrix LED display with Raspberry picow and 2812b LEDs

Introduction

This is a DIY LED matrix display based on Raspberry Pi Pico W, using 2812b LED beads, 32x8 matrix, can display time, github repo stars, support multiple display modes.

Hardware:

• Raspberry Pi Pico W
• 2812b LED strip (32x8)
• generic 5V power supply
• grid board and a DIY caseb (or 3D printed)
• buttons and a rotary encoder

Software:

• CircuitPython v8.2.6
• A self-hosted server(optional)
  • flask or fastapi
• code in this repo

GPIO Pinout

LED matrix 2812b

• GP28

Rotatory encoder

• A: GP16
• B: GP17
• Button: GP18

Buttons

• GP19,
• GP20
• GP21

Status LED

• GP22

How to use

1. Install CircuitPython on Raspberry Pi Pico W
2. Wire up the hardware
3. Copy all files in picow folder to the root of the Pico W
4. Modify the settings.toml file to your own settings(wifi, server address, etc)
5. Modify the code to your own needs

Reference

• Pico W: https://www.raspberrypi.com/products/raspberry-pi-pico/
• Circuit Python: https://circuitpython.org/board/raspberry_pi_pico_w/
• Some useful libraries: https://github.com/adafruit/Adafruit_CircuitPython_Bundle
• IDE: https://thonny.org/