Update README.md

formatting hardware requirements

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2025-10-01 21:20:21 -04:00
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<details>
<summary>Hardware Requirements</summary>
## Hardware Requirements
- Raspberry Pi 3b or 4 (NOT RPI5!) : Amazon Affiliate Link: Raspberry Pi 4 4GB (https://amzn.to/4dJixuX)
- RGB Matrix Bonnet / HAT
- Adafruit RGB Matrix Bonnet/HAT that only supports one "chain" of horizontally connected displays : https://www.adafruit.com/product/3211
- Adafruit Triple LED Matrix Bonnet that supports up to 3 vertical "chains" of horizontally connected strings of displays : https://www.adafruit.com/product/6358 (use "regular-pi1" as hardware mapping)
- Electrodragon RGB HAT that supports up to 3 vertical "chains" of horizonally connected strings of displays : https://www.electrodragon.com/product/rgb-matrix-panel-drive-board-raspberry-pi/
- Seengreat Matrix adapter board for single chain LED Matrix: https://amzn.to/3KsnT3j (use "regular" as hardware mapping)
- LED Matrix panels (2x in a chain is recommended)
- Adafruit (64x32) (Designed for 128x32 but has a lot of dynamic scaling elements that could work on a variety of displays, pixel pitch is user preference) : https://www.adafruit.com/product/2278
- Waveshare (92x46) (higher resolution, requires soldering of the "E" Addressable pad on the [Adafruit RGB Bonnet](https://www.adafruit.com/product/3211) to "8" OR to toggle the dip switch on the Adafruit Triple LED Matrix Bonnet (No Soldering!) - Amazon Affiliate Link - ChuckBuilds gets a small commission if your purchase : https://amzn.to/4pQdezE
- 5V 4A DC Power Supply for Adafruit RGB HAT : https://www.adafruit.com/product/1466
### Raspberry Pi
- **Raspberry Pi 3B or 4 (NOT RPi 5!)**
[Amazon Affiliate Link Raspberry Pi 4 4GB](https://amzn.to/4dJixuX)
### RGB Matrix Bonnet / HAT
- [Adafruit RGB Matrix Bonnet/HAT](https://www.adafruit.com/product/3211) supports one “chain” of horizontally connected displays
- [Adafruit Triple LED Matrix Bonnet](https://www.adafruit.com/product/6358) supports up to 3 vertical “chains” of horizontally connected displays *(use `regular-pi1` as hardware mapping)*
- [Electrodragon RGB HAT](https://www.electrodragon.com/product/rgb-matrix-panel-drive-board-raspberry-pi/) supports up to 3 vertical “chains”
- [Seengreat Matrix Adapter Board](https://amzn.to/3KsnT3j) single-chain LED Matrix *(use `regular` as hardware mapping)*
### LED Matrix Panels
(2x in a chain recommended)
- [Adafruit 64×32](https://www.adafruit.com/product/2278) designed for 128×32 but works with dynamic scaling on many displays (pixel pitch is user preference)
- [Waveshare 64×32](https://amzn.to/3Kw55jK) - Does not require E addressable pad
- [Waveshare 92×46](https://amzn.to/4pQdezE) higher resolution, requires soldering the **E addressable pad** on the [Adafruit RGB Bonnet](https://www.adafruit.com/product/3211) to “8” **OR** toggling the DIP switch on the Adafruit Triple LED Matrix Bonnet *(no soldering required!)*
> Amazon Affiliate Link ChuckBuilds receives a small commission on purchases
### Power Supply
- [5V 4A DC Pow
## Optional but recommended mod for Adafruit RGB Matrix Bonnet
- By soldering a jumper between pins 4 and 18, you can run a specialized command for polling the matrix display. This provides better brightness, less flicker, and better color.