LED Matix Pixel Clock
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LED Pixel Matrix Display for a standard 8x32 Pixel Matrix driven by a ESP32.
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- Creative Commons — Attribution — Noncommercial
My requirements:
- No visible Screws
- No glueing
- Diffusor should separate the pixels very well, an should have very thin walls
- Diffusor shoud have a light color on the top to be inconspicuous
- Face of the front should be nice looking
Especially the frame needs needs some support.
You will need a printer with 240mm in X or Y direction for the middle part of the frame. If you have a smaller printer you have to split the part in the middle and glue it together.
I used a PET foil with a thickness of 0,4mm which I had used for bult faceshields during the corona pandamic. And for the diffusion layer I used 4 sheets of 0,075 thick diffusor films from amazon.
Diffusionsgel-Filter, 6 Packungen, 40 x 50 cm, Beleuchtungs-Diffusor-Film, Rolle, Fotografie, Video für LED-Blitzlicht, Stroboskoplicht: Amazon.de: Elektronik & Foto
As screws I used M4 (8x6mm and 4x16mm) together with the cheap threaded inserts with 5,4mm height. I inserted them with my soldering iron and the tool from CNC-Kitchen: https://www.printables.com/de/model/167924-case-for-cnc-kitchen-threaded-inserts-soldering-ti
It's a huge difference to use these tools compared with the standard soldering iron tips.
I use the display together with home assistant and the project: https://github.com/lubeda/EspHoMaTriXv2