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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@PeterD
The board will be 1.8 by 1 meter (approximately).
And I know it will be heavy, but is will be mounted on a wall, so that's not a problem.
Maybe I will glue pieces of MDF on each other were I need to mill the pockets. That will save weight.
And I can make use of an industrial CNC, Milling time will be 1 hour more or less, so that's a problem as well :).
I tried to put my "prototype" outside, and 7 leds/segment (WS2811) is enough. But maybe not enough with white light in combination of a diffuser. Because the not burning segments are white as well.
Later this week I'll build 2 digit version, with a black background and a diffuser just to test.
As power supply's, I have 5V 40A power supply. That's sufficient for 300 WS2811 leds. And I'll inject power each 50 leds.
Version 2 will be based on 64x64 led panels.
https://nl.aliexpress.com/item/32931309452.html?spm=a2g0o.productlist.0.0.4be73c0fh05qsi&algo_pvid=98a80eb6-ebfc-4f90-82d6-b5f34ebb7fb0&algo_expid=98a80eb6-ebfc-4f90-82d6-b5f34ebb7fb0-3&btsid=f195f5eb-580a-4e7e-ae7c-888d96518889&ws_ab_test=searchweb0_0,searchweb201602_10,searchweb201603_52
But I don't have experience whit this. It should be nice if I can control this by HDMI. But maybe I need a kind of converter to control 50 of these panels by HDMI.
For the moment I plan to complete the "low cost" model first ;)