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Ingress colorful character ws2812 light board

 
Overview

I touched an ingress special light board for colorful characters. The arduino nano drives a total of 145 ws2812b-2020led lamp beads. The length of the board is a little bit short of 10 cm. I can’t control the amount of tin with a needle tube. About a quarter of it is connected to the tin. Use a multimeter. The diode level is measured one by one from the DI pin to the ground. The normal value is 500 to 600. More than 300 is connected to the power supply. It is very labor-intensive to repair. The steel mesh should not be saved; the program is the entry-level FastLed lighting, drawing sentences, ttl control and so on. Yes, because it hasn’t been done yet, the order of the strokes is random, friends are welcome to correct me; after welding and lighting, I feel there are some defects, the surrounding and both sides of the small box appear sparse, and it should be made completely symmetrical, and It can be used as a clock; no need to solder the capacitor.
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Update:2024-11-22 14:16:22

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