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A project log for D1 Mini Matrix Shield

A shield for the D1 Mini ESP8266 board with HT16K33 chip and 8x8 mini LED matrix.

dehipude Éhipu 04/07/2017 at 08:270 Comments

Despite all the problems, I'm persevering. Today the common-cathode bi-color matrices arrived, and I was able to try them with the HT16K33:

Of course, the pattern is pretty much random, because I still need to adjust the software for the pretty much random column and row assignment I made. But you can see the colors, and they are nice (the slight variations of color on the photo are due to the camera sensor interfering with the PWM).


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