Hi guys, complete noob here regarding arduino, I've been getting into this world since last monday, and trying to learn by doing small things. Please excuse my errors and lack of knowledge. So I have 2 WS2812b LED Matrix connected to an arduino UNO R3 and a HC-05 BT module used to send data to the …

2 ws2812b LED Matrix + arduino uno + HT-05

david_2018 November 23, 2021, 5:43pm 13

The first code uses less ram.

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