This only uses the STC15F104 microcontroller without any peripheral components. It receives the NEC remote control code to control the W2812B night light, and is transplanted from the original source network. The circuit of W2812B can work without soldering small capacitors. Reserve a relay control pin and P3.5.
Related videos: https://www.bilibili.com/video/BV1EL411c7ud/
Related videos: https://www.bilibili.com/video/BV1DZ4y1f7qR
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