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DIY Smart Door Lock for 10 Yuan V1.0

 
Overview
The video is here!! >>> [Video Link] <<<
Required materials: Slow N20 motor (approx. 100 rpm); door lock printout; copper pillar nuts; lithium battery.
Some capacitors and resistors in the schematic are not labeled with their values, as the system is not complex; please select appropriate sizes for your actual use.
参考设计图片
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Update:2026-03-27 11:22:52

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