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Offline voice small light small fan

 
Overview

Based on the VC-02 offline voice chip of Ankexin Company, the relay can be controlled to control the fan switch, and the fan can also be changed to other electrical appliances, which has more room for expansion.
Schematic diagram
PCB
physical diagram
When using the relay to control the fan, it is necessary to ground it to the negative pole of the fan.
 
参考设计图片
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Update:2025-06-19 22:30:03

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