UPC1237 Speaker Protection Board for Relay DIY Passive Switch on and Off Delay Anti-Impact Module
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Buy UPC1237 Speaker Protection Board for Relay DIY Passive Switch on and Off Delay Anti-Impact Module
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UPC1237 Speaker Protection Board for Relay DIY Passive Switch on and Off Delay Anti-Impact Module | £10.19 | ||||
1. -up delay DC protection, anti-shock when power off; 2. 7812 is used for voltage stabilization, and the power supply range allows AC12V to AC24V; 3.
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