Light-Operated Switch Kit DIY Kit With 5V Relay LM393 Electronic Funny DIY New

It is DIY kit. User need to weld it. 　　 1-2: Relay is allowed to work. 　　 2-3: Relay is not allowed to work. Trigger mode and output mode. Set trigger mode by JMP1 Set output mode by JMP2 Am 24.12.20 hat der Verkäufer die folgenden Angaben hinzugefügt.

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