Optokoppler Tester Kit 555 Anwendung Platine Praxis Schweißen DIY7774
6,39 €
Using this circuit, insert the optocoupler into the stand, and after powering on, the LED flashes to indicate that the optocoupler is in good condition. 1 Optocoupler Tester DIY Kit(This is a DIY kit, not a finished product).
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