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Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY3207
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Optocoupler Tester Kit 555 Application Circuit Board Practice Welding DIY3207

USD 11.92

Using this circuit, insert the optocoupler into the test 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).

Condition: New · Seller: fashionstyle6 · 99.3% positive · 114981 ratings

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