Optocoupler Tester Optocoupler Test Detection Tool Online Test Module5445
7,51 €
If the indicator light is always on or off,remove the optocoupler from the circuit board and insert it into the optocoupler seat of the breadboard to reconfirm the test results. Confirm the optocoupler PIN1 (the pin with a small dot on the test board also has a corresponding pin).
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