Leiterplatten-Testmodul mit erweiterten Funktionen für Optokopplungstests
ab 6,58 €
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. 1: The interface of the 3rd generation is USB interface, no indicator light when connected to power, indicator light when testing, need to be plugged in to use.
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