| Styles | 6th |
|---|---|
| Type | Optocoupler Tester |
| Brand | Unbranded |
Check the listing for details. Optocoupler Detection Tool with Flashlight Function for Clear Visibility. Condition: New. Listed at 14.63 USD. Connect the optocoupler test board to the USB power cord, and test the optocoupler with the test board probe point. If the indicator light is always on or off, remove the optocoupler from the circuit board, insert it into the optocoupler seat of the breadboard, and reconfirm the test results.
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