US$ 89.99
3Pcs 1Channel AC 220V Optocoupler Module 220V Voltage Detect 220V Optocoupler Isolation Microcontroller TTL Level 3V-5V June_2023_update Step 3: Install hinge stop June_2023_update
Description
3Pcs 1Channel AC 220V Optocoupler Module 220V Voltage Detect 220V Optocoupler Isolation Microcontroller TTL Level 3V 5V June_2023_update Step 3: Install hinge stop June_2023_update Step 3: Install hinge stop The terminal with knurled nut is used to fix the wire to the knife switch When there is no 220V input the LED light does not light up
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