Product · United States

1PCS Slot Type IR Optocoupler Speed Sensor Module LM393 For Arduino Groove Coupler Sensor 3.3V-5V Connect Relay Buzzer Module

Lowest price: $0.59 · 1 store · price range $0.66 … $0.66 · 11% off the list price

Price history: 2 daily prices tracked since 2026-10-18; lowest $0.59, highest $0.59.

Price last confirmed by the store feed on 2026-10-26.

1PCS Slot Type IR Optocoupler Speed Sensor Module LM393 For Arduino Groove Coupler Sensor 3.3V-5V Connect Relay Buzzer Module

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