2Pcs Module Counter Module Optocoupler Slot-Type Ic New fs
2,40 €
2Pcs Module Counter Module Slot-Type Optocoupler Ic New. use imported groove coupler sensor. 1 module slot unobstructed, receiver tube conduction module DO output low, shelter, DO output high. 2 module DO connected to the relay, composed of the limit switch functions can also be connected to the active buzzer module, composed of the alarm.
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