12V Relay Module With optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel
ab 1,88 €
1 CH Optocoupler(Blue). onboard EL817 optocoupler, strong anti-jamming capability with optical isolation. 2 CH Optocoupler(Blue). onboard EL817 optocoupler with optical isolation anti-jamming capability.
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