12V 1/2/4/8/16-Channel Relay Module With optocoupler For PIC AVR DSP ARM Board
ab 1,59 €
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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