4-Channel Relay Module DC 5V With Optocoupler For Arduino ARM AVR DSP HD23L TJ
3,22 €
1X 5V Four 4 Channel Relay Module Shield With optocoupler For PIC AVR DSP ARM Arduino. 5V Relay Module 4-Channel. This is a 5V 4-Channel Relay interface board. 5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current.
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