DC 5V 4 Channel Relay Module with Optocoupler For Arduino ARM MCU AVR DSP NEW
3,25 €
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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