5V 4 Channel Relay
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5v 4-channel relay interface board. It can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on.
1-Channel Relay interface board,
Each one needs 15-20mA Driver Current
Equiped with high-current relay : DC30V 10A AC250V 10A
Standard interface that can be controlled directly by microcontroller