HiLetgo Relay Shield 5V 4 Channel Arduino UNO R3 Relay Shield Arduino Shield 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current Equipped with high-current relay, AC125V 10A ; DC24V 10A Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LED's for Relay output status
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