Modulo relè interruttore timer ritardo automazione led 12V/5V 2 canali per Arduino

(Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). 1PCS 5V 2 Channel Relay Module For PIC AVR DSP ARM Arduino. This is a 2 Channel 5V Relay interface board. 5V 2 Channel Relay With Optocoupler.

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