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12V 1/2/4/8/16 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino

1 channel 12V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

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16-Channel Relay Shield Module wiht optocoupler LM2576 Power supply 12V Arduino

12V Relay Module With Optocoupler for PIC AVR DSP ARM Arduino 1/2/4/8/16 Channel