#v relay channel
UPC 675663224393
Youngneer 5v Relay Board Relay Module 1 Channel Opto-Isolated High or Low Level Trigger
Best Price: $11.99
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UPC 675663224225
Youngneer 5v Relay Module 2 Channel for ARM/PIC/AVR/MCU Opto-Isolated Relay Board High or Low Level Trigger
Best Price: $9.99
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