2Pc/1pc 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 DSP ARM PIC AVR

2Pc/1pc 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 DSP ARM PIC AVR
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sku: 1005012609594087
$1.18
Shipping from: China