4 Channel 5V Relay Shield Module Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

4 Channel 5V Relay Shield Module Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
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sku: 1005004451839312
$1.35
Shipping from: China
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