1/6 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC ARM AVRC

5V 1-CH Relay with Optocoupler. 2.5V 6-CH Relay with Optocoupler. 1 x Optocoupler Driver Relay Module. OLED LED&RGB. 5 V 6 Relay Module Channel for Arduino PIC ARM DSP AVR Raspberry Pi. Nano Sheild. 1PCS X 5V 6 Channels Relay Module.

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