Electronics · United States

5V 12V 4 Channel Relay Board with Optocoupler Relay Expansion Board AVR 51 PIC 4 Way Relay Module for Arduino

Product no longer available. The stores we track no longer sell it; last price seen $5.72.

Price history: 4 daily prices tracked since 2026-10-18; lowest $5.70, highest $5.72.

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