Product · United States

Raspberry Pi 4 Model B 3B Plus relay expansion board 8 channel relay module with isolation anti interference

Product no longer available. The stores we track no longer sell it; last price seen $21.96.

Price history: 2 daily prices tracked since 2026-10-19; lowest $21.96, highest $21.96.

Raspberry Pi 4 Model B 3B Plus relay expansion board 8 channel relay module with isolation anti interference

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