Product · United States

Arduino UNO R3 Expansion Board Modbus Relay Module RS485 4CH Analog Input Temp Humidity Collection Din Rail DC7-30V

Lowest price: $21.97 · 1 store · price range $24.16 … $24.16 · 9% off the list price

Price history: 2 daily prices tracked since 2026-11-13; lowest $21.97, highest $21.97.

Price last confirmed by the store feed on 2026-11-12.

Prices across stores

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