Product · United States

8 Channel UART Serial Relay Module CH340 USB TTL RS232 AT Command Delay Self-locking Interlock Home Automation

Lowest price: $19.00 · 1 store · price range $20.66 … $20.66 · 8% off the list price

Price history: 2 daily prices tracked since 2026-11-13; lowest $19.00, highest $19.00.

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

8 Channel UART Serial Relay Module CH340 USB TTL RS232 AT Command Delay Self-locking Interlock Home Automation

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Store 1 (US)$19.00In stockGo to store

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