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4 signal relay board, 4 wide voltage input, Multi-protocol card with 2 part vertical connectors.Gene..
£107.81
4 signal relay board, 4 wide voltage inputs. With single part connectors.General purpose relay..
£97.49
4 signal relay board, 4 wide voltage inputs. With two part connectors vertical.General purpose..
£102.41
This low cost, general
purpose, USB powered board has four opto-isolated relays and four general ..
£52.00
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