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Velleman K8056 electrical relay Green (1 offer) This relay card can be used in several ways : stand alone card, addressed by switches or open collector outputs or remote controlled through RS232. Since the card can be addressed using RS232 comma... |
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from £ 36.58*
per piece |
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Velleman MK135 electrical relay Black, Red (1 offer) Helps making difficult YES or NO decisions. Ideal for the indecisive. Simply push the button to start flashing of YES/NO LEDs. Flashing speed gradually decreases and finally one LED remains lit. - ... |
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from £ 7.52*
per piece |
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Velleman VM138 electrical relay (1 offer) This module allows you to control a relay by means of the well-known DMX512 protocol. This is used to control dimmers, scanners, moving-head spots and other lighting devices with a simple wiring. I... |
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from £ 31.578*
per piece |
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Velleman VM8090 electrical relay Black, Green (2 offers) Eight relay channels controlled by your computer! Use your computer USB port to connect to the outside world Connect up to 16A to each of the high power relays. Comes complete with VDR noise suppre... |
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from £ 66.64*
per piece |
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