Relay Control Breakout Board

KitronikSKU: KIT5101
Sale price £10.80
incl. VAT
excl. VAT
Only 5 units left

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This breakout board allows a low power logic level device running at 5V to operate a relay. The relay can switch up to 16A 250VAC or 16A 30VDC. This lets your low power microprocessor control big, power-hungry devices!

To use the board you simply connect a constant 5V supply along with a signal connection. When the signal connection is taken high (over 2.1V) the relay and onboard LED indicator turn on. At this point, the relay which is normally open becomes a closed circuit.

Caution: This breakout board can be used with mains electricity, however we don't recommend it and should only be undertaken by suitably professionally qualified people. Stick to battery-powered devices, robots and similar!


  • High current output drive (16A)
  • LED indicates when the relay is operating


  • 1 x Relay Breakout Board


  • GND - Ground / zero volts
  • Vcc - 5V power input
  • SIG - The signal input, 2.1V turns the relay on, 0V turns it off
  • LOAD - The outputs of the relay, when the relay is on these pins are connected together


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