• Hi/Low Alarm

    The Hi-Low Alarm Kit lets you build a device that triggers an alarm upon detecting if an input voltage has become too small or too large. RoHS compliant, REACH compliant,…

    £4.99
  • Light Alarm

    The Light Alarm kit is a DIY electronics kit that lets you build an alarm that triggers upon detecting light. RoHS compliant, REACH compliant, and perfect for beginners!

    £4.99
  • Sound Alarm

    The Sound Alarm kit is a DIY electronics kit that lets you build an alarm that triggers upon detecting sound. RoHS compliant, REACH compliant, and perfect for beginners!

    £4.99