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  • Battery Saver Circuit
    A small electronic switch that connects a battery to the equipment for a certain amount of time when a push-button is momentarily pressed. A...
  • ANTI-THEFT ALARM AND HORN
    Here is a simple ANTI-THEFT ALARM AND HORN. It generates a loud alarm when there is an attempt of theft. When the intruder opens the door,...
  • (LED) 230 V Flasher Circuit diagram
    This circuit operates with 230v.you can use this circuit to decorate your parties.I think this will be a wonderful circuit to you all.This...
  • Solar Hot Water Panel Differential Pump Controller
    This circuit optimises the circulation of heated water from solar hot water panels to a storage cylinder. It achieves this by controlli...
  • A Doorbell for the Deaf
    This circuit provides a delayed visual indication when a door bell switch is pressed. In addition, a DPDT switch can be moved from within...