Articles, Battery, Components, Design, Electronics, Electronics Theory, Hobby, Hobby Circuits, Home Circuits, How components work, Power Supply, Techniques, Utility Gadgets

Power Failure Alarm. Home Utility Circuit 29

A2This circuit generates an alarm when the Mains power fails. It can be used as a Lift Alert so that the technician can immediately attend the stopped Lift. It is also helpful to know the power failure in labs where many instruments are switched on continuously.
Continue reading “Power Failure Alarm. Home Utility Circuit 29”