We all are pretty familiar with the 78XX voltage regulator ICs or the adjustable types such as LM317, LM338 etc. Though these regulators are outstanding with their specified functioning and reliability, these regulators have one big disadvantage…. they won’t control anything above 35V. Circuit Operation The circuit presented in the following article introduces a DC […]
Automobile Electronics
Rain Triggered Instant Start Windshield Wiper Timer Circuit
The following circuit was requested by one of the readers of this blog Mr. Keval. The actual request was for a rain triggered windshield wiper circuit, but the idea here has been further enhanced with a quick start feature for better efficiency. How Conventional Wiper Systems Work Normally, electronic wiper control circuit involve a bistable for switching the […]
Make this Voltage Stabilizer Circuit for Your Car
In this post I have explained about a car voltage stabilizer circuit which could be made and installed in all cars for ensuring a perfectly controlled and stabilized supply for the associated sensitive electronics and gadgets. Understanding Car Electrical A car electrical is probably more volatile than our house electrical, simply because it is generated […]
Cell Phone Call Alert Security Circuit
This circuit will give call back alerts in the form of blank calls on your cell phone whenever it senses a break in or intrusion inside the particular restricted area where it has been installed for the intended security monitoring. Introduction The cell phone call alert security system circuit which needs to be installed incorporates […]
Simple Electronic Fuse Circuit
In this article we investigate a electronic circuit design which works like a conventional fuse for safeguarding any electrical system from overloads, over-current, short circuit and related fire hazards. However, the main advantage of this electronic fuse is that it does not require frequent replacements like mechanical fuses, instead it can be reset with a […]
Simple Car Shock Alarm Circuit
A simple car shock alarm circuit I have I have explained in this article can eb effectively used to alarm the owner each time the car comes across some kind of vibrational intrusion ether from a potential theft of simply a damaging hit from an external source. Introduction Today most of the cars are equipped […]