Here we will study the design of a simple automatic mains AC voltage stabilizer which can be applied for safeguarding appliances like TV and refrigerators from fluctuating voltages. A voltage stabilizer is a device which is designed to sense inappropriate voltage fluctuations in AC mains supply inputs, and correct them to produce a stabilized voltage for the […]
Automatic
Automatic Vehicle Headlight Dipper/Dimmer Circuit
The circuit described here can be built and used in your vehicle for an automatic dipping and dimming operation of the vehicle headlamps, in response to the intense lights coming from an opposite vehicle headlamps. What’s a Dimmer/Dipper in Automobiles An automobile headlight dimmer/dipper is a circuit which automatically switches the headlight intensities of vehicles arriving from […]
Automatic Battery Full Cut-Off Latching Circuit with Trickle Charging
In this post I will explain one useful SCR relay battery overcharge cut off circuit, which also has automatic latching and small trickle charging feature, so now when battery becomes fully charged then charger disconnects automatically, but still a tiny current keeps going into battery slowly. Main Features Main interesting thing here is the SCR […]
7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article I will elucidate 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically switching a lamp ON during night time and OFF during day time. What is an Automatic Street Light System An automatic street light system is […]
10 Automatic Emergency Light Circuit Diagrams Explain
In this article I have explained 10 simple automatic emergency light circuits using high bright LEDs. This circuit can be used during power failures and outdoors where any other source of power might be unavailable. What’s an Emergency Lamp An emergency light is a circuit which automatically switches ON a battery operated lamp as soon […]
Transformerless Automatic Night Lamp Circuit
This transformerless solid-state automatic night lamp operates without using bulky transformer, and automatically switches ON some LEDs during night, and switches them OFF during day. In this post I have explained how to make a transformerless automatic darkness activated LED lamp circuit, using a couple of transistors and capacitive based power supply, eliminating the use […]