Simple 12V Single Lamp Flasher Circuit make lamp blink ON and OFF which looks cool. This circuit is simple and strong and is good for 12V car lamps. It is used in to turn signals, warning lights and fun lights. This one use BC557 transistor and IRF530 MOSFET. It works by charge and discharge capacitor […]
LED and Lamps
3 LEDs Battery Status Indicator Circuit
Battery status circuit is very useful in electronics systems. It helps keep battery healthy and working good in devices. 3 LEDs Battery Status Indicator Circuit is simple but works well and it shows battery voltage using three lights. Each LED shows different voltage. We can see if battery is low, normal or full just by […]
Simple Lamp Flasher Circuit using IC LM395
This post shows a Simple Lamp Flasher Circuit using IC LM395 to flash a lamp ON and OFF LM395 IC is a strong power transistor which works like a switch. It needs only few parts and can handle high current. It has safety features like heat and current protection. Even if design is simple it […]
Building an Auto Street Light Circuit using IC 741 and Transistor
This post talks about Building an Auto Street Light Circuit using IC 741 and Transistor. It turns ON at night and OFF at day. This circuit is simple and saves energy. It uses relay to control light, LDR to sense light, BC547 transistor drives relay and IC 741 works as a comparator. It is an […]
Practical Emergency Tube Light Circuit
Practical Emergency Tube Light Circuit gives light when power goes OFF. This project uses few parts to make emergency light work well. Main parts are step-down transformer, pulse switch circuit and tube light. This tutorial teaches us how the circuit works and how to build it. Circuit Working: Parts List: Component Descriptions Quantity Resistors 680Ω […]
Simple White LED Driver Circuit using TPS61161A
White LEDs are very common now for lights. They are used in electronics, car displays and home lights because they save power, last long and work well. But for long life and best work the power must be managed well. IC TPS61161A is special chip which is the LED driver for this job. It can […]