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 […]
Car Battery Charger Circuit using IC MC78T12ABT
Car battery charger help car run good by keeping battery charged. This simple circuit uses MC78T12ABT IC which works well. IC is strong and handles high current. Made by Freescale like 7812 in TO-3 case with max 3A. Car Battery Charger Circuit using IC MC78T12ABT is made for 12V lead acid battery which can check […]
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 […]
Car Stereo Amplifier Circuit using IC TDA1553
Car stereo amplifier is very important. It makes sound signal strong and give power to speaker so they work good. This Car Stereo Amplifier Circuit using IC TDA1553 chip is strong for Class B amplifier. Chip is made for car radios and is small in size, work well and need few parts to make. It […]
Designing a 24W Power Amplifier Circuit using IC TDA1516
TDA1516 is Class B power amp in 13-pin SIL package. It is good for many audio jobs. It has safety features like short circuit, overheat and reverse polarity protection. In BTL mode it gives 24W to 4 ohm speaker. This Designing a 24W Power Amplifier Circuit using IC TDA1516 is great for car audio and […]
Measuring RPM with a Tachometer Circuit
Tachometer is tool to check how fast motor shaft or disk spin. Speed is shown in RPM (revolutions per minute). This article for Measuring RPM with a Tachometer Circuit teaches us how simple tachometer circuit made, how it work and how to build it. Tachometer are used in many places like industry, car and lab […]