The IC LM3914 based 12V Battery Level Indicator Circuit shows how much battery charge is left, also it works well with 12V battery-powered devices and helps prevent sudden power loss. IC LM3914 senses voltage and control 10 LEDs , it show in dot mode or bar mode and also it work with 3V to 25V […]
Battery Charger Circuits
How to Build a LiPo Battery Charger Circuit
LiPo batteries are popular today because they are lightweight, store a large amount of energy and support recharging, however, we must charge them carefully and accurately. We need a special circuit to prevent overcharging because overcharging can damage a battery or cause a fire. Hence, this LiPo Battery Charger Circuit is simple to build and […]
Simple DIY Battery Charger Circuit using Center Tap Transformer
Simple DIY Battery Charger Circuit using Center Tap Transformer is a useful device, it fills power in rechargeable battery. Furthermore, this article show how to make easy DIY charger using center tap transformer which is good for charging lead acid battery; also it can charge any 12V battery and even a car battery. Circuit is […]
3 LEDs Battery Status Indicator Circuit
To begin with, 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 and each LED shows different voltage. Also, we can see if battery is low, […]
Car Battery Charger Circuit using IC MC78T12ABT
Car battery charger help car run good by keeping battery charged, also this simple circuit uses MC78T12ABT IC which works well. Moreover, Freescale designed this robust IC to handle high current, as it is similar to the 7812 voltage regulator, comes in a TO-3 package and can deliver up to 3A of output current. This […]
Simple Charger Breakdown Alarm Circuit
In electronic system good charger circuit is very important, as it give power to things like battery. Also, this Simple Charger Breakdown Alarm Circuit check charger is working or not and if problem found then buzzer makes sound. So user know fast if charger fails and this stop battery from drain or damage, also it […]





