This tutorial teaches us about Battery Level Indicator Circuit using IC MN1381, as it shows when battery is low and indicates us to recharge, so use MN13811 IC and 2 transistors as they work together to turn ON the LED when battery is low. Also, the circuit is good for small 3V battery devices, as […]
Battery Charger Circuits
Advanced Ni-Cd Battery Fast Charging Circuit
Many devices use Ni-Cd batteries because they provide good energy storage and can be recharged; however, normal charging is slow and inefficient and it can reduce battery life. To fix this, we design an Advanced Ni-Cd Battery Fast Charging Circuit using the MAX712 chip, also this charger provides fast, safe and reliable charging for Ni-Cd […]
Battery Charger Circuit using IC LM317
Battery Charger Circuit using IC LM317 is an useful project in electronics, it charges rechargeable batteries well. The main part is the LM317 IC, a voltage regulator used in power supplies and battery charging, it also works well for charging 12V lead-acid batteries. This post show how LM317 IC charger works, what calculations to use […]
Battery Charger Circuit using IC L200
This article talks about a very useful and easy Battery Charger Circuit using IC L200 which helps battery work good and live long. Furthermore, this circuit show reverse polarity using LEDs. IC L200 is 5 pin voltage regulator which is very flexible and good for charging battery and also this IC have many features like […]
Lead Acid Battery Charger Circuit using IC LM350
Simple lead acid battery charger is very useful and it charges battery properly and make battery live longer. These batteries are used in cars, backup power and solar storage. This article for Lead Acid Battery Charger Circuit using IC LM350 show how charger circuit work using LM350 IC. LM350 IC give steady and adjustable voltage […]
Automatic Night Lamp Circuit using Battery Power
Automatic Night Lamp Circuit using Battery Power works on battery and saves energy, it turns ON in dark and OFF in light. Furthermore, this circuit is good for bedroom, hallway, stairs and gives light at night and it also uses two 1.5V batteries and has 7555 timer chip, LDR as light sensor and LED as […]