An automatic emergency light circuit that runs on battery power is simple yet very important because it provides light when the electricity goes out. This circuit makes sure that a lamp turns on by itself if the main power supply fails, which is super helpful for homes, offices and other places that need extra lighting. […]
Battery Charger Circuits
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12V Battery Powered Fluorescent Lamp Driver Circuit
A fluorescent lamp needs a high voltage alternating current to start glowing and keep shining. The circuit here is 12V Battery Powered Fluorescent Lamp Driver Circuit. This circuit cleverly changes a low voltage direct current from a battery into a high voltage alternating current, which helps the fluorescent tube work. It is really useful for […]
Simple Transistor Based Battery Heater Circuit
A Simple Transistor Based Battery Heater Circuit is a super efficient and portable way to create heat using a 12V DC power source. This cool circuit is really useful in places where there is no access to regular electricity making it perfect for outdoor heating, small incubators or as a dependable option during emergencies. The […]
Simple Battery Level Indicator Circuit using IC MN13811
A Simple Battery Level Indicator Circuit using IC MN13811 is really important for keeping track of how much power is left in batteries and letting you know when it i time to recharge them. This specific circuit uses an MN13811 integrated circuit and two transistors that work together to light up an LED which shows […]
Advanced Ni-Cd Battery Fast Charging Circuit
Nickel-Cadmium (Ni-Cd) batteries are really popular in many electronic devices because they have a high energy density and can be recharged. However, the usual ways to charge them can be slow and not very effective which might shorten the batteries lifespan. To tackle this problem a super fast charger circuit for Ni-Cd batteries has been […]
Simple Battery Charger Circuit using IC LM317
A Simple Battery Charger Circuit using IC LM317 is an important device that helps recharge rechargeable batteries effectively. One of the key parts used in these chargers is the IC LM317 which is a versatile voltage regulator. It is commonly found in adjustable power supplies and charging circuits. This specific setup is great for charging […]