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 […]
Battery Charger Circuits
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 […]
Battery Charger Circuit using IC TP5000
This Battery Charger Circuit using IC TP5000 charges lithium and LiFePO4 battery. It uses TP5000 IC and this IC work as buck converter and gives fast charge with no over heat. Circuit is small, simple and safe for battery. Circuit Working: Parts List: Component Value Quantity Resistors 1k 1/4 watt 1 0Ω 1/4 watt 1 […]
Battery Charger Circuit using SCR
Battery charger is important in electric system as it give back power to rechargeable battery. Circuit is good way in using SCR (Silicon Controlled Rectifier). SCR is strong, reliable and control well. It have four layers, three junctions and work like switch and rectifier. Small current to gate turns it ON and stay ON until […]
Supercapacitor Charger Circuit
We can charge supercapacitor safe and proper with and simple and easy to make Supercapacitor Charger Circuit. Battery does not charges or drain fast. Supercapacitor can do fast charge and drain. But supercapacitor hold less energy than battery. Circuit uses voltage regulator chip like LM317 to control voltage to supercapacitor. Regulator checks supercapacitor voltage and […]
Simple Wireless Mobile Phone Charging Circuit
This article talk about two main parts for wireless phone charging: Making Simple Wireless Mobile Phone Charging Circuit is easy. We only need resistors, capacitors, diodes, voltage regulator, copper coils and transformer to make circuit work good. Transmitter Circuit Working: Parts List: Category Description Quantity Resistor 1k 1/4 watt 1 Semiconductors Transistor TIP35 1 Transmitter […]