Circuit-Projects.com New Projects
4 Band, 5 Band and 6 Band Resistor Calculator Tool
Graphical resistor calculator tool.Quickly understand the resistor color code.
PCB Trace Width Calculator
Internaland External PCB Trace calculator tool.
Wire Self Inductance Calculator
Wire, Parallel Wire, Coax, Wire over Plane, Loop, Rectangle Loop, Coil, Broadside Trace, and Edge Coupled Traces
Battery Circuits

AA Battery Used to Power AVR Microcontroller

AA Battery Used to Power AVR Microcontroller

The project illustrates how it managed to power AVR microcontroller from a single AA battery with simple circuitry which is also driven by the AVR microcontroller.

True Battery Capacity Tester Based on Arduino

True Battery Capacity Tester Based on Arduino

The Arduino based capacity tester of true battery power is capable of measuring almost any type of rechargeable or non-rechargeable batteries by fully discharging the battery with known current and log data to PC.

Portable Battery Charger Via USB Port

Portable Battery Charger Via USB Port

Almost all devices like mobile phones or iPods can be charged by this tiny USB battery charger through USB and by using only two AA cells.

USB LI-Ion Battery Charger

USB LI-Ion Battery Charger

The project aims to create a charger for lithium ion batteries which takes its power from the USB port of a computer.

ATmega8 Based Lithium Ion Battery Charger

ATmega8 Based Lithium Ion Battery Charger

The project illustrates a universal charger for Li-Ion battery using a Smart Battery interface based on Atmel ATmega8 microcontroller with GCC software.

Multi-Chemistry Battery Charger

Multi-Chemistry Battery Charger

The project produces a battery charger that may be used to charge NiMH, Li-Ion, NiCad, sealed lead acid, and rechargeable alkaline batteries.


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