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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.
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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.
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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...
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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.
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Smart & Fast Battery Charger for NiCd/NiMH
The project utilizes MAX712/MAX713 fast charge controllers in order to build a smart & fast NiCd/NiMH battery charger.
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Building A Universal Solar Powered Charger
With minimal electronic knowledge and even cheaper cost, the project aims to create a universal solar power charger with the option of changing the panel whenever desired.
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LiPo Monitor System Known as Simple-Volt
The project is built around a PIC microcontroller in order to build the Simple-Volt which is a tiny, lightweight R/C battery voltage monitor/alarm system.
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Battery Discharger with Precision
The project uses a cheap and reliable discharger circuit with an easy visual indication of the battery’s state as it creates a precision battery discharger for 8.4V 7-cell NiCad or NiMH batteries.
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Creating Prank Device Using the Haunted USB Cable
The purpose of developing the haunted USB cable is to send random keystrokes from time to time to a user while implementing a keyboard and driving the user mad.
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Battery Charger Using Power from Grid
A PIC16F676 microcontroller is being used in this project to control a solid stat relay and to monitor the battery voltage in order to become useful in alternative energy applications by making a...
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