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Electronics Project - battery Charger

Purpose

To be able to charge multiple Greenpower batteries well. Will have the following features:

  • Extendable for a large number of batteries.
  • Charges each battery independantly with an "intelligent" algorithm managing current and voltage.
  • Top up charge ability to make sure batteries are fully charged.
  • Logs the charge provide to give indications of battery status.
  • Core system can be built by pupils.
  • Programmable so that discharge/charge tests can be run and batteries cycled.

Possible features

  • Internet access to see the state of charge and battery charge history.

Circuit Diagram

Circuit Description

PCB Layout

Components

Building

Testing

Usage