https://github.com/bgamari/solar-charger-v2

Another attempt at a solar powered battery charger and USB power supply
https://github.com/bgamari/solar-charger-v2

Last synced: over 1 year ago
JSON representation

Another attempt at a solar powered battery charger and USB power supply

• Host: GitHub
• URL: https://github.com/bgamari/solar-charger-v2
• Owner: bgamari
• Created: 2014-06-30T00:23:00.000Z (about 12 years ago)
• Default Branch: master
• Last Pushed: 2014-09-06T20:46:16.000Z (almost 12 years ago)
• Last Synced: 2025-04-06T13:17:23.831Z (over 1 year ago)
• Language: C
• Size: 598 KB
• Stars: 3
• Watchers: 3
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.mkd

Awesome Lists containing this project

README

          
# solar-charger-v2

This is a hardware design for a solar powered battery charger and USB supply.

The intended use case looks something like this,

    Photovoltaic cell   ----> solar charger ----> USB device

       Vpv > Vbat                  |              Vusb = 5V

                                   |

                              battery pack

                                Vbat > Vusb

This allows the battery pack to be charged at the optimal rate to follow the

maximum power point of the photovoltaic cell. This optimization as well as

battery charge management is performed by the MCU (STM32L151).