There are three different buttons/options: State, in which the circuit operates as a maximum power point tracking solar charge controller driving a 2V LED load. The circuit enters this state when the ...

This is a project build for a Arduino based Solar MPPT charge controller.It has features like: LCD display,Led Indication, Wi Fi data logging and provision for charging different USB devices.It is ...

A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger ...