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A project log for Arduino MPPT Solar Charge Controller

The charge controller consists of a buck converter that is controlled by an Arduino via a half-bridge driver.

tobiasTobias 04/16/2016 at 01:220 Comments

Previously, components were destroyed by high currents battery flowing back into the circuit. I added a diode which works well and the circuit is now much more robust.

The drawback is that efficiency has dropped from 88% to 78%.

full sunlight, 1370 W/m^2

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