Solar Charge Controller

References

Chips

If we don’t want to do “everything ourselves”:

• BQ25792 - I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output

  Other projects

• DIYODE Magazine - ATtiny85-based Solar Charge Contoller
• Adam Welch - PWM85 Solar Charge Controller (also on Tindie)
• Solar Energy Generator - hackaday.io
• DIY Charge Controller - hackaday.io
• Arduino MPPT Solar Charge Controller
• SolarCharger SZBK07V2
• High Efficiency MPPT Solar Charger
• SunBoard - Charge Controller with MPPT & Bluetooth
• Mppt Solar Charge Controller 12V