Esp32, INA219, SD, ST7567

A solar battery charger to charge lithium ion (li-ion) 18650, 9V, and coin batteries and Ni-MH AA and AAA batteries.

Solar MPPT charger for garden light

Logs data from a SRNE Solar Charge Controller

Displaying data output from a MPPT PCM6048 solar charger. The solar charger handles 6 X 195 Watt solar panels. Battery bank is 24 Volt. Capacity is 400 Ampere Hours at 24 Volt

Batt log and auto disconnect charger for esp8266