Charge ‘n Boost: Arduino IDE Programmable Powerbank
Build your own powerbank! On-board charge IC, boost IC, Atmega328P, fuel gauge IC and WS2812B RGB led. Full dynamic power path management.
Build your own powerbank! On-board charge IC, boost IC, Atmega328P, fuel gauge IC and WS2812B RGB led. Full dynamic power path management.
A small configurable 3.1A lithium battery powerbank, 2 x BC1.2 power ports, 4 RGB status LEDs double as a powerful torch. Arduino ISP programmable. Actually handles amperage!
Improved on the BQ25895 breakout PCB. For a full list of changes read full article.
TPS63031 buck boost fixed 3v3 regulator module. In: 1.8-5.5v, out: 500 / 800mA.
TI recently released an IC combining a single cell 5A lithium charger and 3.1A 5V booster: the BQ25895. Below a working test circuit. Writeup soon.