2 layers18.5 × 21 mm

XIAO LiFePO4-Power Module
M-C-machts/XIAO-LiFePO4-Power-Module
LiFePO4 charging + 3.3V power module in Seeed Studio XIAO form factor, with battery voltage sense
23 parts
Boards in 2 GitHub repositories, designed in KiCad, that use the TP5000-QFN16 by TOPPOWER (-20℃~+85℃ 1 180uA 2A 4.2V 4V~9V Charging IC Lithium Battery、LiFePO4 Battery Support QFN-16-EP(4x4) Battery Management ROHS). See how each wires it, with its parts, size, README and files; the TP5000-QFN16’s symbol, footprint and pinout are on its own page.

M-C-machts/XIAO-LiFePO4-Power-Module
LiFePO4 charging + 3.3V power module in Seeed Studio XIAO form factor, with battery voltage sense

trabem/home_sense_meteostation
Репозиторій автономної battery-powered метеостанції на ESP32-C3-WROOM-02. Містить firmware (ESP-IDF / FreeRTOS), KiCad-проєкти двох плат і матеріали фінальної презентації.