Hello friends!
I am new to the Fio and before I dare using it in a remote sensor scenario I want to better understand the battery charging mechanics. In particular:
Has anybody experience interpreting signals on pins 12 (VBATT_LVL) and 13 (CHARGE_STAT)? And what is good practice to prevent over discharge of a connected LiPo battery? I have also difficulties understanding the CHG LED behavior on the board. It seems the LED turns on whenever external power is supplied - but I never see it turning off to indicate a fully charged battery.