Fully implement battery management
There's a charger_state in flow3r_bsp_spio and there's an ADC pin for battery readout, but there's no high-level st3m/mpy library for battery/charge management.
There's a charger_state in flow3r_bsp_spio and there's an ADC pin for battery readout, but there's no high-level st3m/mpy library for battery/charge management.