LoPy and WiPy expansion board
USB and LiPo battery powered.<br> FT234XD USB to serial converter.<br> LiPo battery charger (BQ24040 ), with options for 2 different charging currents (100mA and 450mA).<br> TPS2115A with reverse voltage protection.<br> MicroSD card slot.<br> 3 female headers to easily plug in the WiPy (WiPy 1.0 and WiPy 2.0) or the LoPy.<br> JST style battery connector.<br> Power LED and charge status LED.<br> 1 user LED and 1 user switch.<br> Battery voltage monitoring via the WiPy ADC.<br> Lots of jumpers to enable/disable features.<br> Dimensions: 65 x 50 x 12 mm