ITEM NAME:Esp8266 Oled Preflashed Development Board Screen 0.96 Inch Oled Version - E M2L6 Esp8266 Oled Preflashed Development Board Screen 0.96 Inch Oled Version - E M2L6 1.One AD inputs.2.Micro USB inputs.3.One programmable LED (D0).4.Integrated 18650 battery charging and discharging system.5.One switch controls whether the 18650 battery is
