DSTIKE WiFi OLED V1.5S ESP8266+OLED ESP-12E NodeMCU IOT Wireless Development Board 18650 Charger

Features: Charging circuit optimized, fixed the heat problem, more safe. Wifi deauther programm preflashed 18650 Battery charging system integrated Over charge protection Over discharge protection Pocket size 10x3 cm OLED display(D1-SDA,D2-SCL) Indicate LED control available (GPIO16) Operate like NodeMCU Smt connector for deep sleep mode 3 buttons(D5,D6,D7) 6 GPIO break out(ADC,D3,D4,D8,D9,D10) 3V/5V output Micro USB input(5~12V) 1 Switch controlls the power. Indication LED (red = chargin, green = fully charged) Can charge and work at the same time Package Included: 1 x DSTIKE WiFi OLED V1.5 Development Board