ITEM NAME:1 x OTA WeMos CH340 D1 WiFi R3 Development ESP8266 ESP-12E Boar X1U3 Y2W5 Descriptions: Based on ESP-8266EX compatible, using IDE to program 11 x I / O pins 1 x ADC pin (input range of 0-3.3V) Support OTA wireless upload Onboard 5V 1A Switching Power Supply (highest input voltage 24V) After installing the hardware package, the direct use of IDE development, the same operation with br /> Package include: 1 x OTA WeMos CH340 D1 WiFi R3 Development Board ESP8266 ESP-12E.Support OTA wireless upload. 11 x I / O pins.