Descriptions:
Based on ESP-8266EX
Arduino compatible, using Arduino 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,
I give you The web .this web is chinese ,so you need us the google translate.Installation Tutorial web :check here
1PCS x OTA WeMos CH340 D1 WiFi Development Board ESP8266 ESP-12E