The OTA WeMos D1 CH340 WiFi Development Board ESP8266 ESP-12E is a more Powerful Arduino with WIFI support.This development platform Espressif based on the ESP-8266 is the pins of the Arduino Uno almost compatible and can even be used as some shield modules designed for the classic Arduino Uno.
Specifications
Compatible
Arduino Compatible, you can use it on Arduino IDE.
I/O Pins
11 Digital I/O pins
1 Analog Input pin (input range 0-3.3V)
Input Voltage
7V ~ 24V
Operating Voltage
5V
Special Features
OTA -- Wireless Upload(Program)