WeMos D1 R2 WiFi uno based ESP8266 for arduino nodemcu Compatible

What’s new about V2.1.0

•  Use BRT (Bias Resistor Transistor), easier into flash mode.
•  Optimize the circuit, the system is more stable.

About D1 R2

• based on the ESP-8266EX.
• Arduino Compatible, you can use it on Arduino IDE.
• NodeMcu Compatible
• 11 Digital I/O pins
• 1 Analog Input pin
• OTA — Wireless Upload(Program)
• On board switching power supply — Max 24V input, 5V 1A output