WeMos D1 R2 V2.1.0 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

Description: An Arduino UNO Compatible wifi board based on ESP8266EX.

Features:

• 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except for D0)

• 1 analog input(3.2V max input)

• Micro USB connection

• Power jack, 9-24V power input.

• Compatible with Arduino

• Compatible with nodemcu