WeMos D1 R2 V2.1.0 WiFi UNO Based ESP8266 for Arduino Nodemcu Compatible Module AT

What's new about V2.1.0Use BRT (Bias Resistor Transistor), easier into flash mode.Optimize the circuit, the system is more stable.Features: 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 Programming:The D1 R2 has a micro USB for auto programming.Also you can programming it using OTA?Warning: All IO is work at 3.3V.?Package Included:1 x? WeMos D1 R2 V2.1.0 WiFi Uno Based ?