WeMos D1 R2 WiFi ESP8266 module

A Arduino compatible module, based on the ESP8266 chip and WiFi connectivity. Equipped with a microUSB connector for programming, 11 digital I/Os, 10 PWM channels, 1 analogue input and common communication interfaces. Capable of being powered by 3.3V. The physical pinout is compatible with the popular Arduino Uno microcontroller. Possibility to plug in overlays that work with the Arduino Uno. Specification:

* ESP8266 chip;

* Flash memory: 4 MB

* I/O ports: 11

* PWM outputs: 10

* Analogue inputs: 1 - on the A/D converter channel

* Interfaces: UART, I2C, 1-Wire, SPI

* Support for external interrupts

* WiFi

* USB controller: CH340 UART

* MicroUSB connector

* Compatible with Arduino IDE and NodeMCU