Arduino Compatible WEMOS D1 R2 WIFI ESP8266 Shield

Description of product

Product Details:

MicrocontrollerESP8266EX
Operating Voltage3.3V
Digital INPUT OUTPUT Pins11 (all I/O pins have interrupt/pwm/I2C/one-wire capability, except for D0)
Flash Memory4MB
Analog Input Pins1 (3.2V max input)
Output5V at 1A Max
Board Dimensions68.6mm x 53.4mm (2.701" x 2.102") / Long x Wide
Weight21.8g (0.769oz)

The D1 R2 is a WiFi capable ESP8266EX based development board in the form of the common Arduino UNO board format. This board is compatible with the Arduino IDE and with NodeMCU. The D1 R2 also features an on-board switching power supply which allows you to power the board from a power supply up to 12V.

*Note: The D1 R2 is a 3.3V device. If you connect it to 5V digital sensors or devices you will need a logic level converter.

Specifications:

  • Microcontroller: ESP8266EX
  • Operating Voltage: 3.3V
  • Digital I/O Pins: 11 (all I/O pins have interrupt/pwm/I2C/one-wire capability, except for D0)
  • Analog Input Pins: 1 (3.2V max input)
  • Flash Memory: 4MB
  • On-Board Switching Power Supply
  • Input Voltage Range: 9V to 12V
  • Output: 5V at 1A Max
  • Board Dimensions: 68.6mm x 53.4mm (2.701" x 2.102") / Long x Wide
  • Weight: 21.8g (0.769oz)