Hardware \ ESP8266 \ Boards

LOLIN(WEMOS) D1 R2 & mini

LOLIN(WEMOS) D1 R2 & mini

The Wemos Mini is a small ESP-8266 based wifi board.


11 digital io pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)

1 analog input(3.2V max input)

a Micro USB connection

Compatible with Arduino and nodemcu

Manufacturer(s) Wemos
Used chip ESP8266EX
Flash 4 (MB)
Module ESP-12F

Used module(s)

View ESP-12F


2020-01-17 18:39:18
ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a com...

Used chip

View ESP8266EX


2020-01-11 16:42:10
ESP8266EX has 17 GPIO pins which can be assigned to various functions by programming the appropriat...

Arduino board settings

Board name:
LOLIN(WEMOS) D1 R2 & mini

Flash size:
  • 4MB (32Mb)

Partition scheme:
  • 4MB (SPIFFS(FS) 2MB OTA:~1019KB)
  • 4MB (SPIFFS(FS) 3MB OTA:~512KB)
  • 4MB (SPIFFS(FS) 1MB OTA:~1019KB)

Added by

Andreas Spiess