Wemos D1 mini V4


A mini wifi board with 4MB flash based on ESP-8266EX. This module has a USB type C port, an I2C connector and a CH340 USB-to-serial converter which makes programming this board as easy as an Arduino.

This modules ships with 2 male headers, 2 female headers and 2 short long female headers.

Same day shipment! Ordered today (before 4PM) = sent today!

200 in stock




  • 11 digital IO, interrupt/pwm/I2C/one-wire supported(except D0)
  • 1 analog input(3.2V max input)
  • Type-C USB Port
  • LOLIN I2C Port
  • Compatible with MicroPython, Arduino, nodemcu

Technical specs

Operating Voltage 3.3V
Digital I/O Pins 11
Analog Input Pins 1(3.2V Max)
Clock Speed 80/160MHz
Flash 4M Bytes
Size 34.2*25.6mm
Weight 3g