Diagram and pinout for version v1.0.0

WeMos D1 mini

Pin

Pin Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, max 3.3V input A0
D0 IO GPIO16
D1 IO, SCL GPIO5
D2 IO, SDA GPIO4
D3 IO,10k Pull-up GPIO0
D4 IO, 10k pull-up, BUILTIN_LED GPIO2
D5 IO, SCK GPIO14
D6 IO, MISO GPIO12
D7 IO, MOSI GPIO13
D8 IO,10k pull-down, SS GPIO15
G Ground GND
5V 5V
3V3 3.3V 3.3V
RST Reset RST

*All IO have interrupt/pwm/I2C/one-wire supported(except D0)

d1 mini shematics (updated schematics):

The version 3.0.0

http://www.wemos.cc/en/latest/_static/files/sch_d1_mini_v3.0.0.pdf

 

Programming

The D1 mini has a micro USB for auto programming. Also you can programming it using OTA 

For home automation, this module can be easy to set-up using esphome and homeassistant.

Warnings

All IO is work at 3.3V.

Source wemos.cc

 


Get the module from here, choose the version suitable for your project:

Wemos D1 Mini
       

Recomended tools:
     

D1 Mini ESP32
WeMos D1 mini pins and diagram
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2 thoughts on “WeMos D1 mini pins and diagram

  • January 21, 2020 at 12:59
    Permalink

    Schematic forgot the Internal LED with resistor on GPIO2.

    Reply
    • February 10, 2020 at 10:08
      Permalink

      Reposted a new revision. Thank you.

      Reply

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