Home / Circuits / WeMos D1 Mini Schematic Diagram

WeMos D1 Mini Schematic Diagram

The schematic diagram for the ESP8266 WeMos D1 Mini board:

sch_d1_mini_v3.0.0

Some notes on the schematic:

  • The voltage regulator is a ME6211 which has a maximum input voltage of 6.5 V. This input pin is directly wired to the 5V pin which means you can power the WeMos D1 Mini at a maximum of 6.5 V.
  •  A 0.5 A fuse connects the 5V pin and the USB VBUS. 0.5A or 500 mA is the maximum output current from desktop computer USBs. Using a higher current external power supply through the microUSB will not give higher current to the WeMos D1.
  • The USB-serial chip is a CH 340G. For interfacing problems with USB, download the CH340 driver.
  • There is an external  4MB flash memory communicating with the ESP8226 through SPI.
  • Deep sleep solder joint connects RST to GPIO16.

Check Also

How to Use the LM2596 Module

How to Use the LM2596S Module

The LM2596S module is an easy to use voltage regulator for people who use multiple …

Leave a Reply

Your email address will not be published. Required fields are marked *