Wemos to Wio Adapter

Originally from RAT Julien

A way to transform Wemos board to a Wio Node device

What is Wemos?

The D1 mini is a mini wifi board based on ESP-8266EX.

What is Wio?

• An ESP8266 based open-source Wi-Fi development board

• Supports Plug-n-Play Groves

• Visual Configuration

• OTA (Over-The-Air) Firmware Updates

• RESTful APIs

• IFTTT Application

• Android & iOS APPs

More details: WIO NODE

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Step 1: Wire Wemos

First Step is to Wire your wemos like this, on a breadboard for example

Or under a experiment board .

or make your own PCB adapter

Here is the schematic .

You can use Fusion PCB Service from Seeed Studio to accomplish it.

Step 2: Flash Your Wemos to Transform It in a Real Wio Node !

Next step is to flash your Wemos.

According Wio Avanced User Guide For Windows users, please follow the steps below.

Download files:

Flash tool: http://bbs.espressif.com/download/file.php?id=856... (only works with Windows)

Firmware: user1.binuser2.bin

Bootloader binary and other binaries: http://bbs.espressif.com/download/file.php?id=856...

Unzip .rar and .zip files

Install the driver for CP2102 ( Windows 7 and later OS may install automatically, if not, download the driver from here)


Configure like the image below. Please note that the serial port number may be not "COM10" for your computer, it will be different on different computers. In the Device Manager, chose the one looks like "Silicon Labs CP210x USB to UART Bridge".


Press and hold FUNCTION key, then press RESET key, then release bothThe download should begin, if not, please redo step 6~7.

For Linux and Mac users (plus Windows users who have Python installed), please follow these steps.

Download files:

Firmware: user1.binuser2.bin

Bootloader binary and other binaries: http://www.seeedstudio.com/wiki/images/4/4b/Esp82...

Unzip files, put all the .bin files in one folderInstall esptool.py.

Open your terminal application and execute command - pip install

esptool(https://github.com/themadinventor/esptool)Install the driver for CP2102. Download the driver from here.

Open your terminal application and enter the directory of step 2, and execute the following command. Please Windows users note that the serial port number of Windows isn't "/dev/tty.SLAB_USBtoUART", it should be "COMx" whose full name looks like "Silicon Labs CP210x USB to UART Bridge" in Device Manager.

esptool.py -p /dev/ttyUSB0 -b 230400 write_flash --flash_size 32m-c1 0x0000 boot_v1.4\(b1\).bin 0x1000 user1.bin 0x101000 user2.bin 0x3fc000 esp_init_data_default.bin 0x3fe000 blank.bin

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    3 years ago

    Thé original author Julien RAT was not mention in this article : https://github.com/julienrat/wemostowio ! Please, update article to mention him.