Play micropython on ESP01 or WEMOS D1 Mini V2


ESP01 USB programmer

WEMOS D1 mini V2

Ressources :


Quick Guide ( MAC / Linux)

    1. Install ESP TOOL to ease flashing ESP (yes, that's python too :-) :

First, make sure command line tools are installed on MAC OSX

xcode-select --install

Download ESPTOOL from ESP conceptor (yes, it's Python too :-)

git clone

cd esptool

sudo python ./ install

Download ESP8266 micropython


Plug your ESP with adapter in prog mode and lookup for COM serial device used :

ls /dev/tty.*

Now, upload firmware to ESP via serial port (put your ESP in upload mode -->

sudo --baud 921600 --port /dev/tty.wchusbserialfa130 write_flash -fm dio 0x00000 esp8266-20170612-v1.9.1.bin

That's done, you can connect now via any serial terminal !

screen /dev/tty.wchusbserialfa130 115200

Screen / microPython shortcuts:

Ctrl-A K




Run python script from command line :

Install ampy

git clone

cd ampy

sudo python ./ install

And use "ls", "put", etc... to manipulate files on ESP

sudo ampy --port /dev/tty.wchusbserialfa130 -b 115200 ls

get Retrieve a file from the board. ls List contents of a directory on the board. put Put a file on the board. rm Remove a file from the board. run Run a script and print its output.

Now, directly run your script (even does not need to copy it)

sudo ampy --port /dev/tty.wchusbserialfa130 -b 115200 run

Run / upload your script OTA with your web browser !

git clone