Play micropython on ESP01 or WEMOS D1 Mini V2

Ressources :

• • http://docs.micropython.org

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 https://github.com/themadinventor/esptool.git

cd esptool

sudo python ./setup.py install

Download ESP8266 micropython

wget http://micropython.org/resources/firmware/esp8266-20170612-v1.9.1.bin

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 esptool.py --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:

Run python script from command line :

Install ampy

git clone https://github.com/adafruit/ampy.git

cd ampy

sudo python ./setup.py 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 test.py

Run / upload your script OTA with your web browser !

https://learn.adafruit.com/micropython-basics-esp8266-webrepl/access-webrepl

git clone https://github.com/micropython/webrepl.git