Minimal Micropython

This example uses the amazing library provided by mcauser. Currently the support is very limited.

Micropython installation guide

Step 1: Download the latest esptool

Download the latest esptool from here. or use pip pip3 install esptool

Step 2: Download micropython binary

Download the latest micropython binary from here.

Step 3: Erase flash on paperd.ink

esptool --chip esp32 --port <port> erase_flash Port is the port number you use for uploading code. Could be /dev/ttyUSB0 on linux, /dev/ttyACM0 on mac or a COM port on windows.

Step 3: Upload micropython

esptool --chip esp32 --port <port> --baud 460800 write_flash -z 0x1000 <path to micropython bin>

Step 4: Open a serial terminal

Press reset button on the back of paperd.ink Open a serial terminal at 115200 baud, you should see a python repl.

Uploading code

Step 1: Install rshell

pip3 install rshell

Step 2: Open rshell

Start rshell in the directory where your code is. rshell --buffer-size=30 -p <port> -a

Step 3: Upload code

The following command should be typed in rshell cp epaper4in2.py /pyboard/ cp boot.py /pyboard/

Step 4: Hit reset

After hitting reset you should be able to see the EPD update

More detailed guides

1. rshell
2. uPyCraft IDE