corrected driver & demo for the Waveshare 4.2inch e-Paper Module Model : https://www.waveshare.com/wiki/4.2inch_e-Paper_Module_(B)
Be sure to activate SPI & I2C interface in raspi-config
to use this screen on a rasberry, you need to install these modules : python-dev, pillow, spidev
Be sure you have installed libjpeg-dev before pillow installation :
sudo apt-get install libjpeg-dev
sudo apt-get install python-dev pillow
sudo apt-get install python-smbus python-serial
sudo pip install spidev
| e-Paper | Raspberry Pi 3B |
|---|---|
| 3.3V | 3.3V - Pin 17 |
| GND | GND - Pin 20 |
| DIN | MOSI - Pin 19 |
| CLK | SCLK - Pin 23 |
| CS | CE0 - Pin 24 |
| DC | GPIO 25 - Pin 22 |
| RST | GPIO 17 - Pin 11 |
| BUSY | GPIO 24 - Pin 18 |
avoid floats using integer when needed in epd4in2b.py correct importing Pillow
https://www.waveshare.com/wiki/4.2inch_e-Paper_Module_(B) https://www.waveshare.com/wiki/Pioneer600#Libraries_Installation_for_RPi