A demo project for the 2.7" ePaper HAT from Waveshare, using the display and the buttons

hello_epaper2.py

import sys
sys.path.insert(1, "./lib")

import epd2in7b
from PIL import Image, ImageDraw, ImageFont
from gpiozero import Button

btn = Button(5)

epd = epd2in7b.EPD()
epd.init()
print("Clear...")
epd.Clear(0xFF)

def printToDisplay(string):
    HBlackImage = Image.new('1', (epd2in7b.EPD_HEIGHT, epd2in7b.EPD_WIDTH), 255)
    HRedImage = Image.new('1', (epd2in7b.EPD_HEIGHT, epd2in7b.EPD_WIDTH), 255)
    
    draw = ImageDraw.Draw(HBlackImage) # Create draw object and pass in the image layer we want to work with (HBlackImage)
    font = ImageFont.truetype('/usr/share/fonts/truetype/google/Bangers-Regular.ttf', 30) # Create our font, passing in the font file and font size
    
    draw.text((25, 65), string, font = font, fill = 0)
    
    epd.display(epd.getbuffer(HBlackImage), epd.getbuffer(HRedImage))
    
def handleBtnPress():
    printToDisplay("Hello, World!")

btn.when_pressed = handleBtnPress