BOARDS/CARDPUTER CircuitPython/full_display_test.py

import board
import terminalio
from adafruit_display_text import label
from keyboard import Keyboard

# GUIDE
# type freely! CTRL+D clears the text.
# backspace, space, and return function as expected.
# keys not recognised WILL print "UNKNOWN 0x??", but this is useful for extra key scans
######

keyb = Keyboard()

text = ""
text_area = label.Label(terminalio.FONT, text=text)
text_area.x = 10
text_area.y = 10
board.DISPLAY.root_group = text_area

while True:
    key = keyb.scan()
    if key == "BACKSP":
        text = text[:-1]
    elif key == "CTRLD":
        text = ""
    else:
        text = text+key
    text_area.text = text