send string example

code.py

import board
from digitalio import DigitalInOut, Pull
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayout

kbd = Keyboard(usb_hid.devices)
layout = KeyboardLayout(kbd)

class Button:
    def __init__(self, pin, text):
        self.btn = DigitalInOut(pin)
        self.btn.switch_to_input(Pull.UP)
        self.last = self.btn.value
        self.text = text

    def process(self):
        value = self.btn.value
        if value != self.last:
            if not value:
                layout.write(self.text)
        self.last = value

button1 = Button(board.GP14, "hello")
button2 = Button(board.GP15, "world")

while True:
    button1.process()
    button2.process()