KeyboardEmulator

Keyboard Emulator in CircuitPython

Connect D2 to GND to activate Keyboard

code for the keyboard emulator

#"""based on CircuitPython Essentials HID Keyboard example"""

# IF you connect D2 and GND it acts as keyboard

import time
import board
import digitalio
from digitalio import DigitalInOut, Direction, Pull
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.keycode import Keycode
from adafruit_lsm6ds.lsm6dsox import LSM6DSOX

i2c = board.I2C()  # uses board.SCL and board.SDA
# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
sensor = LSM6DSOX(i2c)

led = digitalio.DigitalInOut(board.LED)
led.direction = digitalio.Direction.OUTPUT

switch = DigitalInOut(board.D2)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

def sensorRead():
        a=(sensor.acceleration)
        g=(sensor.gyro)
        return (a+g)

# The keyboard object!
time.sleep(1)  # Sleep for a bit to avoid a race condition on some systems
keyboard = Keyboard(usb_hid.devices)
keyboard_layout = KeyboardLayoutUS(keyboard)  # We're in the US :)


while True:
    readings = []
    
    for _ in range(100):
        reading = sensorRead()
        readings.append(reading)
        time.sleep(0.02)  # Sleep for 100 milliseconds
    
    sum_absolute_differences = [0] * 6

    for i in range(1, len(readings)):
        for j in range(6):  # Assuming each reading has 6 components
            sum_absolute_differences[j] += abs(readings[i][j] - readings[i-1][j])
    
    x = sum(sum_absolute_differences)
    print(x)
    
    #for i, reading in enumerate(readings):
        #print(f"Reading {i+1}: {reading}")
    
    if switch.value:
        led.value = False
        write2keyboard = False
        #print("Off")
    else:
        led.value = True
        write2keyboard = True
        #print("On")

    #if write2keyboard: 
    #    keyboard.press(Keycode.SHIFT, Keycode.A)
    #    keyboard.press(Keycode.ENTER)

    if 0 <= x <= 20:
        print("nothing")
    elif 20 < x <= 180:
        print("nice, I like this")
        if write2keyboard:
            keyboard_layout.write("nice, I like this\n")
    elif 180 < x <= 300:
        print("are you careful?")
        if write2keyboard:
            keyboard_layout.write("are zou careful?\n")
    elif 300 < x <= 400:
        print("be careful with me!")
        if write2keyboard:
            keyboard_layout.write("be careful with me!\n")
    elif 400 < x <= 600:
        print("no this is not nice!")
        if write2keyboard:
            keyboard_layout.write("no this is not nice!\n")
    elif 600 < x <= 800:
        print("this hurts!!!")
        if write2keyboard:
            keyboard_layout.write("this hurts!!!\n")
    elif x > 800:
        print("you are killing me")
        if write2keyboard:
            keyboard_layout.write("zou are killing me\n")
    else:
        print("Value out of range")