Circuitpython code for the Keybow using a Raspberry Pico instead of a Raspberry Pi Zero

keybow.py

# based on example code from Adafruit and dglaude plus some of my own!
#
# https://github.com/dglaude/circuitpython_phat_on_pico/blob/main/keybow_mini.py
#

import time
import board
import digitalio
import adafruit_dotstar

# keyboard inputs

import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.keycode import Keycode

# define dotstar leds

pixels = adafruit_dotstar.DotStar(board.GP2, board.GP3, 12)


# define keys IO pins.

pins = [board.GP7, board.GP8, board.GP27, board.GP9, board.GP26, board.GP10, board.GP11, board.GP18, board.GP12, 
board.GP16, board.GP17, board.GP14]

# map the LEDs position to the keys position

leds_mapping = [3, 7, 11, 2, 6, 10, 1, 5, 9, 0, 4, 8]

# setup keys

keys = []

for pin in pins:
    key_pin = digitalio.DigitalInOut(pin)
    key_pin.direction = digitalio.Direction.INPUT
    key_pin.pull = digitalio.Pull.UP
    keys.append(key_pin)

# define keycodes

keys_pressed = ["Robot", Keycode.B, Keycode.C, Keycode.D, Keycode.E, Keycode.F, Keycode.G, Keycode.H, Keycode.I, Keycode.J, Keycode.K, Keycode.L]
control_key = Keycode.SHIFT

# 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 UK :)

for pixel in range(0,12):
    print(f"pixel no:{pixel} ")
    time.sleep(0.1)
    pixels[pixel] = (0, 125, 125)

# define board LED

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

# main loop

print("Waiting for key pin...")

while True:
    # Check each pin
    for key_pin in keys:
        if not key_pin.value:  # Is it grounded?
            i = keys.index(key_pin)
            print("Pin #%d is grounded." % i)

            # Turn on the Pico LED and key LED
            led.value = True
            pixels[leds_mapping[i]] = (255, 125, 0)

            while not key_pin.value:
                pass  # Wait for it to be ungrounded!
            # "Type" the Keycode or string
            key = keys_pressed[i]  # Get the corresponding Keycode or string
            if isinstance(key, str):  # If it's a string...
                keyboard_layout.write(key)  # ...Print the string
            else:  # If it's not a string...
                keyboard.press(control_key, key)  # "Press"...
                keyboard.release_all()  # ..."Release"!

            # Turn off the Pico LED
            led.value = False
            pixels[leds_mapping[i]] = (0, 125, 125)

    time.sleep(0.01)

rename as code.py to run on startup, you will also need to save the adafruit_hid and the dotstart libraries in the lib folder on the Pico