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使用usb_hid功能制作快捷键小键盘，定义了6个键，分别是

ctrl+z ctrl+v ctrl+c 

ctrl+a ctrl+w ctrl+n 

对应引脚

board.GP4, board.GP8, board.GP13

board.GP28, board.GP20, board.GP17

需要用到的库，记得复制进单片机存储里面

然后是main主程序代码

import board
from digitalio import DigitalInOut,Direction,Pull
import time
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.keycode import Keycodetime.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 :)Led=DigitalInOut(board.LED)
Led.direction=Direction.OUTPUT
Led.value=False 
#引脚列表
kb=[board.GP4,board.GP8,board.GP13,board.GP28,board.GP20,board.GP17]
#存储配置后的引脚
KeyPin=[]
#功能键列表
key=[Keycode.Z,Keycode.V,Keycode.C,Keycode.A,Keycode.W,Keycode.N]
control_key = Keycode.CONTROL
#配置引脚
for i in kb:k=DigitalInOut(i)k.direction.INPUTk.pull=Pull.UPKeyPin.append(k)
#工作部分
while True :for i in KeyPin:if not i.value:Led.value=Truewhile not i.value:passkeyboard.press(control_key, key[KeyPin.index(i)])keyboard.release_all()Led.value=Falsetime.sleep(0.01)

boot启动程序代码，作用是防止被识别为usb存储设备

# disabled usb diivide
import storage 
storage.disable_usb_drive()

更多hid设备参考以下教程

Adafruit HID 库

CircuitPython HID 键盘和鼠标