Raspberry Pi Pico 电容式触控

[shaoziyang]

这些是该项目中使用的主要概念的关键教程：

• CircuitPython Essentials: CrcuitPython Cap Touch
• Touch Related IO Library

原理图


电路

 

[shaoziyang]

CircuitPython 参考代码

代码： 全选

import board
import touchio
from adafruit_debouncer import Debouncer, Button

THRESHOLD = 1000
t = touchio.TouchIn(board.GP12)
t.threshold = t.raw_value + THRESHOLD
touchpad = Button(t, value_when_pressed=True)

while True:
    touchpad.update()
    if touchpad.rose:

        print("Touch On")
    if touchpad.fell:
        print("Touch Off")

https://diyelectromusic.wordpress.com/2 ... ive-touch/