CircuitPython 10.3.0-alpha.4 Touchio Bug

[xiaomewo]

CircuitPython version and board name

CircuitPython 10.3.0-alpha.4 with Seeed Xiao ESP32S3

Code/REPL

import board
import touchio
import time

# 测试D0触摸引脚
touch_key = touchio.TouchIn(board.D0)

# 调低阈值，做到一碰就触发
touch_key.threshold = touch_key.raw_value + 25

while True:
    # 打印数值：触摸=1，松开=0
    print(touch_key.value)
    time.sleep(0.15)

Behavior

False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False
0 False

Description

使用touch io无法读取

Additional information

No response

[dhalbert]

Print out touch.raw_value too, so we can see how much it varies when you touch the pin. What is connected to the pin? If it's a wire, how long is the wire?