QUERY · ISSUE
machine.TouchPad should be documented
docs
machine.TouchPad, implemented in machine_touchpad.c for the esp32 port, is only documented in the ESP32 Quick Ref: Capacitive touch.
It should also have a machine.TouchPad entry.
CANDIDATE · ISSUE
Touch Pad Error
Touch pad error
>>> import machine
>>> from machine import Pin
>>> t = machine.TouchPad(Pin(32))
>>> t.read()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: Touch pad error
Originally posted by @Fuermohao in https://github.com/micropython/micropython/pull/3531#issuecomment-440129205