Search found 1 match

by Martavs
Wed Aug 08, 2018 1:10 pm
Forum: General Discussion
Topic: 32Hz noise when touch pad is enabled
Replies: 4
Views: 5907

Re: 32Hz noise when touch pad is enabled

Hello, Did you find any explanation or solution for this issue? We are using GPIOs 0, 2, 25 and 33 for 2 I2C lines (100kHz), and GPIOs 4 and 32 for touch pad. Both functionalities are working but when measuring with the oscilloscope we start seeing a periodic voltage dip in the pins 0, 2 and 33 as s...