Search found 2 matches

by MotoDan
Wed Feb 23, 2022 7:38 pm
Forum: ESP32 Arduino
Topic: Best Frequency Meter ever made with ESP32 - awesome!
Replies: 100
Views: 151765

Re: Best Frequency Meter ever made with ESP32 - awesome!

Hi Gustava, Thank you for posting this great Frequency Meter. It is very accurate and works well. I would like to modify your version to measure the frequency of a second input, but am having some difficulties with processing the second input. I am using the one second timer output for the control s...
by MotoDan
Wed Feb 23, 2022 7:24 pm
Forum: ESP32 Arduino
Topic: Using PCNT to Measure Frequency on Two Inputs
Replies: 2
Views: 7423

Using PCNT to Measure Frequency on Two Inputs

I am using the well established ESP32 Frequency Meter code (https://www.esp32.com/viewtopic.php?t=17018) as a base to modify for measuring the frequency of a second input, but am having some difficulty in processing the second channel. My approach is to use a separate PCNT unit for each input, share...