Search found 2 matches

by lucas77
Wed May 20, 2020 3:32 am
Forum: Sample Code
Topic: ESP32 - Internal Hall Effect Sensor Example
Replies: 2
Views: 9220

Re: ESP32 - Internal Hall Effect Sensor Example

Hi, do you have the .ino file? How do you set the initial value of measure, or calibrate the sensor? I got 4 esp32 boards and all of them show different reads (without ant magnet near, same condition for all). Also, will like to use the sensor to cout revolutions, so I am wondering about how to use ...
by lucas77
Wed May 20, 2020 2:41 am
Forum: ESP32 Arduino
Topic: Practical usage of the built-in hall sensor
Replies: 11
Views: 50083

Re: Practical usage of the built-in hall sensor

Hi, anyone has used the built in hall effect sensor with interrupts? my goal is to count revolutions of a wheel (Bicycle), son can calculate speed. So, I want to use the built in sensor, and got 2 problems: first, can´t figure out how to make an interrupt on each revolution, lots of projects already...