The ESP32, for example, has its own Hall effect built in, as you can see in this video. Building with Hall Effect Sensors If you want to build your own Hall effect projects, there are plenty to ...

Espressif Systems makes the chip, and its ESP32 data sheet has nearly no mention of the Hall sensor – this is the longest and most detailed section:. 4.1.3 Hall Sensor ESP32 integrates a Hall sensor ...

There’s a built-in analog preamplifier, a temperature sensor, and even a Hall sensor. ... Well, you’d probably get your hands on an ESP8266 + external DAC faster than on an ESP32.