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 huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network… ...