The remote hall effect sensor. The idea is that you just need to stick a small magnet to your extruder, add a bit of extra G-code that will park it over the sensor at the end of each layer, and ...

Once I had my ESP32 and my sensors, I spent days just building random projects, tearing them down, and building something new. In a way, it was like electronic Lego.

The ESP32 is used to communicate with each of the sensors and allows for an external internet connection to a Home Assistant server to push collected data out.

Would you believe it, the ESP32 popular Wi-Fi and Bluetooth chip has a built-in Hall effect sensor. Espressif Systems makes the chip, and its ESP32 data sheet has nearly no mention of the Hall sensor ...

Any basic ESP32 will do as most of them support Bluetooth Low Energy, with notable exceptions being the ESP32-S2 and the ESP32-P4. You can add it on to an existing set up, or repurpose an older ...

Would you believe it, the ESP32 popular Wi-Fi and Bluetooth chip has a built-in Hall effect sensor. Espressif Systems makes the chip, and its ESP32 data sheet has nearly no mention of the Hall sensor ...