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 ...

Did you know the ESP32 can be a USB host? Well it can, and [Volos] uses host mode to build this fun little word processor. The venerable ESP32 has a well-known USB device mode. Anyone who has progr… ...