These are the projects I recommend building instead of just buying something off the shelf.

Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface, a set ...

Build and enjoy, ...

Espressif’s ESP32 microcontrollers come with a Flash encryption feature that when enabled ensures that the data and code stored on the (usually external) Flash chip is encrypted with AES-256 (ESP32) ...