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… ...

With minimal wiring to the joystick's internal PCB, you can connect it to an ESP32-based board like the M5StackPlus1.1, which conveniently provides five exposed GPIO pins (3 on top, 2 on the ...

Solder the pins that came with the ESP32 onto the board. Insert the ESP-32 into the breadboard following the wiring diagram below. Connect the pins following the wiring diagram below. Take note that ...

Discovering undocumented commands in ESP32. In their RootedCON presentation, the Tarlogic researchers explained that interest in Bluetooth security research has waned but not because the protocol ...