The linked repository doesn’t tell us which of the ESP32 ... s made a Bluetooth dongle in this way, but we’ve certainly seen sniffing of HCI commands to reverse engineer a speaker’s ...

In the ESP32 module the built-in DAC and ADC are used for audio in and output, which provide just about enough resolution for voice communication. So why use ESP-NOW rather than WiFi or Bluetooth?

The 9x9x9 LED Cube is a versatile platform for 3D light-based visualization, interactive applications, and gaming experiments. Its modular design, BLE support, and custom rendering capabilities make ...