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2024-10-15

A Simple Laser Harp MIDI Instrument

ESP, Feeds, Projects ESP32, sensors, Tech 0

Craig Lindley, a technical author and passionate maker, embarked on his first project to create a laser harp MIDI device after being inspired by a three-string version he saw while on vacation. Determined to improve the concept, he expanded it to twelve strings. The operation is quite simple: twelve inexpensive […]

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2024-10-01

Your ESP32 As A USB Bluetooth Dongle

ESP, Feeds, Intermediate, Projects ESP32, intermediate, sensors, Tech 0

Dakhnod has demonstrated that an ESP32 microcontroller can serve as a Bluetooth interface for a desktop computer, communicating over the USB interface through the Host Controller Interface (HCI) protocol. HCI is a set of standardized commands that allow a host computer (e.g., a desktop) to communicate with a Bluetooth device. […]