I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...
midi2cpp is the layer where a sketch meets the protocol. Plug a board into the laptop, write five lines of C++, flash, and the device appears on the bus as a USB MIDI 2.0 endpoint with full Capability ...
Determine whether the human body exists, and its anti-interference ability is relatively strong, and it is not easy to be affected by factors such as temperature changes, environmental light changes ...