Turn a Digispark ATtiny85 USB dongle into a USB volume control knob for under $5 in parts. Rotate the knob to adjust volume, press to mute. Works as a standard USB HID Consumer Control device — no ...
Sure, countless microcontroller development boards featuring a USB connection have made it to the Projects and Tutorials pages of Electroschematics. Although these days it really is easy to build your ...
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