Looking for a hands-free way to page through sheet music on an iPad, [The_Larch] came up with this simple Bluetooth input device based on the ESP32. The microcontroller just needed to have two ...

Building an indoor positioning system requires technology beyond GPS. While GPS trackers excel outdoors, indoor positioning systems need Ultra-Wideband (UWB) technology to achieve centimetre-level ...

Commercial Bluetooth pedals, designed to allow musicians to flip pages of sheet music on a tablet, have the sort of inflated price tag you’d expect for a niche electronic device. Rather than forking ...