Are you rushing, or are you dragging? You’ll know for sure with these essential time-keeping devices from Boss, Korg, Wittner, and more The humble metronome is, at once, one of the most useful and ...

Using a Korg nanoKEY2 USB MIDI controller as base for the device, [Geordie] took it apart and added a Raspberry Pi Zero W, a power bank to, well, power it, and a USB hub to connect a likewise ...