Making music can be an expensive hobby, particularly if you don’t set limits on the equipment you’re willing to shell out for. That’s the fate musician Alex Coover, aka Glacial Geyser, came close to ...

[Kerry Wong] comes across the coolest hardware, and always manages to do something interesting with it. His widget du jour is an old demo board for a digital RF attenuator chip, which can pad a signal ...

The FM receiver module is based on the TEA5767 [1, 2] chip. It is a well-known module that could be controlled via the I2C bus. It covers the FM frequency range from 76MHz to 108MHz. At the output, it ...

TheMIDInator MIDI controller has been created by Switch & Lever using an Arduino Mega with its 54 digital IO and 16 analog pins to provide a wealth of inputs enabling data to pass onto a digital audio ...

Arduino has found its way into yet another musical device. I came across the ‘UFO’ while in Berlin. It’s a MIDI controller that lets you compose music or control synthesizers by waving your hands ...

Some of our readers might remember the Controllino PLC Arduino open source Internet of Things controller we featured here on Geeky Gadgets back in March of this year. Unfortunately back then their ...

With surface-mount technology pushing the size of components ever smaller, even the most eagle-eyed among us needs some kind of optical assistance to do PCB work. Lots of microscopes have digital ...

AC loads are everywhere around us because at least home appliances are supplied with the mains power. Therefore, we always face the situations that we want to have full control (dimming) over an AC ...