Category Archives: Hardware

Universal Volume Control

The WD media player is an excellent player for all kind of movie files – but it lacks one important feature: volume control. I’ve hooked up a pair of Bose speakers directly to the WD and can only change the volume on the Bose device. This is very unpractical e.g. when working out. Therefore I’ve created a device that can control the volume via any IR remote control. I use the WD remote control’s up and down buttons to control the volume via two digital potentiometers. Everything is connected to a PIC micro controller that operates the whole device.  Continue reading Universal Volume Control

Carousel barrel organ and Blue Mikey iPhone Microphone

I bought a Blue Mikey microphone for iPhone/iPod to do recordings of concerts and other events. To test it out, I went to a local carousel and made a recording of the barrel organ. I used the free Blue Fire software and started recording. I’m pretty impressed by the sound quality. There was quite some wind and a lot of noise from the people around.

I used Audacity the reduce the rumbling noise from the wind – other than that, it’s the original recording. Check it out (mp3)

The next time I’m going to visit the Musikautomaten Museum in Seewen, I’ll also bring this along and do a couple of recordings.