A team from the University of São Paulo in Brazil have developed an open-source solution for monitoring marine habitats. The device, known as a Passive Acoustic Monitoring device, is a sonic spectrometer which measures underwater audio signals and records them, thus allowing researchers…
Category: Audio
Replacing a Chevy head unit with a Raspberry Pi
Daniel Stinebaugh wanted to replace his Chevy’s failing head unit with a Raspberry Pi. So, he ripped the old one out and fitted the Pi and a wireless router in it’s place. The Pi runs Volumio and he’s also using the DAC+ HAT from…
Reinvigorating a vintage radio with a Raspberry Pi
Gordon from IQAudIO has done a bang-up job at restoring his late grandmother’s vintage Roberts radio. He’s used one of IQAudIO’s own boards, the Pi-DigiAMP+ and a pair of small speakers to output music from a variety of online sources via Shairport Sync software…
Converting Twitter emotions into art with a Raspberry Pi
A few of the Raspberry Pi Creative Technologists attended the Art Hackathon in Greenwich on 16th-17th May and got together with some others to create a lovely art project. The project takes a Twitter feed, analyses the tweets for keywords…
Theatre intermission sound controlled by a Raspberry Pi
Scott Wegner operates the sound and lights system for his local auditorium in rural Minnesota. This often involves playing music into the foyer area to warm the audience up before the enter, as well as making announcements about when the show…
Vintage radio brought to life with a Raspberry Pi
Martin O’Hanlon is usually to be seen hacking around with Minecraft Pi. This time, however, he’s taken one of his wife’s collection of broken useless rubbish vintage radios, a Raspberry Pi, an IQaudIO audio board and amplifier and some other small parts and given it…
Camera beacon with solar panels and a Raspberry Pi
Instructables user hackbp has written a tutorial which shows you how to transmit an image over radio waves. He uses a method known as SSTV Martin 2 to convert an image into ‘lines’ which are then sent in binary form over…
Guitar powered by a Raspberry Pi and Arduino plays network logs
Ben Reardon saw a robot playing a classical guitar in 1988 at a World Expo in Brisbane, Australia. It stuck in his mind and he has now done his own version using a Raspberry Pi, an Arduino and some servos…
Raspberry Pi voice translator via Google and Microsoft
Wolf Paulus has taken his work on speech recognition further and has hooked up the recognition text received from Google Translate to the free Microsoft Azure translation service. He now has a Pi-powered voice translator! Read about it and watch a…
3D printed Spotify bear runs from a Raspberry Pi
Andreas Lindahl has 3D-printed a lovely bear and put it together with a Pi and some other components to create a cuddly Spotify player. Created as a way to get better at 3D modelling and printing, the bear has a…