Fubarino-Contest: 1980’s CD Player with MPD

fubarino-cd-shelf-player

[Ronald] had to scramble to get his submission in, but we’re glad he did. His demo video shows the display of a 1980’s CD player working with Music Player Daemon. It’s really just the original display itself that works, but the project is not yet finished. However, is far enough along to show our URL when a track reaches the 22:00 mark.

The display is driven by an ATmega32 chip which uses a USB connection to receive commands from the computer running MPD. [Ronald] had troubles figuring out how to send int values over USB so he hacked his own protocol that just uses the LSB of each byte coming over the bus. After the break you can see the video, and read the description which he included with his submission. There is also a code package available here.


This is an entry in the Fubarino Contest for a chance at one of the 20 Fubarino SD boards which Microchip has put up as prizes!

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Classic 80’s Stereo Receiver Enjoys a Second Life as RadioduinoWRT

radio2[Raffael] had an old Broken Yamaha natural sound receiver lying around. Rather than throw it out, he built himself a slick web radio. He calls it RadioduinoWRT. [Raffael] started by removing all the internals – though he kept the front panel controls.  He then added an Arduino Mega to handle the front panel controls, including a 16×2 character LCD module. The Arduino also takes commands via IR remote. An enc28j60 Ethernet module allows the Arduino to communicate with a the brains of the operation, a TL-WR703N mini router.

A micro USB hub expands the single USB port on the WR703, allowing both a USB sound card and a 4 gig USB stick to be mounted. We’d like to add that the TL-WR703 is a must in this application – the amazon link [Rafael] provides brings up the TL-WR702 as a top link. Only the TL-WR703 has a USB host connection.

The real magic is in [Raffael's] software setup. The WR703 is running OpenWRT.  He added modules for the USB sound card, as well as expanding the file system onto the USB stick. Once that was complete [Raffael] added Music Player Daemon (MPD) and MPC, a console app to drive MPD. Lighttpd, a light web server provides an interface for the Arduino as well as a web front end to the entire radio.All this allows [Raffael] to control his radio in several ways. He can log in via any web browser on his network. He can use the front panel controls. He can use an IR remote. Since he is running MPD, any client (there are literally hundreds out there) will also drive the radio.

While a low-end USB sound card in a home stereo application does make our inner audiophile cringe a bit, the quality does seem to be pretty good. [Rafael's] design would make it simple to swap out a higher quality USB sound card if the need arises.

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Raspberry Pi as a Spotify server with MPD control

rpi-spotify-mpd-client

The Raspberry Pi has been very popular as a streaming music player. Sure, the only audio out option on the board is an analog stereo jack, but you can use a USB audio device to improve upon that if you wish. [Wouter van Wijk] wanted to use his RPi as a Spotify server. It’s a bit tricky to get everything configured for this, so he decided to give back by publishing a ready to use Spotify server image for the Raspberry Pi.

The project is call the Pi MusicBox. Like some of the RPi Pandora setups we’ve seen he included the ability to use the hardware as an AirPlay device too. To connect to the Spotify service he uses the Mopidy package. It can also play tracks from local storage (including the home network). It’s even capable of mixing the two sources in the same queue. Possibly the best part is that it can be controlled with any Music Player Daemon (MPD) client like the smart phone screenshots seen above.

If you’re interested, check out his GitHub repo for the project.

A simple touch interface for Music Player Daemon and more

mpd-controller

[Andrew] recently got the authorization to install Linux on his work PC, and he was looking for a way to control his music without relying on keyboard shortcuts to do so. Additionally, he wanted an unmistakable visual cue when he received messages in Pidgin, so he decided to build an external input/notification box.

The control box, quite literally, is a cardboard box in which [Andrew] crammed some components he got way back when from the crew at Seeed Studio. A Seeeduino serves as the brains of his control panel, interfacing with his PC over USB. He uses a set of 4 touch sensors and a potentiometer to control the MPD, allowing him to easily switch tracks, pause his music, control the volume, and lock his computer with a simple touch. A side-mounted RGB LED lights green to show that the system has received his commands successfully, pulsing a bright blue whenever a message arrives via Pidgin.

While the case isn’t exactly pretty, it is small, recycled, and takes up very little desk space. [Andrew] says that it works great, and he has made his code available on github if anyone is interested in using it.

WiFi streaming radio

wifiradio

[Jeff] is continuing to work on his WiFi streaming radio project and is now into part 7. The reason it’s taken so long is because he’s bothering to document every single piece of the system instead of assuming too much of the reader. The core of the system is an Asus WL-520GU wireless router. It is supported by OpenWRT and has a USB port for use with an external audio card. mpd, Music Player Daemon, is used for playback. This latest part features adding an LCD display for the current track. The router board already has points for the serial port, so it’s just a matter of adding an AVR to talk to the LCD. The next step is building a simple user interface and then boxing everything up. You can view a video of the display below.

[Read more...]

Asus WL500GP audio hack


The Asus WL500GP wireless router runs Linux and has two USB ports. [equinoxfr] wanted to install audio support internally to the router though (translated). Luckily, it uses a VIA VT6212 4port USB controller. So, he was able to wire two more internal ports. A Brando USB soundcard is plugged into one of those ports and wired to an external headphone jack. He wanted dual RCA connectors, but they just wouldn’t fit. The router is running OpenWRT Kamikaze. MPD is used to serve music with the wymypy frontend since it has its own lightweight webserver.

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