All posts in the 'Audio and Video' Category
Posted on 02 Apr 2008
This is a musical sensor interface using the CREATE USB microcontroller: a hybrid network of tangled audio technology, based around turntable decks, guitar strings and optical sound designs.This project wanted to merge several of the most crucial audio technology inventions from the previous century into a hybrid object. The inspiring technologies include the phonograph, optical sound on film, the amplified guitar, and the computer. Each represents a different approach to generating, transmitting and/or encoding vibrations, from the spatial through the electrical and optical to digital bits, and each with its own expressive leverages and characteristic morphologies. This project embodies a continuum of audio technology interaction from the most physical hands-on of the vibrating string, to the abstracted turntable control of pre-recorded data, to non-physical control data in optical and electronic form, and finally to the completely abstracted and malleable digital domain. [more]
Posted on 18 Mar 2008
This project is fun for someone with intermediate to advanced electronics skills who wants to make cool sounds. It makes a great first synth project but is interesting enough for the seasoned synth person too. The board includes 1V/oct scale adjustment trimmers for the oscillators You will get a couple (maybe three) octaves of in tune scale. The Sound Lab Mini-Synth is a LOT of fun to play with and makes some very cool sounds. If you like electronic music you will definitely have fun with this. If you have a sampler you can use this unit as an analog synth sound source to make excellent samples with.[more]
Posted on 10 Mar 2008
This project was designed and implemented an electronic phone directory which has a built-in automatic dialer. The electronic directory allows user to Dial, Enter, Search and Delete entries. When dialing, the Atmel 8515 microcontroller will generate the Dual Tone Multi Frequency (DTMF) signals corresponding to the phone number being dialed. To avoid building the phone circuit for the dialer, a DTMF decoder was used to detect what number is dialed by the user.[more]
Posted on 10 Mar 2008
Monitoring several cameras on one monitor is usually done in one of two ways: divide the screen into sections and show them all at once, or time sequence the cameras onto the whole screen.This device uses the second method (which, if you don’t already know, requires about 100 times less parts), but adds motion detection to switch cameras.The usual way to detect motion is to store a complete video frame and then look for changes on successive frames. Again, a lot of trouble can be saved by only sampling 64 locations on the screen at a low resolution (i.e. just using the A/D in the PIC).[more]
Posted on 13 Feb 2008
This project supports both RDS (Europe) and RBDS (USA) Tuner FM band 88..108 MhZ (Europe and USA.)The schematic consists of two major subcircuits:
- The actual RDS/RBDS Decoder(TDA7330) with the PIC18F452 and the 4×20 LCD display
- The FM Stereo tuner with headphone amplifier.
You can choose between a 4×20 character LCD or a smaller graphical LCD to display data. A simple RS232 interface can also be used.[more]
