In the last year, we've been impressed by the Raspberry Pi. We believe that its capabilities and price point are a world changer.
We would like to bring to market, a flexible, low-cost ($35) data acquisition system for the Raspberry Pi. Our system brings an 8 channel, 200 ksps, 10 bit analog to digital converter to the platform. Notable hardware features include a programmable voltage reference, and user selectable AC or DC coupling. There are several software solutions available to acquire data, including a java based (multi-platform - Windows, Linux, Mac OS) Remote Scope Application, a Remote Spectrum Application, as well as command line applications to take measurements.
We think that the Raspberry Pi combined with the RAS-DAS-1 provides a low-cost way for students to conduct experiments and put the fun back into science and math. Towards that end, we are introducing an accessory card for the data acquisition system geared towards capturing audio data. It is called the Audio explorer, and includes 4 electret microphones (with the accompanying high-gain amplifiers), and audio input jacks to easily bring audio data into the RAS-DAS-1 and the Raspberry Pi.
With this system, students can perform science experiments such as measuring the speed of sound, use trigonometry to determine the direction a sound comes from, or determine how far away a wall might be by listening for echoes (using a type of sonar).
We are introducing a kickstarter campaign to bring this technology to market, and would appreciate any assistance you might provide in spreading the word.
http://www.kickstarter.com/projects/254558907/data-acquisition-system-for-raspberry-pi
