<color><param>0100,0100,0100</param> Hi ! I put the current the design on our SourceForge page. Check it out !<FontFamily><param>Symbol</param> <FontFamily><param>Arial</param>Beware, it's not tested yet. You also need the EAGLE software which you can get for free at htttp://www.cadsoft.de to print/edit circuit files and layouts. It's a modular version consisting of the analog amplifier 2-channel PCB and the digital uC PCB. Please look and suggest improvements. Especially for the Disclaimer. Have fun, Moritz<FontFamily><param>Symbol</param> <nofill> ---------------------- Moritz von Buttlar moritz@v...