These are mostly for one channel only, but works much faster than you would expected, so you may can modify the code to get a multichannel thing: USB, you can buy it as a kit, but I am not sure it's status whenever he's still selling it: http://www.scopedem.com/ This one is based on SX chip (very fast, but you would need an external A/D): http://www.piclist.com/techref/scenix/sxoscope/index.htm This is an RS232 one: http://semifluid.com/PIC12F675_Oscilloscope.php ...and a USB version from the same guy: http://semifluid.com/PIC18F2550_usb_hid_oscilloscope.php Tamas On 24/10/06, Michael Rigby-Jones wrote: > > Does anyone know of a *cheap* data aquisistion unit, either serial or USB > with 4 or more (idealy 8) analog inputs? Doesn't have to be particulary > fast or high resoltuion (100ms sampling, 10bit would be fine). Digital > inputs/outputs useful but not mandatory. Don't mind a kit or unhoused PCB > etc. as long as there is host sofwtare available. I know I could knock up > something with a PIC etc. but I just don't really have to time to do that > right know, though I might have to if I can't find anything suitable. > > Thanks > > Mike > > ======================================================================= > This e-mail is intended for the person it is addressed to only. The > information contained in it may be confidential and/or protected by > law. If you are not the intended recipient of this message, you must > not make any use of this information, or copy or show it to any > person. Please contact us immediately to tell us that you have > received this e-mail, and return the original to us. Any use, > forwarding, printing or copying of this message is strictly prohibited. > No part of this message can be considered a request for goods or > services. > ======================================================================= > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- unPIC -- The PIC Disassembler http://unpic.sourceforge.net -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist