On 10/21/05, caonmail@mweb.co.za wrote: > Hi All > > I designed a circuit about a year ago using the DS1803 dual digital pot. At the time I > looked around, and that was the best fit for my I2C requiremnts. However, the item is > really pricy at R25 (~$4) apiece. > > Does anyone know of a better choice chip for; > - I2C comms (essential) > - 50K device > - single or dual > - not about to go obsolete > - 256 steps > - operate on 5V In your circuit, is one end of the pot grounded? Regards, Mark markrages@gmail -- You think that it is a secret, but it never has been one. - fortune cookie -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist