At 12:15 PM 2/1/2003 +0200, you wrote: >Use linear interpolation between the lower values in the table. The user >won't notice if the steps are close enough already. Note that a user who >knows what he is looking for can discern 0.5% light changes in certain >ranges (8bit da). Another way to remove the tick-tick-tick is to slow down >the changes, either using external RLC elements or in software. Allowing you to use a higher resolution PWM below the visual CFF frequency. >Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads