On Tue, Aug 2, 2011 at 6:29 AM, wrote: >> We have a device with four LEDs, and we'd like to make sure the LEDs wor= k. >> Visual inspection at the factory, proved to be unreliable. Does anyone h= ave >> experience with reasonably priced machine vision systems that can be >> configured to perform this sort of test? >> >> All we want to know, is whether the LEDs turn on and off. Making sure >> they're the right color is a bonus. > > Webcam ? > > Board should be in a jig to get it correctly placed under the camera. Sof= tware then checks to see if light appears at correct time within given regi= on. > > With a colour camera it 'should be possible' to 'just' take a snapshot JP= G and process that to look at each colour plane for the same information to= determine colour shown. > > > -- > Scanned by iCritical. > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > If LED's are not continuously on (some sort of pwm or case-dependent-operation or LED's lid up individually for individual cases) taking snapshot of the led's won't work you need to capture lots of jpegs in time domain (movie) to compare results. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .