Bob, Is this something you or someone else developed? Cheers, -Neil. On 1/2/2016 2:16 PM, Bob Blick wrote: > Hi Rossano, This is a food dish that only opens for the chosen cat or=20 > cats. A little expensive but it's probably been tested and debugged. I=20 > have several of their pet doors and they work pretty well. One of them=20 > even has a PIC in it :) If nothing else, watch one of their videos to=20 > get some ideas. RFID readers and hobby servos are cheap!=20 > https://www.sureflap.com/en-us/pet-feeder/microchip-pet-feeder Hope=20 > the link works for everyone, they have geolocation in their web server=20 > and although they are a British company I can only see their US site.=20 > Happy new year! Bob=20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .