that url / server seems dead to me... anyone got it working ? From: "zantos" > http://www.epanorama.net/telephone.html#circuits > is a good start. I did something very similar with a PIC16F873, HT9170 DTM > decoder. > HTH -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads