its all fairly well documented in the draft assignment on that page i believe basically the camera runs on 3.3V with the trigger and the buttons on the beack being active low inputs. the pic i was using was running on 5V basically all i did was set the pins that drove the camera to inputs (use the schmit trigger pins so there is no smoke) then set their outputs to low (while they were still set to input) then to trigger i made the pins outputs for a little while. ie pulling the cameras circut to ground. that was how my specific camera worked -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of redtock8 Sent: Tuesday, April 20, 2004 10:48 AM To: PICLIST@MITVMA.MIT.EDU Subject: Re: [PIC:]Rocket camera timer Jake, how did you interface to the camera? I would like to do this Al -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body