I am looking for a way to interface a backup camera so that when the car is in reverse it will automatically go to the backup cam screen. I know how to wire it into the car (pretty easy actually) just need to hook it into the backup lamp wire. But what is an easy and fairly inexpensive way (I.E. No phidgets since a solution would be like $100+ probably) to have the computer determine when the circuit is turned on so that it can activate the backup cam.
2000 Subaru OBS
Dell P3 @ 900 Mhz
7" Lilliput TS w/DigitalWW in-dash mount
80GB External HD
I am Zero Bitrate....
well, a relay i guess. ummm, a relay with software?
eg, 12v from rear illumination (reverse lamp) turns on relay, closes a switch, turning the camera on.
software determines when camera is turned on, and cuts to cam view when it is on
that is easy, you just gotta get someone to wrie the software
on that note, you could have a kinda double circuit. what I said above, except the relay is a SPDT relay, closing a switch turning the cam on, and shorting 2 pins on the comp/LPTI port. the shorting of the 2 pins would launch your rearview app, or would act at a 'hotkeyy press' for whatever you want. speak to weekendowel, i know he can do software like that.
Depending on how expensive the serial option is that might be worth a shot, writing the software isn't a problem. I decided to take a look at phidgets for just the voltage sensor its $17US. Not too bad the USB interface is the expensive part but may not be too hateful if I decide to hook it up to my AC and control that as well. It would bring the cost to $68 plus the cost of the servos for the AC. so total cost of controlling AC and rear cam would be about $122.
lol! I already told him to do thatOriginally Posted by 0l33l
psh - effectively the same method (although what i meant was about asking owel )
now thats just spamming lolOriginally Posted by 0l33l