I have ask early this year for some ides to start from but this is just to much for me to design and make on my own. Look at this post for what I was trying to build for myself. http://forum.allaboutcircuits.com/showthread.php?p=369672#post369672 But to explain maybe better I am looking at a display that can show data from various external sensors. The sensors would be pressure and temperature. One may be needed to show vacuum plus boost. I would have no problem using buttons to go up and down the display to show the data. Maybe show 4 items at one time but allow scrolling up and down through maybe 12 sensors. Last two buttons for up and down operation. I would like on the display to show the number 1 - 5 as you press the up button you go from 1 to 2 then to 3 on the next up press. With each displayed number a relay would be active so there be 5 relays. 1 for each number. Even changing the number to a word would be an option on the display. If programming a PIC is involved I would like to be able to modify things like change wording so well explained programming file would be of great help. may wish to add different gauge or change the position in the list. For sensors I be looking at all external added devices. It will not interface with any item on the vehicle. a couple fuel pressure sensors, a few temperature sensors, a boost pressure sensor, fuel or other liquid level sensors. Will be dealing with a 12volt auto power supply system which I read is not a very clean power source. So will have to clean that up for power supply. One last thing is if it be possible for it to retain the 1 -5 relay position after shutdown and restart. Thank you for any help or possible places to contact to work with me. Brian