Home Made Digital Tachometer for my Car with Gear Shift Warning LED

[pasanlaksiri]

Home Made Digital Tachometer for My Car
with LED Bar Graph and Gear Shift Warning LED

HI, THIS IS MY FIRST POST HERE

I build this tacho coz my car doesn't hv any factory fitted Tachometer. Even with the factory fitted Analog RPM Meter its hard to measure precise RPM Of the Engine. And digital Tachometers r really awesome. Thats y i build it


So guys please check it out and give me ur comment.

Making PCBs for Tacho









My Car Engine Controller Unit Schematic Diagram.
I use that 3rd pin of ECU. Its Directly goes to engine tacho sensor

Click This link to see bigger image
http://i146.photobucket.com/albums/r257/pasanlaksiri/Tachometer%20Hi%20Quality%20Pics/07-1.jpg



This is the CAR ECU Unit. And i play with it for a while.





Completed Tacho PCB















Some hard working stuff



This is how my desk looks like past days



Completed Tachometer



















YouTube Video Click Here >> http://www.youtube.com/watch?v=AGCOyLuSmLs

This is the Silicon Chip Project Link: http://www.siliconchip.com.au/cms/A_102835/printArticle.html

CLICK HERE TO DOWNLOAD PROJECT SCHEMATICS AND PIC CODINGS

http://rapidshare.com/files/122870939/Tachometer.zip.html