modified speedometer ckt

hi guys
iam kinda new to thses ckt making.
me and my friend making this the digital speedometer ckt. https://www.electro-tech-online.com/custompdfs/2006/06/529384f1.pdf
for soldering purpose i modified the above schematic as below.pls have a look and let me know if something wrong in it
thanks
**broken link removed**

waiting for replies :-(

hullo, i saw something like this on another forum, they are based on the same diagram so nothing should be rong with this...i think, but i do mostly train wiring so i can;t be sure

ta