So after I got those made, I cut out a page from a magazine to print the traces on.
Then I ironed the traces onto the cleaned board. (I used RadioShack's "Printed Circuit Board Design Kit" Part Number 276-1576.)
Then I soaked the board in the sink with a little soap in the water. Once the paper was softened, I started pealing it off and then rubbed the remaining paper off to reveal a masked board.
After I cleaned it up by using a sharpee to ensure the mask was good in some of the thin spots, and an exacto to scrape the toner that blead a bit making some of the traces get a bit too close, I soaked the board in the Ferric Chloride solution. Then rinse (a lot) and cut the boards apart to make 6 individual boards.
Next I drilled the holes in the lands.
Then I populated the board with the components.
The grease on the back is actually flux.
Then I soldered the components.
Then I soldered on the wires, red +, Black -, green signal.
There you have it, a custom board for your Speed Pulse Generator.
Multiple boards just ready to be populated.
Now, since I have both a Camry Hybrid and a Tundra with navigation, I decided to make two of these. I just need to install them now.
I plan to run down to the local electronics parts house (EPO, Electronic Parts Outlet) and get some large heat shrink that will fit over the board instead of installing it in a project box. That is why I tried to make the board as small as possible. I had thought about potting it in epoxy, but think the large heat shrink will be better.
One other item I changed was the capacitors. I decided to use axial lead capacitors to keep the body closer to the board and it just worked out better with my trace routing. (Also, the local RadioShack did not have 4 22uf radial lead caps in stock, but had 4 axial lead caps in stock.) The part number for the axial lead 22uf capacitor is 272-1014.