Been playing with electronics. Here’s my original “Odometer”
Waiting for production samples of the board. It’s smaller, powered by 2 AAA batteries mounted to the back 'stead of the big green battery box and has 3 pushbuttons mounted on the board. The kit should sell for $50, all ready for you to mount into any car you like. You calibrate it to match whatever wheels you have on your car in one easy step. For prototyping, I’ve gotten pretty good at making PC boards for tiny SMD parts. My oscilloscope:
A very useful tool. It was designed to mount in your “breadboard,” but since going to surface mount, my breadboard doesn’t get much use. Decided it would be handier if I could just grab it and hook it up. It is much handier this way. I etched and copper plated the altoids tin myself:
I was trying for a “steampunk” look. Couldn’t get the copper polished like I had in mind, but it looks pretty cool in person. Of course, I have goobered a few things up: Don’t forget to reverse the design before transfering it to the PC board:
