Arduino H.O. scale dragway finished

Here is our Arduino dragway built around the Mega 2560. I wanted to share this for others building a scale dragway. I have attached the code we used below, it’s entirely public domain. As soon as I finish the schematics for this project I will update the post.

Dragway (2.18 KB)

Dragway (1.1 MB)

Dragway (762 KB)

cool. any videos of it in action?

I have posted a video of the dragway here

Cool! 0.5xx second ETs… Reaction time is a huge factor! Need to work on a launch controller? :grin: