I would use the ardunio to take pictures. I made a 3 stage 38 years ago made the paper Kansas city Kansan front page even first 12 year old to make a 3 stage it fired all of them. And i lost it so I would of like to had tracking.
I fired mine with the car battery
Here this may help you http://www.apogeerockets.com/education/downloads/newsletter91.pdf