Tag Archives: ESP32

A Tiny Rocket Altimeter, Or How To Make Model Rocketry Slightly More Complicated

My 8-year-old has been into model rocketry for the past few years. Like a lot of good hobbies at that age, it has the right mix of building, anticipation, mild danger, and a satisfying countdown.

The only problem is that we live in Cleveland, and Cleveland winter is not exactly the most launch-friendly operating environment. Model rockets and lake-effect snow do not have a natural partnership. So for a good part of the winter, we talk about launches, plan launches, look at parts, imagine future launches, and wait.

A model rocket launch setup on a grassy field with launch gear nearby.
The launch-day setup, finally outside after a winter of planning. That on the mount is an Estes minimum diameter rocket called Hi-Flier

Somewhere in that waiting period, the project shifted from “let’s launch rockets” to “what if we could measure what the rocket is actually doing?”

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