Launch monitor using low-cost raspberry pi and camera hardware to determine ball launch speed, angles and spin. See https://discord.gg/vGuyAAxXJH (permalink)
PiTracLM
413
A device designed to detect cosmic rays (primarily muons) using a grid of Geiger-Müller sensors. Cosmic rays are high-energy particles originating from outside the Solar System, making this project a tool for observing their interaction with Earth's atmosphere.