Tube: VA-Z431 Geiger tube

Radu Motisan is a software engineer and technology enthusiast with a strong background in embedded systems, IoT, and environmental monitoring solutions. He is the creator of the uRADMonitor project — a global network of air quality sensors designed to provide open, real-time environmental data. Passionate about open-source development and innovative projects, Radu specializes in designing reliable hardware-software integrations, including weather stations and sensor networks. He shares insights and code to help the community build smarter, more connected devices.