CHAPTER 14Radon Detector

Introduction

This project could save your life. How’s that for an attention grabber! Radon, as most people know is a radioactive gas that can be present in homes and that often goes undetected. This project couples a Geiger counter with the RasPi to measure and display the level of radioactivity in the monitored space. I will present plenty of background information so that you may learn precisely what radon is, how it is created, at what levels it is acceptable, and at what levels you should take some action.

The Geiger counter used in this project was built from the Velleman kit number K2645 and is shown in Fig. 14–1. This popular Geiger counter kit has been previously incorporated into other microcontroller projects, ...

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