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Posting radiation data online

Radiation is one of dangers you can’t notice. If you live in risky area you might want to have a radiation meter near by. Radu Motisan has been working on online remote radiation monitoring station. The idea is to monitor environment for radiation constantly and post data to web charts. Radiation is measured using sensitive SBM-19 Geiger Muller tube. Design is based on Atmega168 microcontroller and ENC28J60 Ethernet chip.

Plotting only radiation value seemed not very interesting so he added more sensors to monitor other parameters like temperature. Actually there are several temperature sensors used – DS1820 and DHT-11 along with humidity sensor. Ambient light is measures using luminosity sensor and pressure with barometer which comes with third temperature sensor. So there is a bunch of data continuously floating in to website in real time.

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