https://student-wiki.eolab.de/ 2026-04-17T10:33:35+00:00 https://student-wiki.eolab.de/ https://student-wiki.eolab.de/lib/tpl/dokuwiki/images/favicon.ico text/html 2023-01-05T14:38:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://student-wiki.eolab.de/doku.php?id=amc2021:groupl:code:carbon_dioxide_measuring&rev=1672925936&do=diff For Carbon Dioxide detection in air This code communicates with the MQ135 air quality sensor with the help of the MQ135.h library. The sensor is supposed to preheat for 24 hours before taking readings. Once the code runs, it prints out the concentration of detected gases in ppm on a serial monitor, and the results are displayed on an LCD screen. An alarm system (LED light) is also set to glow if the CO text/html 2023-01-05T14:38:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://student-wiki.eolab.de/doku.php?id=amc2021:groupl:code:sound_detection&rev=1672925936&do=diff For noise disturbance detection in the environment This code monitors the sound intensity using an LM393 sensor connected to an Arduino UNO board. The used sensor has only a digital output. Therefore, the number of times the sensor detects a sound is summed up over a sampling time called text/html 2023-01-05T14:38:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://student-wiki.eolab.de/doku.php?id=amc2021:groupl:code:start&rev=1672925936&do=diff Arduino Code * To measure the level of Carbon Dioxide * To detect noise in the environment