The repeated use of tear gas by federal immigration officers in Chicago has renewed a debate about how chemical irritants should be used by law enforcement personnel. By Mitch Smith Federal agents ...

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National Key Laboratory of Advanced Micro and Nano Manufacture Technology, Shanghai Jiao Tong University, Shanghai 200240, China Department of Micro/Nano Electronics, School of Electronic Information ...

This Arduino project effectively monitors temperature and gas levels, providing immediate feedback through visual (LEDs) and auditory (buzzer) alerts. By using the LM35 and MQ-2 sensors, the system ...

A simple project by using different sensors such as gsm module, gas sensor(MQ) ,wifi module ,relays to automate home, get call and message from gsm module. User account access using raspberry pi.

Abstract: LPG is an alternative fuel used for daily use. Due to its low cost and ease of installation. This article covers an Arduino-based gas detection system that uses an Arduino UNO R3 board and ...

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