humi=chr[0]*128+chr[1]*64+chr[2]*32+chr[3]*16+chr[4]*8+chr[5]*4+chr[6]*2+chr[7]; //温度，8位的bit，转换为数值 temp=chr[16]*128+chr[17]*64+chr[18]*32+chr[19 ...

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 ...

Arduino libraries, like libraries for other programming languages, help easily extend the range of functions available to users in the standard integrated development environment (IDE). They are ...

Given the increasing naval activities by China and Russia, the Japan MoD is exploring UAVs’ capabilities to take over the vigilance and surveillance. Japan and the U.S. appear to be moving fast to ...

Among all the Arduino boards, the Uno is most folks' go-to choice, and for good reason. It's the perfect platform to get started with Arduino, it's capable enough to handle a wide range of tasks, and ...

Abstract: Indoor pollution is a major cause of worry in homes and other enclosed environments. It is possible that prolonged exposure to the residues of heavy metals and particulate matter released ...

Arduino sketch for smarthome air quality sensor with MQ-135 and NodeMCU. Reacts to CO2 and other gases. Arduino programming. MQTT-compatible for connection to common smarthome systems.

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

An Arduino and a data radio can make a great remote sensor node. Often in such situations, the hardware ends up installed somewhere hard to get to – be it in a light fitting, behind a wall, or ...