Click the blue text Follow us Semiconductor-based, multi-gas, affordable solution for graduation project “electronic nose”. 1 Module Introduction The MQ series is a semiconductor gas sensor,multi-gas selectable (MQ-2 for smoke, MQ-5 for combustible gases, MQ-135 for air quality, etc.), powered by 5V, with analog + TTL dual output, an affordable solution for graduation project “electronic … Read more
1. Core Application Scenarios– Wafer Preparation: Regulating workshop temperature and humidity to ensure silicon wafer purification accuracy and avoid impurity interference.– Process Processing: Adapting to core processes such as photolithography, etching, and thin film deposition, providing stable gas source control for process accuracy.– Wafer Cleaning: High-pressure clean air blowing across the wafer surface to remove … Read more
According to MEMS Consulting, a research project in Europe is developing a palm-sized gas sensor and analyzer that can be installed on streetlights to detect various toxic gases in real-time. The project, named “PASSEPARTOUT,” is led by Munster Technological University in Ireland, with a total budget of 6.9 million euros, and is scheduled to conclude … Read more
For more in-depth information and reports on the sensor industry, to understand sensor technology, sensor and testing technology, IoT sensor technology, and other sensor knowledge, please follow the Sensor Expert WeChat public account and set it as a star to view past content. Sensors are an important component of smart home systems, similar to the … Read more
Recently, Shenzhen Seeed Technology Co., Ltd. launched the Grove Multi-Functional Environmental Sensor Module, which utilizes Sensirion’s innovative SEN54 and SEN55 environmental sensor modules. This product has significant technical advantages and market application value.The Grove Multi-Functional Environmental Sensor Module is a sensor module that integrates multiple environmental parameter measurement functions, suitable for HVAC and air quality … Read more
Since May, conversations like this have frequently appeared in the “Hongdong County Air Quality Dispatch Work Group”: “Environmental Protection Bureau’s Lu Gang: The wind is blowing northwest, and there is a rising trend in PM10 levels. Please have the construction department inspect the pollution sources at the upwind construction sites.“ “Construction Bureau’s Han Jianfeng: @Environmental … Read more
The air quality inside a car is crucial for the health and comfort of passengers, and in-car air quality sensors play a key role in this. Below, we will detail the working principle of in-car air quality sensors and methods to improve air quality inside vehicles. Working Principle of In-Car Air Quality Sensors In-car air … Read more
Monitor air quality using a Raspberry Pi, a cheap sensor, and an inexpensive screen. — Stephan Tetzel About a year ago, I wrote an article on how to measure air quality using a Raspberry Pi and a cheap sensor. We have been using this project at school and privately for the past few years. However, … Read more
Gas Sensor (MQ-135) The working principle of the MQ135 gas sensor is based on the adsorption of target gases by semiconductor gas-sensitive materials, which changes the resistance value. The sensor contains a sensitive element and a heater, with the sensitive element typically made of metal oxide semiconductor materials, such as tin dioxide (SnO2). When there … Read more
Click the blue words to follow us 01 Determine Welding Process There are many grades of stainless steel. According to the alloy composition, it can be divided into chromium-based stainless steel and chromium-nickel stainless steel. According to the metal structure of stainless steel, it can be divided into austenite type, ferrite type, martensite type, etc. … Read more