The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

I've just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

This letter reports, for the first time, a molybdenum-disulfide (MoS2)-coated microwave gas sensor for methanol gas detection. A wideband monopole antenna, resonating at 2.45 GHz for wireless ...

In recent years, the challenge of poor selectivity in a single gas sensor has received significant interest. This work presents a facile method for the concurrent analysis of sensor temperature ...

Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

I built an indoor air quality monitor to monitor air temperature and humidity using the DHT22 sensor. It also has an MQ-2 gas sensor to monitor LPG, smoke, and CO molecules in the air. esp8266 udp ...

There aren’t any releases here You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

The development of photonic-based gas sensors using metal–organic frameworks (MOFs) and other microporous solids is often a multistep, complex process, typically involving MOF synthesis, purification, ...

Indoor air pollution poses a major global health threat, with complex chemical components and low detection standards being core issues. Due to intrinsic cross-sensitivity, a wide range of commonly ...