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 ...

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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 ...

Highly sensitive and reusable sensors for detecting harmful gas molecules are particularly important to reduce their harmful impacts on human health and the natural environment. Based on the density ...

Contribute to m-a-cruz/arduino_gas_sensor development by creating an account on GitHub.

Contribute to ganeshlenka7/Gas-Sensor-Code development by creating an account on GitHub.

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 ...