PH4502C Sensor Arduino Library This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The ...

This study presents a novel high-performance acetonitrile terahertz (THz) gas sensing system based on a flexible, low-loss Ag/PP THz hollow waveguide (HWG). The mathematical model of the established ...

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 ...

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, ...

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 article presents the design and development of a gas acquisition and control system utilizing the PIC16F877 microcontroller in conjunction with an MQ2 gas sensor and a Type K thermocouple for ...