In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...
Abstract: This paper examines the effectiveness of a novel septic tank monitoring system utilizing Arduino and MQ-2 gas sensors. The primary objective is to enhance safety and improve maintenance ...
The library gives control over up to 16 parallel working PIR devices over I2C. The idea for this library came up in a discussion about how to fully cover an area with PIR sensors without blind spots ...