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 ...
Spring showers may bring flowers and sunlit afternoons, but they also bring moisture that creeps into walls, ceilings and ...
Temperature sensors are an important yet often overlooked part of a HomeKit setup. Even working as a passive tracking device, I want to add them to every room to understand more about what’s happening ...
Xiaomi has introduced a new gadget for smart home enthusiasts: the Mijia Smart Temperature and Humidity Sensor 3 Mini. The compact climate tracker is now available for crowdfunding on Xiaomi Mall and ...
David Nield is a technology journalist from Manchester in the U.K. who has been writing about gadgets and apps for more than 20 years. He has a bachelor's degree in English Literature from Durham ...
The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...