If you're a homeowner, you've almost certainly dealt with your fair share of maintenance issues and emergencies. However, there are few things as alarming as plumbing problems, such as leaks, floods ...

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 ...

Life doesn't always run to schedule.

Aqara makes a range of HomeKit-compatible smart home devices for multiple regions around the world. This review takes a look at four of Aqara's latest products, including its Temperature and Humidity ...

Sometimes we need a non-contact liquid level sensor. There are several ways to build that, but the easiest is to try an optical liquid level sensor. You may already have an idea in mind since you are ...

A well-designed product that adds a new aspect of protection to Ring’s home security systems, the Ring Flood and Freeze Sensor works as advertised. But it’s not unique by any means, and it requires ...

The MLX75308 Rain Light Sensor interface chip is a very flexible chip with lots of registers to adjust. With all these registers to adjust it can be difficult to find the right settings to get the ...

This water sensor’s use of outlet power is both a curse and a blessing. Where competing smart water sensors have zigged, D-Link has zagged with its DCH-S160 Wi-Fi Water Sensor. The biggest ...