How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
XDA Developers on MSN

I built a ghost-proof ESP32-powered presence sensor and here's how it works

Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...
Lifehacker

Every Type of Smart Home Sensor (and How to Use Them)

Smart home automation is the ultimate life hack, in my humble opinion. Whether for efficiency, accessibility, nerding out, or just plain laziness, all you need are smart home devices and a little ...
EDN

Here’s how to make a body temperature sensor for staying safe on cold days

Colder weather is fast approaching, which means keeping a careful eye on your body temperature if you spend a lot of time outdoors. Winter’s risks toward your body include frostbite and even ...