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 ...

A hackerspace is a place that generally needs to be accessed by a wide group of people, often at weird and unusual hours.

The sendEmail () function is responsible for triggering the email alert when an object is detected. A secure Wi-Fi client is ...

I've reviewed security systems from all major brands. Here are my most important recommendations when you're ready to set up your own.

Smart garage door openers offer many benefits, but installation can be tough. This picks make it a cinch to add voice and ...

This home security system deep-dive is one of nine features in AD PRO’s 2026 Interior Design Forecast, our survey of the decorative trends and industry shifts shaping luxury interiors today. Access ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Elissa Sanci Elissa Sanci is a senior writer who has reported on label makers, ...

No one likes getting up in the morning — unless you're an early bird — but a good alarm clock makes waking up just a little easier. We've tried dozens of alarm clocks, from the gentle, gradual ...

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

Alder Security offers home security systems for those who want basic coverage. The company is known for its fast response times. Alder bills itself as a simple home solution that doesn’t go over the ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...