Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

BMV080 is a low-power, low-cost PM1, PM2.5, and PM10 sensor module with I2C and SPI interfaces that sells for just $29.90.

Your internet-connected TV has Automatic Content Recognition (ACR) features that track what you watch. Here’s how to disable it, along with smart privacy advice from security experts.

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

Follow the process of building a robot with vision capabilities using cameras, sensors, and programming. Learn how robotics, computer vision, and engineering combine to create a robot that can see ...

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 ...

Advances in embedded systems and sensors have enabled efficient, intelligent surveillance solutions that improve safety and ...

Loading cement sacks into trucks requires precise counting for traceability, yet manual methods are error-prone and often ...

If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

In recent years, integrated platforms equipped with microcontrollers (with Arduino probably being the best-known brand) have been gaining popularity.

Researchers in Spain have developed a dual-condenser air-to-water heat pump that shifts domestic hot water production to daylight hours, maximizing PV self-consumption. The prototype boosted solar ...