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.

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

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 ...

A local shop owner reveals the unexpected costs a Honda Accord owner faced by skipping the dealership and bringing his car to ...

A team of engineers at Rice University has developed a tiny new sensor that could dramatically improve the safety of self-driving cars on public roads. This is a compact, low-power millimeter-wave ...

Ikea's new home security kit feels right at home when it comes to basic protection -- and it's refreshingly easy to use.

Top OBD-II scanners for DIY mechanics range from the Motopower MP69033 to advanced tools like the Innova 5610 and BlueDriver Bluetooth Pro.