These are some great DIY projects that you can do for cheap.

Roadways and transit allow cities to expand out, but elevators are the infrastructure that allows them to expand upward. More than 18 billion elevator trips are taken in the U.S. each year; more than ...

Pothole season, summer construction season or maybe bad weather. No matter the time of year, it's no surprise commuters who drive to work may start their day already feeling a bit on edge. Unlike a ...

What are the required elevator inspection types and timelines in the US and Canada? Regular elevator inspection and testing ensure elevators remain functional and safe to use daily. These inspections ...

Regular elevator inspection and testing ensure elevators remain functional and safe to use daily. These inspections must be performed by qualified personnel. Noncompliance can result in hefty ...

This is the SparkFun Arduino library for the Texas Instruments TMAG5273 low-power linear 3D Hall-effect sensor with I 2 C interface. This SparkFun Arduino Library for the Texas Instruments TMAG5273 ...

In a first-of-its-kind study, scientists found that bumblebees can tell the difference between short and long light flashes, much like recognizing Morse code. The insects learned which signal led to a ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.