A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

If you need to track your glucose daily, you probably want a pain-free option. Besides pricking your finger, there are now wearable devices that are placed on your arm and connect to an app on your ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

The five-point harness on your baby's stroller, car seat, or high chair is a critical safety feature. Here's what to look for, according to CR's safety experts.