Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

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 ...

For decades, the pulse oximeter; a small clip-on device used to measure oxygen levels in the blood has been considered a universal lifesaver. From surgery theatres to neonatal wards, it's a frontline ...