Mechaduino is a board that sits on a regular stepper motor and turns it into a servo with a closed loop control of 0.1degree. Whenever we post something about using cheap brushless motors for ...

It had been several years since I had been able to be seen. They made sure I had enough reminders of my upcoming appointment and exam. My wait was short, they called me by name and remembered me ...

With 4+ years covering health and eye care products, we consider power, price, shipping and return policy to determine our roundup of the best places to buy reading glasses.

If you want a simple and easy introduction to stepper motors, check out the [IMSAI Guy]’s short video where he designs a very basic stepper motor controller and packs in a lot of quick lessons ...

It’s staring at a screen for hours without breaks. That’s why Khurana doesn’t recommend any special eyewear for daily computer use. “Ultimately, I’m not really sure how it’s going to ...

Here’s how it works. The best digital photo frames effortlessly display your latest memories. Most are connected to the internet, making them one of the best smart home devices you can buy (or ...

The best blue light glasses effectively filter blue light, reduce glare, and provide comfort for all-day wear. Jaylyn Pruitt has been working with Dotdash Meredith since May 2019 and is currently ...

Some experts will tell you that the human eye can see between 30 and 60 frames per second. Some maintain that the human eye may be able to see much more than that although more research is needed.

Innovative Eyewear, Inc. develops and sells smart eyeglasses and sunglasses. The company’s flagship product is Lucyd Lyte glasses that enable the wearer to listen to music, take and make calls ...

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...

Glasses and sunglasses can be at once ubiquitous and extremely memorable. Try picturing Mahatma Gandhi or Malcolm X without their signature frames. Vivienne Westwood once quipped that she couldn ...

Perfect for gifting, our favorite digital photo frames let you showcase all of your art and snapshots throughout your home. I’ve been PCMag’s home entertainment expert for over 10 years ...