In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jon Chase Jon Chase is an editor of smart-home coverage. For Wirecutter, he ...

People with Android devices have been able to unlock their cars with their phones for years now. But when it comes to the front door of your home, it isn't as simple. You still need a smart lock with ...

US software company OpenMind, according to founder and CEO Jan Liphardt, caused a commotion last year at a park in San Francisco where the firm shot a promotional video. “A crowd of people came, ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that ...

Have a major deliverable coming up that involves lots of people and tasks? The top project management apps we've tested can help you keep your team on track. I'm an expert in software and work-related ...

Although the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In ...

We may receive a commission from our partners if you click a link and purchase a product or service. This does not impact the ranking, though, as we maintain editorial independence and evaluate ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Rachel Cericola Smart strip lights can put some pizazz into an office, kitchen ...

1. Use ChatGPT Without an Account If you already use ChatGPT, you may have created an account to sign in. I have a paid ChatGPT Plus subscription, but an account opens the door to the collection of ...