If you want to maintain detailed logs of the environmental parameters, you can host a database on your Raspberry Pi and ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...

Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past 20 years to help you find the best options available.

My first thought was to use a sonar motion detector, although, as an old friend and general-purpose adviser observed, an airplane is a rather noisy environment to begin with, and who knows how wind ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level ...

Commissions do not affect our editors' opinions or evaluations. If you’d prefer not to pay for purchases with cash, credit cards or funds in your checking account, give prepaid debit cards a try.

Thousands of Pokemon cards have been released since the game came out in 1996. Here’s a list of the best Pokemon cards of all time. No matter whether you prefer collecting cards, playing with ...

Unless you're taking advantage of an intro 0% APR offer, if you carry a balance on your credit card, you're likely being hit with high interest charges. The average APR for all credit card ...

Personal and small business cards issued by U.S. Bank and Discover are currently not available on CNBC Select and links have been redirected to our credit card marketplace where you can review ...

Designed a real-time LPG leakage detection system using an MQ-5 sensor and Arduino UNO. The system monitors gas levels and sends SMS/calls via a GSM module. Integrated a servo motor for automatic gas ...

Free prepaid debit cards look just like regular credit cards and enjoy the same level of acceptance. But you can use them without a credit rating or bank account (or any financial institution account) ...

Evan Coleman is an Updates Editor on the Credit Cards and Travel Rewards team at Forbes Advisor, showcasing his interest in personal finance and love of travel. He has written for a variety of ...