Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...

What happens when students stop building for grades and start building like engineers? This competition tested more than ideas.

Reverse polarity is one of the most common causes of circuit failure, from hobby projects to industrial systems. The good news is that a well-designed reverse polarity protection using MOSFET ...

Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, ...

Plenty of our childhoods had at least one math teacher who made the (ultimately erroneous) claim that we needed to learn to do math because we wouldn’t always have a calculator in our ...

GreatScott] has recently been tinkering in the world of radio frequency emissions, going so far as to put their own designs in a proper test chamber to determine whether they meet contemporary ...

Basic economy seats come with cheaper fares, but seat selection and baggage is limited and varies between airlines. Many or all of the products on this page are from partners who compensate us when ...

When 12-year-old Matteo Mucchetti mapped out an amusement-style attraction that he wanted to create in his family’s basement and then showed it to his older brother Nico, the high-school sophomore was ...

Calculate whether the low-price basic economy fare is worth the hassle of less cancellation flexibility. Many or all of the products on this page are from partners who compensate us when you click to ...

Get shared CAD, firmware, and a simple HTML interface for Sesame, helping you customize looks, motions, and power without guesswork.

Learning how to build and understand a mini engine is an exciting journey for anyone interested in mechanics. A mini engine, despite its small size, works on the same principles as larger engines. By ...

Espresso machine test 2025: 7 home setups compared – design, tech & daily grind. Which one’s the best espresso machine for ...