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

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 ...

D0WD, a low-cost alternative to LilyGo T-Display, lets you mirror your desktop monitor over Wi-Fi with an ESP32 ...

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 ...

Home Assistant isn't the only smart home management utility in my FOSS toolkit ...

These methods and features are built into devices you already own.

The Alexa app quickly connects new devices you add to your smart home with little effort on your end and lets you control devices from different manufacturers in one place. If a smart home device says ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

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