Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...

Abstract: Our research addresses the building and testing of an intelligent residential control mechanism utilizing Bluetooth capabilities while embedding Internet of Things principles within a ...

Photonic topological insulators guide light robustly, but not at multiple colors needed for applications like frequency doubling. The authors theoretically demonstrate a broadband nonlinear resonator ...

The best simulation games give us - regular people - the chance to do things we wouldn't usually get the chance to do. Sometimes, these are extraordinary, highly specialized activities, and sometimes ...

This project for Build It Challenge 2022 involves a RC car controlled by two Arduino boards (Master and Slave), which communicate via Bluetooth. The system operates in two modes: Manual Mode: ...

Abstract: Because motors in factories and homes are getting more complex, this can bring about issues such as heated engines, unbalanced voltages and wild vibrations which together can cost a lot and ...

Why flu cases are spiking, how AI predicts disease from your sleep, and what surprising biomechanics lie behind woodpeckers’ powerful pecks. At CES 2026, Stevie Wonder offered a simple test for tech.

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Monte Carlo ...