Bring your postwar Lionel trains into the modern era with DIY Bluetooth control using Arduino. A fun and powerful upgrade for your layout. #Arduino #LionelTrains #DIY ...

SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.

I put some portable FM transmitters to the test to see which ones deliver the cleanest signal, easiest usability, and best ...

Firing Room 1 at the Kennedy Space Center in Florida has witnessed the liftoff of several historic Apollo missions, including the one in 1969 that put humans on the moon for the first time, and the ...

Hot glue guns are pretty simple beasts: there’s an on/off switch, a heating element, and a source of current, be it battery or wired. You turn it on, and the heater starts warming up; eventually you ...

A crackdown on 3D-printed weapons and firearm limits has been flagged, and citizenship requirements for ownership could also be examined. Police said the 50-year-old alleged Bondi Beach gunman was a ...

Abstract: The fuel servo actuator regulates fuel flow and nozzle area, and dual electrohydraulic servo valves usually provide redundancy for the aero-engine control system. However, time-delay in the ...

We've tested hundreds of smart home products in more than 20 categories to help determine which ones are best for every room in (and out of) the house. I'm PCMag's managing editor for consumer ...

Abstract: This article discusses the prescribed-time containment control problem of multiple Euler–Lagrange systems (MELSs) under denial-of-service (DoS) attacks. First, for the case of multiple ...