Scanners for loose papers have become so commonplace that almost every printer includes one, but book scanners have remained frustratingly rare for non-librarians and archivists. [Brad Mattson] ...

Learn how to make a unique and modern wall lamp using simple, everyday materials – used bottles and PVC pipe. This ...

Bogdan Micea] uses a laptop cooler, but was a bit annoyed that his cooler would run at the same power no matter how hard the laptop was working. Rather than keep adjusting the cooler’s power ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

💡 Arduino Blink Project with Buttons This is a simple Arduino project that allows you to control three LEDs using three push buttons. Each button turns its corresponding LED on or off, simulating a ...

This paper describes the design, simulation in open loop and closed loop system and hardware implementation of buck converter which converters 12V DC to 6V DC at 31 kHz for 5 Watt load. Digital ...

A LED visible light communication system is proposed based on frequency division multiplexing (FDM) technique. Which can transmit analog and digital signals by different channels with a single LED.