In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

As a result, remote control technologies are being widely adopted across various sectors. Among the many components used in ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...

Before humanity sent satellites, telescopes, humans and weapons into space, Robert Goddard experimented with the first liquid ...

Check out this guide to learn about the best Redstone builds for the beginners that will help you understand the basics of ...

This three-part makeup tutorial by Aja Dang is perfect for those who don’t have a lot of time when getting ready in the morning. She shows three variations of a simple, wearable makeup look that you ...

Abstract: The field of photoacoustic tomography has experienced considerable growth in the past few years. Although several commercially available pure optical imaging modalities, including confocal ...

Abstract: In the near future, i.e., beyond 4G, some of the prime objectives or demands that need to be addressed are increased capacity, improved data rate, decreased latency, and better quality of ...