Today we are going to create a strobe light for the tips of the wings of an rc airplane using a 555 timer (NE 555 or lm 555 IC) this circuit is very easy to make with few components and most ...

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 ...

If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...

They claim to fix fine lines, blemishes and redness – but which stand up to scrutiny? We asked dermatologists and put them to the test to find out The best anti-ageing creams, serums and treatments ...

A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You might have grabbed an old Speak and Spell that you want to repurpose ...

If you’ve been to a wedding or a downtown coffee shop in the last 10 years, you’ve probably seen those little lightboxes that are so popular these days. They consist of letters placed ...

Abstract: The unsustainable downscaling of Si transistor run counter to the rapid development of big data. Further geometric sizing needs industrial strategies and promotion. The two-dimensional ...

Abstract: In this article, we present an investigation into the amplification characteristics of triple-quantum-well heterojunction bipolar light-emitting transistors (TQW-HBLETs or TQW-HBTs or ...