What are the advantages and disadvantages of log periodic antennas? What are the pros and cons of log periodic antennas?
It is increasingly difficult to imagine a world without digital technology, which has transformed communications, entertainment, work, as well as other areas of human life. This article lists 20 examples of digital technology.
A new 3D printing technology called CLIP was announced at a TED conference in Vancouver and is now available. The printed item is created in a pool of liquid resin.
It's hard to avoid mentions of Grammarly and all the services they provide to enable you to write more effectively. But is Grammarly all it claims to be?
Robotics can bring STEM learning to life by combining these fundamental areas of study into fun and accessible packages for all ages and abilities.
Photos of staff or volunteers in your organization are often displayed on noticeboards, intranets or sometimes web sites. Find out how to easily keep them up to date use them to best effect.
Drones are incredibly useful for to photographers, experienced or new, but the vast range of drones available can be bewildering to those who don't know what they are looking for. Here is a short list of the best drones for capturing amazing pictures.
Drones have a wide number of uses, especially in the agriculture industry where they have some surprising benefits. Read how these useful little machines are used to help farmers.
Learn the basics of generating PWM from the dspic30f and dspic33f series micro-controllers. See how you can configure its PWM module to get your desired PWM output.
What are the pros and cons of yagi antennas? What are the advantages and disadvantages of yagi antennas?
See the list of the most recycled materials and examples of how they are recycled. It is true that almost everything can be recycled, but the economic reality is that there are top recyclable materials and almost useless ones.
Why "cleanroom" is a deceptive name, the power of trade secrets, and my own personal experience in the field.
Git has become the version control system of choice for most software developers, but do we really understand it well enough to use it effectively? You may be your own worst enemy and don't know it.
3D printers have many exciting uses in medicine as well as potential applications. They may eventually print human organs and revolutionize medical treatment.
Audio recording was done on steel wire reels before magnetic tape. I still have my father's Vintage Webster-Chicago recorder that uses wire reels. I included my video in this article so you can hear it play.
The medium through which data travels from one place to another is called transmission, or "communication" media. There are two categories of transmission media used in computer communications: Bounded and unbounded.
If you are looking for a decent drone that isn't a toy, these are two excellent choices that won't break the bank. Here is a look at two drones I own that are much more than toys.
How can you use a 400-1000 MHz LP antenna? What are the performance considerations for 400 MHz log periodic antennas?
To write better computer "how to" instructions or procedures, first put yourself in the user's shoes. Use the simple "given-new" formula to guide your readers safely and quickly through each process.
Nuisance calls can be annoying and frightening. Here are some strategies to cope with these unwanted calls.
This article walks you through the steps to enable remote access on your Plex Media Server. This article gives these steps in detail for how to enable remote access on a Netgear router.
There are distinct advantages and disadvantages of UHF radios. However, UHF radio is not a stagnant technology.
Green is perhaps the most tranquil, the most passive, and the easiest on the eye of the three primary colours of light. In this article, I look at shades of green in the RGB colour production system
In-depth review of the Oittm Apple Watch Power Bank. Guide to one of the most portable and affordable Apple Watch wireless chargers on the market.
Learn how to import AFL codes in Amibroker. Also, learn how to apply the formula to a candlestick chart and how to run it to get automatic buy/sell signals.
How to find an electronics recycling center near you in three easy steps. Why you should recycle old electronics, and how electronics recycling is done.
Looking for a good and cheap Tripod setup for photo and video? Here are seven options from $25 to under $50 and $100.
The future is hard to predict, but that certainly hasn’t stopped humans from trying. From conservative measures of what computers in the future would weigh to skepticism over the allure of TV and WiFi, here are five predictions we’ve made about technology that totally missed the mark.
What are the strengths of Vivaldi antenna designs, and what are the weaknesses of the Vivaldi antenna?
Learn how to create your own connectors. This guide handles the basics. It's up to you to create your own variations on this concept.
GPS (Global Positioning System) works through satellite technology and offers many advantages. I list the 15 main ones and explain why they are so beneficial.
Geographic Information Systems are making their way into every profession and field of study. This technology is a powerful tool which allows us to manipulate data and do things that would have otherwise been impossible.
The battery of choice when it just has to work! Even today, Ni-Cd batteries remain among the best that money can buy when you absolutely need something powerful, reliable and worry free.
Drones have become increasingly popular as away of taking stunning images from impressive angles. But which drone stands out among its peers as the best drone for photography in 2019?
GPS tracking is such a useful technology. In this article, I show you how to make use of it to ensure your family's safety. I also discuss other everyday applications these trackers have.
Many people buy a surge protector that gives little or no protection to their electronics. I'll explain how to protect your equipment from damaging voltage spikes.
To ensure your telephone system operates reliably, it is advisable to conduct some form of routine maintenance. This article covers the original Magic Jack, Magic Jack Plus and Magic Jack Go.
Don't waste money buying music that you already own. Preserve your record collection using this proven workflow for converting vinyl LPs to MP3 or M4A (AAC) digital format for use in iTunes.
Learn how you can use the internal ADC module of the dspic30f and dspic33f series micro-controller in your projects. ADC example code provided.
In the burgeoning age of tech, AI has become a buzzword among digital marketing gurus, popping up in ad campaigns as a means of enhancing brands’ images. But the AI we use every day isn’t nearly as ostentatious—many of us don’t notice it at all. In this piece, I list some common applications of AI.
See how battery recycling works, and where, why, and how-to recycle single-use and rechargeable batteries. Recycling facts, myths and laws that you need to know.
We all know heating and cooling devices are the top power consumers, but what about the other end of the spectrum? These are some home devices you can use without worrying about the power bill.
These days you can find all sorts of weird, wonderful, useful, and downright ridiculous accessories and gadgets to put in (or on) your car.
These projects will help take your skills and knowledge in robotics, electronics, and programming to the next level.
Compact fluorescent bulbs are a more efficient way to provide electrical light within homes and other buildings. These bulbs are one of the easiest ways to save money. Despite the benefits, CFLs have a number of negatives as well. Health problems, mercury levels, and hazardous waste management are some of the issues.
In this tutorial, we will walk through all the processes involved for transforming an idea into a simple tangible object—a mounted coat hanger. We will use Solidworks to design this part.
When working with cables, finding out what each one does isn't always clear and knowing what's needed is even harder. Here is a quick guide to what common cables do and visual references to find them.
Arduino is an open source hardware/software programming platform based around Atmel microcontrollers. Arduino boards with their analog and digital inputs are ideal for artists and electronic hobbyists
A journalist blew the whistle on Elizabeth Holmes and the Theranos blood test fraud. The indictment is ongoing with a Federal Court case scheduled for 2020.
Augmented reality in newspapers is the apparent appearance of a video or other digital content on a newspaper page. AR could add very useful features to printed media.
Smart scale accuracy is the first thing coming to mind when you look down at an app and see something surprising... or frustrating! I've taken a look at smart scale reviews, interviewed manufacturers, and tested the FitBit Area and PICOOC MINI on myself and my unsuspecting husband: Findings follow!
Aviation has developed hugely from the simple mechanically-operated Wright Flyer to the modern fly-by-wire, electronically controlled machines filling our skies. This has led to a shift in the skill requirement of pilots from hands-on flying ability to systems management and computer operation. Pilot training has been slow to keep pace, potentially contributing to accidents.
Deep learning technology is quickly permeating many aspects of our society. This technology has many applications and has already revolutionized the way we do many things. This article explores four areas where deep learning has made significant advancements.
Have all the files & folders in the SD card suddenly became shortcuts once you connect it to your computer? Learn how to solve the problem step by step.
How can you build your own planar disk antenna? What can you use to build a planar disk antenna at a low cost?
Hunting for the top handheld or portable digital storage oscilloscopes? This article is written to review a handful of my faves. I'll do my best to list the best priced / featured units, if possible.
Looking for a cheap YouTube lighting setup or kit? Here are 6 affordable options from $10 to $50 you should know about.
Here is a comparative description and list of differences between lithium ion (li-ion) and nickel-metal hydride (NiMH) batteries.
The Miuo Outdoor Solar Lights will save you money, secure your property, and protect your home. Comes with 2 motion sensing, solar powered lights that are packed with 30 LED's.
Whether you are launching your ebook for the first time on Amazon, or promoting it during special times of the year, if you are subscribed to KDP Select, you can take advantage of a free promotion or countdown deal to create some buzz about your ebook.
Do you wish to learn how to type without looking at the keyboard? This short guide will help you learn to type for free. Just follow the instructions given on this page, and you'll learn how to touch type in no time!
You don’t need to be a professional orator to talk into a microphone but knowing how to use it is very important — that is, if you want your audience to understand what you’re saying. Check out these tips on microphones and how to use them.
Here are three examples of sustainable design: the Peepoo bag, recirculating aquaponics, and solar cookers. All three are simple and serve an important need.
What is the UWB frequency range? What are the best ultrawide band antennas? Which applications call for a UWB antenna?
You probably see fire hydrants of different colors every single day and may have wondered what the colors mean. Well each color has a meaning of its own.
We often hear about analog and digital in the context of communications, sound recording and consumer electronic devices. But what exactly is the difference? This article explains the mystery
There are multiple reasons to listen to sounds like white noise and water. Learn how noise generators can help students and busy people focus.
3D printing is an exciting and useful technology. Relevant printers are becoming more capable and affordable. Some are suitable for home use. 3D pens are also available.
If you have a home electronics lab and build your own circuit projects, you may have searched for cheap and simple enclosure ideas to house your projects. I found possibilities at the dollar store.
Every year, Americans die from toxic gas leaks in hotels. One way to avoid becoming a statistic is to use a portable toxic gas detector.
1950s communication devices were simple, inconvenient, and quite different from those we use today. What was communication like before the internet existed? I remember people relying mainly on newspapers, mail, radio, television, and movies to get information.
Explained in this hub are two different audio setups. This article focuses on recording audio to use in video game commentaries, with an in depth look at how to record your commentary separately.
Kids are hooked on screens, and it's having an adverse effect. Parents, don't fool yourselves into thinking is just a modern pastime. Learn why you need to moderate your kids' screen consumption and discover helpful tips for successfully pulling the plug.
Plex Cloud lets you connect to your Google Drive account, making it possible to add that content to and access that content through your Plex Media Server without having to host it locally.
Intel researchers say the computers of the future will be just chips that will process their data through the internet itself, without the use of hardware, such as video card, RAM, HD and processor.
What are the major types of UHF and VHF antennas? What are the benefits of each type of high frequency antenna?
"AI can create heaven on earth or turn it into hell." In case you are living under a rock, Artificial Intelligence, also known as AI, is one of the hottest buzzwords in the industry today. For the simple reason that it can solve a lot of problems faster and do things more efficiently.
Google Street View was slow at mapping the Faroe Islands. The islanders could not wait and put pressure on this global company using a sheep-based viral marketing campaign. And it worked!
Cordless phones with talking caller ID can be convenient for many people and an absolute must for those with limited vision. Find tips for choosing the right one.
Send and receive data through UART communication using this example code and tutorial for dspic30f and dspic33f series micro-controllers.
Ghost hunters like to implement EMF meters in their investigations but the reasoning behind their use, and the validity of the results, leave something to be desired.
The Disc Genie, a supposedly award-winning "AS SEEN ON TV" product, promises that it can repair "Up to 100 Game Discs, DVDs, and CDs." But does the Disc Genie actually work? Let's find out!
Protecting a word document is easy. But did you know that you can password protect a text file? Learn how to encrypt a .txt file with the help of this step-by-step guide. While one can’t encrypt a text file, one can surely take the help of a software program to save it in a password protected container.
It's predicted that perhaps in 10 years from now complete organs will be printed out from 3D bioprinters. Sounds like science fiction? Read on.
CB's beccame popular during the 1970's. Partly because of the 1973 oil crisis and a nationwide 55 mph speed limit. CB’s were used to help truckers locate stations having fuel and avoiding speed traps
This Arduino tutorial will explain the benefits/features of the hardware, practical applications and how to use them in software. See why these simple boards are often better than their pricier kin!
Those pesky phone calls that come in at inconvenient moments can be reduced; but it needs a bit of work.
dB is mentioned in user manual specifications sections of radio and audio equipment, cellphones, and loudspeakers. The dB specs and measurements are important for equipment accuracy, also health and safety reasons. The dB is explained here along with conversion methods between related parameters.