Skip to content

Len Calderone

Len Calderone started in the audio-visual industry in 1975 and has contributed articles to several publications. He also writes opinion pieces for a local newspaper and is now retired.

27 articles

A close up of a mouse on a table
ENERGY & OTHER HOME SYSTEMS

Wireless Charging for Electronics

Wireless charging provides a convenient, safe, and dependable way to charge and power millions of electrical devices at home, or at work. By removing...

Black and white Benq projector
HOME TECH

Should You Buy a LCD, DLP or LCoS Projector?

Looking for a projector so that you can watch the Super Bowl larger than life? Are you confused by the projection technologies that are in...

A person sitting on a couch in front of a flat screen TV
HOME TECH

Is a 4K Projector in Your Future?

Christmas is just around the corner. This is the time when most people review their wish list and maybe even chip in the money for that special...

MacBook Pro near white open book
HOME TECH

The Growth of Online Video-Based Learning

The demand for video-based learning is experiencing tremendous growth in the recent times. Video-based learning may soon become the most sought after...

Oval grey portable speaker on white surface
AUDIO

Is That Really an Audio Speaker?

Speakers used to be big boxes that took up a lot of space and looked—for the most part—ugly. Speakers should be heard and not necessarily seen. Now...

Black and green audio mixer
HOME TECH

Share Audio With The Dante Audio Protocol

For those who are not familiar with the term, audio protocol, it is a term used in audio and broadcast engineering. It is the use of an...

Open electrical control panel with wires and circuit breakers
SMART HOME

A Quick Study of Power over Ethernet

Power over Ethernet (PoE) is a technology that lets network cables carry electrical power, which eliminates the need to run VAC power to Wireless...

Black and white projector on white table
HOMETOYS

How Small Can You Go – Pico Projectors

What is a Pico projector? This popular innovation in projectors has come about due to the capabilities of smart phones, personal digital assistants...

A close up of a projector on a ceiling
ENERGY & OTHER HOME SYSTEMS

How Small Can You Go Pico Projectors

What is a Pico projector? This popular innovation in projectors has come about due to the capabilities of smart phones, personal digital assistants...

A blue and green light shines in the dark
HOMETOYS

The Potential of Holographic Displays

It seems as though everyone is mesmerized with the possibilities and potential of holographic displays, especially since Star Wars brought the...

Las vegas convention center with ces branding
HOMETOYS

It’s a Wrap!

CES 2014 wrapped-up for another year with a lot of oohs and aahs. It was just like my experience in the late 90’s, when I saw my first HD TV. I stood...

Person watching movie
HOMETOYS

Movie Theater vs. Home Theater

The glory years of motion pictures were the 1930’s. I grew up in the 50s when television was making inroads into the sales of movie tickets. To...

Neon sign on a dark wall
VIDEO

The Future of Digital Signage

Digital signage is an electronic display that is used in banking, churches, healthcare, hotels, nightclubs, retail outlets, restaurants, sports...

A television with the netflix logo lit up in the dark
HOMETOYS

4K UHD – How high can we go?

Next to the pretty girls, the 4K Ultra High definition (UHD) television had the guys salivating at CES, but is UHD a little too much just now? High...

A close up of a computer monitor with a blurry background
HOMETOYS

Laser Phosphor Display Screens

It seems that no sooner do we become comfortable with new technology; some start-up company comes along with new advancements. Prysm, a San Jose...

A person in a suit facing three people seated at a long wooden table
HOMETOYS

Using Audio Visual In The Courtroom

The modern courtroom is apt to have either installed or portable technology for information and evidence display; media feeds; teleconferencing...

Doctors doing surgery inside emergency room
HOMETOYS

Audio Visual Technology in Medicine

A patient is admitted to a small town ER. An X-ray of an injury is taken by the hospital staff, only the hospital does not have a radiologist on...

A close up of a red switch on a black background
HOMETOYS

HDMI = High Performance

The High-Definition Multimedia Interface (HDMI) was invented in 2002 by several major electronics manufacturers. HDMI is the first uncompressed...

White wireless charging pad on a wooden table
ENERGY & OTHER HOME SYSTEMS

The Future of Wireless Energy Transfer

As the Earth’s population continues to grow, the demand for electricity will outpace our ability to produce it and transmit it around the world...

Black DSLR camera
HOMETOYS

The Camera Has Many Eyes

The combination of aperture size and depth of field affects the decisions made before a photographer presses the exposure button, and these two...

A row of 3D printers creating blue plastic cylinders on a wooden workbench
HOME TECH

A 3D Printing Primer

To science fiction writers this was just a dream, but if we look at most of our technology today, we first learned about these wondrous ideas from...

White and blue box on white table
HOMETOYS

3-D Projector Line-Up

All I want for Christmas is a 3-D projector. I know, it’s 101 degrees out and it’s only August, but I can start dreaming, dreaming of watching Avatar...

Get hometoys in your inbox

One email a week with our latest reviews and buying guides.