West Florida Components

This is an amazingly handy little light – thin enough to use on your house key or car key. Think of it as a stick-on LED! The Thumb-Lite’s compact design makes it easy to turn anything into a flashlight. Whether you use it for unlocking a car door or finding something dropped in the dark, the Thumb-lite is a convenient way to provide extra light when needed.

What makes this stand out from the other tiny LED lights is that the Thumb-lite can be used effortlessly with one hand. Pressing the button requires NO EXTRA EFFORT. The standard amount of pressure needed to turn the key is more than enough to turn the light on. This mini LED flashlight was designed to be used the way a person naturally grips an object. The Thumb-lite is easily activated and shines light in the direction the object is pointing. No tools or assembly are required. Just pull off the adhesive protector and stick it on a key or other object – it’s that easy. Because of it’s small size and advanced adhesive, Thumb-lite sticks to most size keys.

The light is very small but it’s just enough to be helpful in finding things in the dark. We’ve used them on our TV remote controls (ever try to find the right buttons on your remote in the dark?), our power tools, inside our purses and even attached them to our cell phones. We can think of dozens of uses for these mini LED flashlights. How about you?

We love finding products that make great use of solar electricity and our electronic components. How about a solar powered LED light in a mason jar? Perfect for your backyard porch or for mood lighting at a party – or even as a night light in your bathroom, bedroom or kitchen!

The ones we found at MyGrillfriend.com give you a choice – it can be a soft deep orange colored light (referred to as a ‘sun jar’) or a beautiful shade of blue (called a ‘moon jar’) just by flipping a switch. The solar panel inside the jar collects the sun’s rays during the day, and automatically turns on when the lights go down. So easy to use and the LEDS will burn for years! Can I just tell you how much we love this product?!

Of course we had to take our Sun & Moon light apart to see how they made it. Nestled inside the neck of the jar is a highly efficient solar cell which is attached to a rechargeable battery and two low power LEDS – one blue and one orange. On the bottom of the insert is a diffuser which spreads the light throughout the frosted glass container. The switch, which is located on the solar cell, can be switched to blue, orange or even ‘off’ for conserving more energy. Go get one – or two – or ten! They are great!

West Florida Components was recently invited to participate in a science experiments fair held in conjunction with the USF Education Department.

Each business staffed a booth where elementary school aged kids along with their families could conduct science experiments. The community event was an opportunity for families to enjoy and see the benefits of science in a fun atmosphere. The West Florida Components station was one of about 18 stations at which participants could interact and have fun with science. The event met a significant need identified at the national, state and local levels which is to increase the scientific literacy of students as a way to improve the local, state and global competitive status of our communities and our country.

The staff from West Florida Components made LED Throwies with the fair attendees. Each family member was given an LED, a 3V battery, a magnet and some tape to put their LED Throwie together. Once the Throwies were assembled, they could toss their Throwie at a metal board to earn points. The families learned the science behind the Throwie and were given additional LEDS to take home to so they could rebuild their throwies and experiment further.

If you’d like the instructions to make the LED Throwies, you can visit our web site where we give full instructions with pictures.

Here’s an easy project that simple enough for electronic beginners, plus the supplies required are probably laying around your house or workshop.

Could you buy the same thing for just a few dollars more? Sure you could, but you’d miss out on the satisfaction of assembling this project all by yourself.

Here’s what you need:
2 high intensity white LEDS (you can use other colors if desired)
small perf board
2 470 ohm resistors
toggle switch or slide switch
9V battery snap
9V battery
small project box (you can use an Altoid tin)
electrical wire (about 2′ total)
soldering iron
solder
hot glue
electrical tape

For full assembly instructions, you can view the pages here:

http://www.instructables.com/id/9-Volt-Headlamp/

Applied Materials announced this week that it was planning a major restructuring of it’s business. The goal? To place a “primary emphasis” on LEDS and crystalline silicon solar panel technology.

This restructuring would effect the bottom line of the company in many ways including the elimination of 400 – 500 jobs and the closing of their thin-film solar technology lab among other plans.

The future of Applied Material’s solar technology would focus on the crystalline silicon solar product development over the thin-film solar business. Historically, crystalline silicon (c-Si) has been used in many solar cells as a light-absorbing semiconductor although it is considered a relatively inefficient for light absorption. It also requires a considerable thickness (several hundred microns) of material.
Despite this, it has proven to be desirable because it produces stable solar cells with good efficiencies (11-16%, which is half to two-thirds of the theoretical maximum). It uses process technology developed from the huge knowledge base of the microelectronics industry.

Here are more questions we get asked a lot:
What is the positive (or negative) lead on an LED? How do you determine the polarity of an LED?

If you are talking about through hole LEDS, in most cases it’s pretty easy to determine the polarity.

Through Hole LED

If the LED has two leads, one longer than the other,the longer lead is the postive (also known as the anode) lead.

If the LED has two leads with leads that are equal in length, you can look at the metal plate inside the LED. The smaller plate indicates the positive (anode) lead; the larger plate belongs to the negative (cathode) lead. Unfortunately, some jumbo LEDS have the plates reversed so this is not a fool-proof method.

If the LED has a flat area (on the plastic housing), the lead adjacent to the flat area is the negative (cathode) lead.

It’s a little bit harder to determine the polarity with Surface Mount LEDS. Some are marked with a (-) to indicate the negative lead, but often, they are not. The single best way to determine the polarity is through the use a multimeter.

Surface Mount LED

Set the multimeter to the diode/continuity setting. Usually,the multimeter will supply enough current into the LED which will just barely light it up. The black (common) lead on the multimeter indicates the negative (cathode) lead, and the red indicates the positive or anode side.

Of course, if you can find the datasheet for your LED, the pinout, along with all the other specs will be readily available on the datasheet.

West Florida Components has just started to carry an exciting new product – RGB Tricolor Flashing LEDS!

At first glance you might think “Why are they calling them both RGB AND Tricolor?” The reason is that each LED is actually 3 separate LEDS housed in one case.

They operated in a sequence: first one color is lit at a time, then two light up, then all three. The cycle is completed when all three LEDS have been lit slowly, then begin to flash. Max voltage is around 3V.

Here’s a demonstration of the RGB blinking LEDS:

We were trying to think of some interesting uses for these LEDS. Certainly they’ll be fun to use around the holidays – in garland or in wreaths or other holiday projects. How about as a centerpiece? They would also be great for costumes and for jewelry making.

Here’s a challenge for our customers:

Use your imagination and find a great project to use these in. We’ll feature the best suggestions/projects in a video on our home page!

7 Segment LEDs or 7 segment displays are a type of electronic display devices used for displaying decimal numbers, in place of the more complicated dot matrix displays. 7 segment LEDs are used in a number of applications such as electronic meters, digital clocks and other such electronic devices.

7 Segment Display

As the name suggests, these electronic components are made up from 7 segments that are used for displaying each of the numerals from 0 to 9. The segments are arranged in a rectangle pattern with two vertical segments placed on each side, and a horizontal segment placed on top and bottom. In addition, another segment is placed bisecting the rectangle horizontally. This way, the figure obtained is of the number ‘8’. The segments are identified by lower case letters “a” to “g”, that begin with “a” on the top and going clockwise, with the center segment being “g”.

In some 7 segment LEDs, an additional segment is used to denote a decimal point and is referred to as DP. In some LEDs an extra triangle is also included to turn this decimal point in to a comma, which improves the readability of larger numbers.

Most of the 7 segment displays are slanted to make the numbers look like they were written in italics. This allows for one digit to be placed upside down along with another digit, such that the two decimal points appear like a colon between the digits. This arrangement of these electronic components is widely used in digital clock displays.

What is Infrared?

The electromagnetic spectrum has waves of various wavelengths. Human eyes are capable to seeing the light that form a small part of electro magnetic spectrum. The waves with shorter wavelength as well are longer wavelengths than the visible spectrum are not visible. Infrared are waves that have longer wavelengths than the visible spectrum. The wavelengths corresponding to the Infrared waves are in between 750nm to 1mm.

Infrared waves cannot be seen but can be felt in the form of heat. Since the main source of infrared emissions is thermal source, so any thing that has temperature will emit Infrared emissions. Most of them are not noticed because they are not so strong. Higher is the temperature of the object, greater will be the Infrared emissions. Substances that seem cold such as a cube of ice also emit infrared.

Uses of Infrared:

• Night vision: Infrared filters are utilized to filter 99 percent of the light of the visible spectrum and allow maximum infrared light to pass through them. This helps in viewing objects even in the dark based on their infrared emissions.
• Thermo vision: Infrared emissions are utilized to find out the temperatures of distant objects. All celestial bodies emit strong Infrared emissions. These emissions are an easy way to study about the topography as well as climate of the celestial bodies.
• Communication: Infrared transmission is an easy way to transfer data for a short distance. Infrared finds its application in remote controls in which the Infrared LEDs are utilized to emit radiations that are focused over the Infrared acceptors. The Infrared LEDs also find their application in movement sensors such as optical mouse used in our desktop.


IR LEDS

• Spectroscopy: Infrared waves find their applications in analysis of the molecules.
• Satellite images: Infrared imaging is utilized by satellites to send in the details regarding the weather and geography of a place.

Looking for some 12V lamps for your car or boat? West Florida Components is stocking these 10mm 12V lamps in red, green, blue and amber.

These lights can be used as indicator lamps, control panel lights or in any application that a 12V light is needed.

A plastic mounting nut is included with each 12V LED.