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WIFI Antenna with LED Backlight

The led is a special type of diode, which diode trabajacomo common, but which when crossed by the corrienteeléctrica, emits light. There

leds of different colors depending on the material with which fueronconstruidos. There are red, green, yellow, amber, infrared, among others. Electrically

LED behaves like a diode or silicon germanium.

If current is passed through the semiconductor diode, electrons and holes are injected in regions P and N, respectively.

Depending on the magnitude of the current, there is recombination of charge carriers (electrons and holes).

One type of recombination is called radiant recombinases (hence the light emission). The relationship between the radiant recombinases and recombination depends on the total material used semiconductor (GaAs, GaAsP and GaP)

Depending on the material that is made of LED , will be issuing the wavelength and hence the color.

must choose either the current through the LED to get a good light intensity and can prevent this damage.

Until recently, LEDs were used mostly in consumer electronics equipment such as performance indicators etc. With the advent of high brightness diodes opens a wide range of possibilities for use in lighting, leaving obsolete filament bulbs, which need a lot more energy to operate and much of this waste heat energy dissipated.

The automotive industry and specifically for motorcycles can find LED lights compact units for use as a third brake light.

also available on the market units consisting of four or five LEDs but mounted in the same format as a conventional light bulb rear brake.

I wanted to customize the back of my bike light using LEDs, could have acquired a third light and install or replace filament light bulbs for LEDs and other compounds by already.

circulated with my car behind another American car with large taillights, rectangular and very bright, I realized that when lit LEDs were brake light and that the LEDs on and off are instantaneous as opposed to light bulbs. I also looked at the configuration of the LEDs inside the lighthouse, a line of top and bottom LED is lit with the braking and a central line for normal light, so I decided to customize the backlight of my bike in the same way, if I wanted to buy something that was not going to does not exist.

settings after I chose to make a template of the inside of the headlight of my virago is: Topline

1 with 6 LEDs (brake)

2 central line with 3 leds each (ordinary light)

1 Underline with 6 lights (brake)

The two central lines are always on the top and bottom lines light up when I touch the brake. Diodes are in total 18 high brightness red LEDs.

Such diodes operate with a voltage of about 3.8 volts, the battery is 12 volts but when the engine is running more than 2000 rpm the battery voltage is 14.1 volts, so I decided to six groups of three LEDs in series for each group with its current limiting resistor.

All resistors are 330 ohm 1 / 4 w

diodes have a polarity must be respected, can be identified by the size of the pins or terminals.