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LEDs

A light-emitting diode (also called LED), is an electronic component that has the particularity of emitting light when it is traversed by an electric current. Its second feature is that the current only passes through this component on one side, when the current passes to the other side, it is blocked and the LED does not light up. LEDs are energy-efficient and durable. It is no wonder that they are quite popular among a variety of products on the market today. Basically, an LED is a low current light source. A 230 Volt LED always has a built-in converter (driver) from 230V to the 12-24 Volts that the diode uses. In addition to the individual LEDs for your projects, we also have a very wide range of LED products. At Botland.store, you will find a large selection of items such as color 8mm LED diodes, LED backlight modules, LED stripes, and many more.

Products: 118
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LED SMD0805 yellow - 10pcs

LED diode SMD 0805 yellow. Price for 10 pieces.
Index: LED-00440
Index: LED-00440
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LED 5mm white cool clear - 5pcs

Led 5mm, cool white. Transparent lens. Price for 5 pieces.
Index: LED-03705
Index: LED-03705
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Regular price PLN2.00 Price PLN2.00

LED 5mm yellow - 10pcs

LED diode 5 mm yellow. Price for 10 pieces.
Index: LED-13606
Index: LED-13606
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Regular price PLN1.50 Price PLN1.50

Set of 3mm LEDs - 30pcs

Set of 10 pieces of green, yellow and red diodes.
Index: LED-01448
Index: LED-01448
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Set of 5mm LED - 16pcs

The set consists of 16 pieces of 5 mm LEDs: 5 yellow, red and green elements and 1 led in blue color.
Index: LED-04741
Index: LED-04741
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LED SMD0603 green - 10pcs

Led SMD 0603 green. Price for 10 pieces.
Index: LED-01138
Index: LED-01138
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LED 3mm yellow - 10pcs

LED diode 3 mm, yellow. Price for 10 pieces.
Index: LED-13764
Index: LED-13764
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Set of 5mm LEDs 10pcs with resistors

Set of ten 5 mm LEDS with resistors. The kit includes: 10 PCs resistors 1.2  kΩ and 3 PCs green, red and yellow LEDs and 1 blue LED.
Index: LED-04663
Index: LED-04663
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LED SMD0805 green - 10pcs.

LED diode SMD 0805 green. Price for 10 pieces.
Index: LED-00231
Index: LED-00231
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Grove - Multi Color Flash LED v1.1 - Seeedstudio 104030014

Module with flashing LED and built-in resistor. It is powered by 3.3 V and 5 V. The LED on the PCB can be bent to adjust the light angle. Grove connector enables easy...
Index: SEE-15426
Index: SEE-15426
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LED 5mm red - 10pcs

LED diode 5 mm red. Price for 10 pieces.
Index: LED-11440
Index: LED-11440
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LED 5mm green - 10pcs

LED diode 5 mm green. Price for 10 pieces.
Index: LED-11144
Index: LED-11144
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Set of 5mm LED - 30pcs.

Set of 10 pieces of diode, green, yellow and red.
Index: LED-01447
Index: LED-01447
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LED 5mm blue - 10pcs

LED diode 5 mm blue. Price for 10 pieces.
Index: LED-14490
Index: LED-14490
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Regular price PLN1.99 Price PLN1.99

IR transmitter VSLB3940 3mm 940nm

Infrared transmitter in a 3 mm threaded housing. Emitted wavelength 940 nm.
Index: LED-00869
Index: LED-00869
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Regular price PLN1.80 Price PLN1.80

IR transmitter TSAL6400 5mm 940nm - 5pcs

The led that emits light with a wavelength of 940 nm, in DIP 5mm case. Price for 5 pcs of the led.
Index: UCC-01059
Index: UCC-01059
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LED 5mm orange clear - 5pcs

LED diode 5mm orange. Transparent lens. The length of the interacting waves: approx. 598 nm. Brightness: 5000 mcd. Beam angle: 15°. Price for 5 pieces.
Index: LED-00544
Index: LED-00544
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LED 3mm blue - 10pcs

LED diode 3 mm blue. Price for 10 pieces.
Index: LED-00460
Index: LED-00460
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LED SMD0603 yellow - 10pcs

LED in SMD 0603 case yellow. Price for 10 pieces.
Index: LED-01140
Index: LED-01140
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IR transmitter LIRED5B-880 5mm 880nm

IR transmitter in a threaded case 5mm. the Length of the interaction of the wave 880 nm. Lens tinted.
Index: UCC-01231
Index: UCC-01231
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Regular price PLN0.70 Price PLN0.70

LED SMD0805 white - 10pcs

Led in housing SMD 0805 white. Price for 10 pieces.
Index: LED-00457
Index: LED-00457
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LED SMD0603 red - 10pcs

LED diode red in SMD 0603 case. Price for 10 pieces.
Index: LED-01137
Index: LED-01137
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Grove - Multi Color Flash LED

The module is equipped with a random colored LED. Thanks to the use of Grove connector it allows for direct connection in Arduino through the Base Shield v2 overlay. The LED...
Index: SEE-15264
Index: SEE-15264
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LED SMD1206 yellow - 10pcs

LED diode in case SMD 1206 yellow. Price for 10 pieces.
Index: LED-00439
Index: LED-00439
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If you are unsure which one you need, do not hesitate to contact us!

From power to light: How LED works

An incandescent lamp lights up because a filament is heated by electrical energy. An LED bulb lights up because electrical energy is directly converted into light energy. Therefore, LED bulbs don’t get nearly as hot as incandescent bulbs. LED means Light Emitting Diode. An LED is a semiconductor. In fact, a diode is the simplest form of a semiconductor.

Semiconductors are a special material that is contaminated so that one side is negatively charged and the other is positively charged. Or put another way: one side has an excess of electrons, while the other side has holes in which the extra electrons can fall. In the LED, the semiconductor is made of a special material - typically gallium arsenide - that releases particles called photons, when the electrons fall into a hole. When you power an LED, the electrons move, falling into the holes and emitting light. Depending on the production technology used and the semiconductor materials, LEDs can emit light in many different colors: red, green, yellow, orange, and blue.

LED lights in all colors

There is a reason why the first LED lights were red. Because the easier the electrons fall into the holes, the lower the frequency, and red light has the lowest frequency of all visible light. It is much harder to make blue light with LEDs because blue light has a high frequency.

LEDs only emit light with one specific frequency, so how is it possible to make white light with LEDs? To achieve this, it’s necessary to put blue, green, and red LEDs together so that the mixed light turns white. Or you can lubricate a blue LED with a phosphorescent material. When the blue light hits the material, it emits yellow light. Blue light with a yellow light gives white light.

The history of the LED

The LED is not a new invention. As early as the beginning of the 20th century, the English experimental physicist HJ Round worked at Marconi Labs with light-emitting semiconductor materials, and around 1924-26, the Russian Oleg Vladimirovich Losev succeeded in developing the first LED. It was not until 1965 that the first LED was developed for mass production. It emitted visible, red light and was developed by Nick Holonyak Jr. at General Electric. Nick Holonyak is today considered the "father" of LEDs. In terms of lighting, however, the breakthrough came when the Japanese Shuji Nakamura developed an LED that emitted something reminiscent of white light. It came on the market in 1993.

Since the 1960s, LEDs have become more and more efficient, and historically, every three years, the light output of the same electric current through the diode has doubled. The result is that the diodes today shine brightly enough that they can be used as light sources in many different types of lamps. A particularly advantageous relationship between energy consumption and light output means that there is great political and industrial interest in using LEDs as light sources. Currently, LEDs are 5-6 times as energy-efficient as ordinary incandescent lamps and thus on a par with energy-saving bulbs - the so-called A-bulbs. Today, LED bulbs are used in a wide variety of different forms of lighting and are available both for decorative lighting and for lighting indoors as well as outdoors.

Buy high-quality LEDs at best prices

Botland.store offers a wide variety of high-quality LEDs. In this section, you can find red, green, yellow, blue, white LEDs, as well as Gravity modules with LED diodes, sets of LEDs with resistors, LEDs in holders, and many more! If you are looking for a LED diode, but you don’t know which one to choose, please contact us. Our customer service workers will do their best to find a solution that meets your expectations.