Isaac Newton, an English physicist, mathematician, astronomer, natural philosopher, alchemist, and theologian, discovered that sunlight is composed of all the colors of the rainbow. Some colors we can see, others - such as infrared and ultraviolet - are indistinguishable to the human eye. Infrared or infrared radiation is therefore the healthy heat of the sun. You can’t see it, it’s invisible light, but you do experience it as warmth. Infrared is a type of electromagnetic radiation located beyond visible light and colors. Infra-red literally means: after the red light. Infrared radiation is used in electronics, as well as in medical science. Just think of babies that are placed in the incubator so that they are kept at the right temperature. It is also used by physiotherapists to heal muscle injuries, and by beauty experts for various beauty treatments.
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LED IR (infrared)
Products: 16
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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
IR Power LED Star 1W - infrared 940nm with heat sink
IR Power LED with power of 1 watt and with a heat sink. Emits light of the infrared range with a wavelength of 940 nm.
Index: LED-02701
Index: LED-02701
IR photodiode SFH 203 - 5mm 850nm
Led IR photodiode in a threaded case THT 5 mm. Wavelength-850 nm. Lens transparent.
Index: LED-10739
Index: LED-10739
Index: SES-00279
IR transmitter VSLB3940 3mm 940nm
Infrared transmitter in a 3 mm threaded housing. Emitted wavelength 940 nm.
Index: LED-00869
Index: LED-00869
IR Power LED Star 1W - infrared 850nm with heat sink
IR power LED power of 1 watt with heat sink. It emits light in the IR range with a wavelength of 850 nm.
Index: LED-02702
Index: LED-02702
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
IR transmitter TSSF4500 High Speed 890nm - 5pcs.
The wavelength is 890 nm and the dimensions of the diode are 4.5 x 4 x 4.8 mm.
Index: UCC-08586
Index: UCC-08586
940nm infrared transmitter - Iduino ST1087
Module with IR transmitter, works with a voltage of 5 V.
Index: GRL-12509
Index: GRL-12509
IR 940nm transmitter + wire - Iduino SE028
IR transmitter Iduino emitting light with a wavelength of 940 nm. Works with voltage of 5 V. The kit includes a cable 3-pin.
Index: OST-14286
Index: OST-14286
High Power Infrared LED Emitter - IR emitter module - STEMMA JST PH 2 mm - Adafruit 5639
High Power Infrared LED Emitter is a module manufactured by Adafruit equipped with a high power IR LED emitter. It also has a built-in N-Channel FET driver that allows you...
Index: ADA-22385
Index: ADA-22385
IR transmitter from Grove, emitting light with a wavelength of 940 nm. It works with a supply voltage from 3.3 V to 5.0 V. Sensor provides a signal to a distance of 10...
Index: SEE-04418
Index: SEE-04418
Grove - IR receiver 38kHz 940nm
IR receiver from Grove , operating at a frequency of 38 kHz with a supply voltage from 3.3 V to 5.0 V. Maximum sensitivity is observed for the wave length of 940 nm.
Index: SEE-04419
Index: SEE-04419
DFRobot Gravity - digital IR transmitter
Digital IR transmitter from the Gravity, operating at a frequency of 38 kHz with a voltage of 5 V. The module communicates with an IR transmitter, after pairing the modules.
Index: DFR-11268
Index: DFR-11268
IR 850nm 3W LED backlight module - wide angle - 2 pcs.
A set of two backlight modules, equipped with IR LEDs 850nm 3W. On the boards there are photoresistors that allow you to adjust the light depending on the brightness of the...
Index: ODS-04520
Index: ODS-04520
Infrared transmitter and receiver module - 940nm + 38kHz - STEMMA JST PH 2mm - Adafruit 5990
Compact module from Adafruit that allows both emission and reception of infrared signals (940nm, 38kHz). Equipped with two high-power LEDs , it supports a range of up to...
Index: ADA-25272
Index: ADA-25272
Infrared diodes and transmitters for IR communication
Infrared is one of the oldest bands of electromagnetic radiation used for communication. Due to the fact that the light from an IR diode, even of high power, is not visible to the human eye, infrared diodes are often used in systems around us - remote controls, camera illuminators, access control systems and alarm systems.
A wide selection of discreet infrared diodes
Discreet infrared diodes are frequently used elements in remote control systems. The receivers of light pulses from the IR diode are usually dedicated phototransistors or infrared photodiodes, which are further connected to appropriate transmission decoders. In our store's catalog you can find a wide selection of discreet IR diodes in standard LED housings, as well as diode modules, for example with high-power diodes.
IR LEDs for illumination for cameras
High-power IR diodes are often used as illuminators for infrared cameras. Most image sensors are made of silicon, whose maximum sensitivity falls in the visible light range, but reaches up to 900 nm. Thanks to this, such cameras are able to "see" infrared, which is often used in surveillance systems using a video camera. IR diodes are often used to illuminate places observed by this type of cameras. Infrared systems are preferred because the light from the infrared diode is not visible to our eyes and does not disturb, for example, people who live close to the observed area.
Modules dedicated to development kits
Our store's offer includes not only high-power IR diodes or discreet infrared diodes. You will also find here modules dedicated to integration with development kits, or infrared illuminators dedicated to cameras in popular single-board computer systems. Modules with infrared diodes available in our store are compatible with Grove standards, the Arduino ecosystem and other popular educational and development systems. Thanks to this, it is easy to integrate IR diodes in original projects, without the need to design a printed circuit board, connect the system on a breadboard or spider-solder the whole thing. Additionally, by using a ready-made module with an infrared diode, you do not have to worry about designing its driver or calculating the diode current that should flow through it.
IR infrared diodes - FAQ
An IR diode - also called an infrared diode - is a type of LED that generates radiation with a wavelength above (approximately) 750 nm, invisible to humans, but - unlike UV - safe for the human eye.
The general rule for selecting IR diodes for camera illuminators is to select the appropriate emission band - diodes around 850 nm may be slightly visible in the dark (due to a slightly red glow), but they allow for a greater range than completely invisible diodes ~940 nm.
Infrared itself is completely invisible to the human eye, but some LEDs operating in this band also emit a small amount of red light, which is already visible to the human eye.
The simplest and fastest method to check whether the infrared diode emits the expected radiation is to bring the mobile phone camera closer to it in a dark environment - if the diode is working, its light should be visible in the image as a white-purple glow.