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Tech

[Discussion] All About (IR) Infrared Blaster!

2018-07-16 17:58:26
24729 8

Hello Mi Fans!

In most of the Xiaomi device there is IR Blaster to use remote control app. In Mi Remote app we can see that there are many devices which can control by IR Blaster. So let’s have a discussion on it.

WHAT IS IR/INFRARED?
Infrared (IR) is an invisible radiant energy, electromagnetic radiation with longer wavelengths than those of visible light, extending from the nominal red edge of the visible spectrum at 700 nanometers (frequency 430 THz) to 1000000 nm (300 GHz) (although people can see infrared up to at least 1050 nm in experiments. Most of the thermal radiation emitted by objects near room temperature is infrared.

SIMPLE DEFINITION
Infrared (IR) radiation is a type of electromagnetic radiation (a wave with electricity) . The wave is longer than light which humans can see and shorter than microwaves. The word infrared means below red. It comes from the Latin word infra (meaning below) and the English word red.

An infrared blaster (or IR blaster) is a device that emulates an infrared remote control to autonomously control a device that is normally controlled only by remote control key presses.

An IR Blaster or IR Transmitter emulates the functionality of remote for any device. IR Blaster works by emitting an infrared signal or infrared light to the device and then controlling it various functions. The infrared light is emitted by small LED and it is invisible to naked eye. This infrared signal or light contains a particular infrared code in form of pattern for each device and its functions, so that the receiving device can recognize it and then operate accordingly.

For example LG and Samsung TVs infrared codes will be different and also for its various functions like volume, power on/off etc. Therefore if your Smartphone is having an IR Blaster then it can act as Universal Remote. There are also some good applications for IR Blaster that can convert your Smartphone as a Universal Remote.

Types Of IR Blasters
  • Internal IR Blaster
  • External IR Blaster


Internal IR blaster as the name says are devices with IR blaster inbuilt inside them. They are permanently fixed inside and usually is much more optimized than external blasters since the phones support them. Most phones with internal IR blaster have an dedicated software.

An external blaster is a add-on device that can be attached to your android smartphone and turning it into a Universal remote. There are two types of external IR blasters, one plug into the 3.5mm audio port of your phone and other one in the micro-USB port of your smartphone and it only works if your smartphone supports OTG (On-The-Go).External IR blasters are not that successful and they do not work on every smartphone. They need special IR Blaster software of their own for their working. Also the range of these external IR blasters is not good.



Main Uses Of IR Blaster
  • Televsion
  • Microwave
  • Set-top Box/Cable
  • Gaming Console
  • Fans
  • Home-theatre/Dvd
  • Air Conditioner  


IR LEARNING
IR learning is the capability of a device to learn commands from another IR device, for instance your TV isn't in the list of supported devices you can take the device's remote point, aim and shoot at the phone's IR  blaster and set the buttons accordingly very few devices support IR learning.

CONCLUSION
Hope you all understood about IR BLASTER and its uses. According to a study nearly 40% of people who own phones with IR Blasters don't use it because they don't know much about it, hope this tech class is useful and will make people use the most out of IR Blasters.

How many devices you have paired with your Mi Remote app? Let us know in reply section.


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2018-07-16 17:58:26
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Grand Master Bunny

Ar_Ashik | from Redmi Note 5 Pro

#1

Nice information...
2018-07-17 07:12:20
Regards,

Md Ashikur Rahman
Mi Community Bangladesh

Moderador

Tanvir Ahammad | from Mi A1

#2

helpful for all
2018-07-17 10:30:46
Regards,
TANVIR AHAMMAD
Moderator, Mi Community Bangladesh

Rookie Bunny

Tasfid | from Redmi Note 4

#3

Xiaomi must have remote support for Bangladeshi Brands like Walton, Jamuna or vishion
2018-07-17 19:21:49

Grand Master Bunny

muhtady Author | from MI 5

#4

Tasfid
Xiaomi must have remote support for Bangladeshi Brands like Walton, Jamuna or vishion

Will add those brand when MIUI version will customize for us.
2018-07-18 03:13:39

Rookie Bunny

JaZaBoR | from Redmi Note 5A

#5

I am using xiaomi for 2 years but still I did not get my led tv and air condition on the list ( sky vew tv, singer ac).
2018-08-14 20:25:23

Rookie Bunny

6294520050 | from app

#6

Sir i have redmi note 8 pro, most of the times it doesn't work at all, if it off my AC then it will not turn it on, kindly me in this...
2020-03-04 22:51:01
helpful
2020-03-11 20:12:30

Rookie Bunny

1682120291 | from app

#8

Can we use as a infrared thermometer
2020-05-21 10:45:23
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muhtady

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