(Sorry for my bad English!)
Hi!
My Galaxy S2 i9100 and my Galaxy Tab 7.7 P6800 has
a built-in infrared LED (look at my attachment).
Is it possible to use this as a remote control for TV, etc.?
Exist an App for that? I can not find the right app.
The App "Smart Cover" uses the Infrared LED to detect
whether cover is closed.
i think it is impracticable because the range of the ir... if you find an app to control the led, you will need to stay so close to the iv receptor to work.
I think the LED is bright enough for a few meters.
It only looks dark in the picture.
It would have to be tested, but I'm not a programmer.
Dr.InSide said:
(Sorry for my bad English!)
Hi!
My Galaxy S2 i9100 and my Galaxy Tab 7.7 P6800 has
a built-in infrared LED (look at my attachment).
Is it possible to use this as a remote control for TV, etc.?
Exist an App for that? I can not find the right app.
The App "Smart Cover" uses the Infrared LED to detect
whether cover is closed.
Click to expand...
Click to collapse
Ehm...
As far as I know there is no IR there unless yours is different (or proximity sensor doubles as IR)
Regards...
The light in my proximity sensor is red, not white. And that too, it's so dim that you can't spot it at all during daytime.. -.-
If you see a red light, it's not IR.
IR can't be seen with the naked eye.
SufiSam said:
The light in my proximity sensor is red, not white. And that too, it's so dim that you can't spot it at all during daytime.. -.-
Click to expand...
Click to collapse
IR LED looks on photos white-violett. Test it with your own TV remote control ...
shayne77 said:
If you see a red light, it's not IR.
IR can't be seen with the naked eye.
Click to expand...
Click to collapse
This is wrong! With human eyes looks some powerful IR LED extremely dark red.
It also depends on the wavelength of the infrared LED.
I don't deny that there is a proximity sensor! The fact is, it includes an IR LED.
But the big question is: can you switch the sensor fast enough to send
remote control signals with it ...
And I've tested it with black electrical tape. If you stick the tape on light sensor,
the proximity sensor does not work. The proximity sensor is a combination of
the infrared LED and the light sensor. So you could even use the light sensor
for learning remote control signals.
It's only a matter of feasibility. That could be a very interesting test project.
But I'm no programmer.
This is correct, the IR-LED is from the proximity sensor, most phones use IR-LEDs with 850nm wavelength. These IR-LEDs are not single wavelength (like lasers) they usually bleed into adjacent wavelengths all the way down to 700nm (Red color) that is why some times they can be seen. The IR-LED is directly controlled by the proximity sensor, and in most phones is only active during a call. The only way to control the IRLED would be by accessing the sensor through I2C commands. Also these proximity sensor pulse the IR-LED usually for a few us to up to ms, but the timing control is not very flexible. Android doesnt provide an API to directly control all the prox sensor function so this would have to be done at the driver level.
Dr.InSide said:
IR LED looks on photos white-violett. Test it with your own TV remote control ...
This is wrong! With human eyes looks some powerful IR LED extremely dark red.
It also depends on the wavelength of the infrared LED.
I don't deny that there is a proximity sensor! The fact is, it includes an IR LED.
But the big question is: can you switch the sensor fast enough to send
remote control signals with it ...
And I've tested it with black electrical tape. If you stick the tape on light sensor,
the proximity sensor does not work. The proximity sensor is a combination of
the infrared LED and the light sensor. So you could even use the light sensor
for learning remote control signals.
It's only a matter of feasibility. That could be a very interesting test project.
But I'm no programmer.
Click to expand...
Click to collapse
Related
Someone has a link or something? Does it track your eyes with the camera or is the RGB sensor somehow used? Thanks.
bcam117 said:
Someone has a link or something? Does it track your eyes with the camera or is the RGB sensor somehow used? Thanks.
Click to expand...
Click to collapse
I think you're referring to the RGB LED on the front which is the notification light. It means the light can change to practically any color to have different colors for different notifications.
As for the software features that utilize face tracking, I'm sure it uses the front facing camera to do it.
On gsmarena it's listed as a sensor.
bcam117 said:
On gsmarena it's listed as a sensor.
Click to expand...
Click to collapse
Ah. I see it. I'm pretty certain they're referring to the notification light which is an RGB LED.
Maverick777 said:
Ah. I see it. I'm pretty certain they're referring to the notification light which is an RGB LED.
Click to expand...
Click to collapse
No, they don't.
http://www.capellamicro.com.tw/EN/products_list.php?mode=19
DJ Palmis said:
No, they don't.
http://www.capellamicro.com.tw/EN/products_list.php?mode=19
Click to expand...
Click to collapse
thanks for some info, searching in google always ends up with LED, youtube does the same, so may be its related with notification part.
bala_gamer said:
thanks for some info, searching in google always ends up with LED, youtube does the same, so may be its related with notification part.
Click to expand...
Click to collapse
I would be surprised if it were used for something more than just setting the backlight.
At most it handles screen color temperature... I think nothing more.
i guess RGB LED means the LED emits Red Green and Blue light!!
The RGB sensor is the notification led, probably the word "sensor" is a translation errror. and yes R stands for red, G for green and B for blue so you can expect the led can display a rainbow of colors and using the right apps you can adjust the color for each type of notification to your liking.
LOL
You kidding me, aren't you?
nope it is not a typo. check this page out http://imaging.nikon.com/lineup/dslr/d800/features01.htm this is what it says under the part rgb sensor
"Advanced Scene Recognition System with 91K-pixel RGB sensor
Nikon's revolutionary Advanced Scene Recognition System, introduced with the flagship D4 camera, is also employed in the D800/D800E. At its core is a 91K-pixel RGB sensor that meticulously analyzes each scene with the fine resolution. The RGB sensor can recognize your scene's colors and brightness with unprecedented precision, then use that information to implement various automatic controls and give you more natural-looking results. The real breakthrough, however, is that the sensor can detect human faces with startling accuracy when shooting through the optical viewfinder. Along with face detection, detailed scene analysis is utilized to support more accurate autofocus, auto exposure and i-TTL flash exposure results in a diverse range of compositional and lighting situations. The improved subject tracking is most noticeable when using 3D-tracking, which can maintain a focus on moving subjects smaller in size than with previous generations."
Click to expand...
Click to collapse
now we know what makes smart stay possible ?
3lflre said:
nope it is not a typo. check this page out ... this is what it says under the part rgb sensor
now we know what makes smart stay possible ?
Click to expand...
Click to collapse
Smart Stay uses the front camera
So let me get this straight....
So samsung galaxy s3 uses the front camera's image sensor and then processes that image using the RGB sensor for detecting faces in it for tracking??....All of this process in real time??
Answer here...
bcam117 said:
Someone has a link or something? Does it track your eyes with the camera or is the RGB sensor somehow used? Thanks.
Click to expand...
Click to collapse
The Galaxy S III has an interesting add-on - an RGB ambient light sensor. We've contacted Samsung about it and they say typical ambient light sensors detect only green light (it's the one the human eye is most sensitive to), but they don't work too well under fluorescent lighting. The RGB sensor detects all visible light and supposedly makes better adjustments to the screen brightness.
No no no! It's not the led light! It's not face tracking! It's the light sensor that detects brightness around you then adjusts screen to match! It's one if the best features in samsung phones as most sensors respond to some wavelengths better than others making crappy screen brightness adjustments in fluorescent indoor light but an rgb sensor detects much more accurately the ambient light!
woops, wrong thread
Holy crap, been a long time since I've seen you around! Captivate days bro
Sent from my SAMSUNG-SGH-I727 using XDA Premium 4 mobile app
I just got my Verizon G3 2 days ago, I am having a problem with the IR BLASTER, it has a range of about 6 inches...at first I thought it wasnt working at all but then something made me put it right next to the TV sensor and it works, if I am more then 6 inches away from the TV it does not work... anyone else experience this issue and if so is there a fix for it?
No. I have only tried it once since I received the phone on launch day but when I did try it I was an entire room away with no issues
Sent from my VS985 4G using XDA Free mobile app
I've been using the IR blaster daily since I got the phone about a week ago. I can say that it has a very narrow angle (much narrower than a traditional remote control) so it has to be aimed directly at the TV. If it is off by more than a few degrees then the sensor in the TV cannot see the phone's LED. With that said, I can still use it from across the room if the angle is dead on.
One question I have for you (and don't take offense)....are you sure you are aiming the IR blaster at the TV and not the camera's laser autofocus? The IR blaster is on the top of the device while the laser for the autofocus is on the back. At 6" the IR blaster may still work even if not aimed directly which is why I ask.
I will admit, I would prefer if they put the IR blaster on the back instead of the top as I find it clunky to use a touchscreen phone like a remote and point directly at the TV. Would be easier to operate like you would the camera and aim the back of the phone at the TV. The IR LED could also be used in conjunction with the camera for better night vision had they went that route......maybe something LG can think about on their next flagship
Artimis said:
I've been using the IR blaster daily since I got the phone about a week ago. I can say that it has a very narrow angle (much narrower than a traditional remote control) so it has to be aimed directly at the TV. If it is off by more than a few degrees then the sensor in the TV cannot see the phone's LED. With that said, I can still use it from across the room if the angle is dead on.
One question I have for you (and don't take offense)....are you sure you are aiming the IR blaster at the TV and not the camera's laser autofocus? The IR blaster is on the top of the device while the laser for the autofocus is on the back. At 6" the IR blaster may still work even if not aimed directly which is why I ask.
I will admit, I would prefer if they put the IR blaster on the back instead of the top as I find it clunky to use a touchscreen phone like a remote and point directly at the TV. Would be easier to operate like you would the camera and aim the back of the phone at the TV. The IR LED could also be used in conjunction with the camera for better night vision had they went that route......maybe something LG can think about on their next flagship
Click to expand...
Click to collapse
no offence taken and yes I am pointing the phone in the right direction, I did see the sensor on the back and thought, maybe that is it but realized it was not, I did more research and found out it is very narrow, I got my case today and it actually seems better with the case on, maybe the little funnel around the sensor shoots it better, I dont know...but it now works about 10 feet away, still too short for me to be happy, my HTC one M7 would work from accross a large room with no problem, didnt even have to point it directly at TV, worked just like a regular remote control. I dont use it often but it is nice to have when I do need it, I did find alot of other complaints on the short range of it, maybe someone will develop a mod to increase its power...
I have the same issue and I checked my ir blaster with a digital camera. I was able to see light from my ir blaster only when I had closed all the lights and i was in complete darkness. Also i noticed that my blaster might be misplaced as the light was not coming out from the centre.
As you may kniw, Nexus 5X has a laser distance meter to be used by the camera. I recently noticed that it actually emits IR light. So could it be possible to somehow write an app (or modify an existing one) to use that piece of hardware instead of an actual IR blaster.
For anyone wondering how I found that it emits IR light, I used the traditional method of using a camera pointed to the laser, and I noticed that purple (or whatever color) light
guys i watched many videos on you tube about poco f1....and in all videos the IR blaster light is clearly shows that it emits torch type light.....but in my poco f1 its just ON the IR sensor in the form of red light....it works fine though..
but can some of u confirm that its a only red light sensor and not torch which illuminates brighter while unlocking....
plzz revert me.....if its a problem then i hv to replace the mine one within 2 days......
Hey, when infrared rays are viewed through a camera, they are white in color. Simple, take another mobile phone, open video camera, watch the ir illumination on the poco f1 , you'll also see that white light.
Is not visible to naked eyes, simillar to the ones you see in conventional IR remotes
Try to capture/see from another phone camera, while you unlock! you can see that Torchlight in your phone too.. Dnt wry much! Just enjoy the Master of the Speed!
Atul57 said:
guys i watched many videos on you tube about poco f1....and in all videos the IR blaster light is clearly shows that it emits torch type light.....but in my poco f1 its just ON the IR sensor in the form of red light....it works fine though..
but can some of u confirm that its a only red light sensor and not torch which illuminates brighter while unlocking....
plzz revert me.....if its a problem then i hv to replace the mine one within 2 days......
Click to expand...
Click to collapse
shivy25 said:
Hey, when infrared rays are viewed through a camera, they are white in color. Simple, take another mobile phone, open video camera, watch the ir illumination on the poco f1 , you'll also see that white light.
Click to expand...
Click to collapse
so its just a red light when we see it naked eyes...means no torch types illumination is seen by eyes?
Atul57 said:
so its just a red light when we see it naked eyes...means no torch types illumination is seen by eyes?
Click to expand...
Click to collapse
You'll see it if you try to unlock your device in dark
hmmm i saw a red light when filming a video , question , is that ray harmful ?
Aimara said:
hmmm i saw a red light when filming a video , question , is that ray harmful ?
Click to expand...
Click to collapse
No. I don't think so. It's not the same you read in books. It doesn't have that much power
Atul57 said:
guys i watched many videos on you tube about poco f1....and in all videos the IR blaster light is clearly shows that it emits torch type light.....but in my poco f1 its just ON the IR sensor in the form of red light....it works fine though..
but can some of u confirm that its a only red light sensor and not torch which illuminates brighter while unlocking....
plzz revert me.....if its a problem then i hv to replace the mine one within 2 days......
Click to expand...
Click to collapse
there is a reason it is called "infra"red.
Google is your friend.
while we are waiting situation with terrible GPS to be resolved in some way....
does anyone know how rest of GTR sensors are being used. specification says:
BioTrackerTM PPG biological tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air-pressure sensor, Capacity sensor, Ambient light sensor
Click to expand...
Click to collapse
what are geomagnetic sensor, air-pressure and capacity sensors being used for?
There is an altimeter, and pressure sensor inside that you could check within some menus to check how high and the air pressure.
Geomagnetic is the magnetic North.. compass app will help you here