Database Users

HTC maple LED?!

ok i was wondering... why is there two LEDs on HTC maple and only one is being used

I noticed that too. There's got to be an app that allows you to customize how they blink. I used an old one for HTC phones but is not compatible.

I'm pretty sure the "light" on the right side of the phone is the sensor that automatically dims the backlight if you have the option turned on. I don't think it's an LED at all.

I think that there is only one LED diode exactly on the left side on the right side is a light sensor.

http://forum.xda-developers.com/showthread.php?t=680231

I didn't see anything about the second LED from that link. So does this mean the other LED will not blink?

It's not an LED.

jinbuster said:
ok i was wondering... why is there two LEDs on HTC maple and only one is being used
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The left side is a bi-colour LED with (maybe tri-colour) but so far I have only seen green and orange. Red maybe the third colour. Unlike the HTC Hermes 200 (Tytn) that had a second LED that was flashed blue when the bluetooth was active, the HTC Maple does not seem to have it. The right lens is actually a light sensor for the keyboard backlight *IF* you wish to use that feature which quite frankly SUCKS as I can't see anything most of the time because it doesn't switch on the backlight when you really need it.

I would prefer if it actually controls screen brightness. I wonder if there's a patch for that?

astrise said:
I would prefer if it actually controls screen brightness. I wonder if there's a patch for that?
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Doubtful as it only seems to be a on or off command and not a on at level command. I just wish that it would be adjustable for light level setting as it never comes on in low light conditions when it should unless you cover it with a finger.

front camera on htc hd 2

i see in fron of my htc hd2 in left side two small lens is that a fron camera.

No. It's not.

alibox87 said:
i see in fron of my htc hd2 in left side two small lens is that a fron camera.
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One is a proximity sensor (turns off the screen when it's up against your face during a call) and the other is a light sensor (for the backlight's auto-dimming function)

its how the gov't is tracking you.
actually i'm glad as all the other phones get front face cameras i won't have one, no one needs to see my ugly mug.

Lol awesome first post!

it is an eyescanner? or a whole to feed the pink elephants?

I have some Risperidone for you...

Front cameras will be the cause for many divorces or split-ups...

secano said:
Front cameras will be the cause for many divorces or split-ups...
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Actually with any luck front cameras will prevent many people from getting together in the first place

dont think its coming to this country but the rest of the world uses it, at one point last year we were headed in that direction but the minmo7 devices turned it down unless the companies are still waitin to unleash the devices but the network can handel the data

sirphunkee said:
One is a proximity sensor (turns off the screen when it's up against your face during a call) and the other is a light sensor (for the backlight's auto-dimming function)
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If you want to get real technical about it, one of the holes is a light sensor that is sensitive to daylight for backlight brightness control and IR for proximity sensing, the other hole is an IR led that turns on during a phone call. When you hold the phone next to your face the IR led bounces off your skin and back into the 1st hole telling the HD2 that you have it near your face.
Try this, initiate a cell call on the HD2, then hold a video camera over those 2 holes. you'll see the IR LED lit up. It only lights during a cell call. Even better if you have a sony camcorder with nightshot mode activated, though just about every CCD/CMOS sensor is sensitive enough to IR even with the internal IR filter in place that you should be able to see it
Im going to take a guess that the IR led isn't just constantly lit, but likely pulse width modulated to some frequency the HD2 recognizes that way the light sensor can tell the difference between the IR bounce back and ambient light. I couldn't tell with my camera that it was PWM, but it could quite likely be at a frequency greater than 30hz, which you wouldn't be able to see on a standard video camera at 30fps. you'd need a high speed camera, or another IR sensitive photo diode attached to an oscilloscope.

d0ug said:
If you want to get real technical about it, one of the holes is a light sensor that is sensitive to daylight for backlight brightness control and IR for proximity sensing, the other hole is an IR led that turns on during a phone call. When you hold the phone next to your face the IR led bounces off your skin and back into the 1st hole telling the HD2 that you have it near your face.
Try this, initiate a cell call on the HD2, then hold a video camera over those 2 holes. you'll see the IR LED lit up. It only lights during a cell call. im going to take a guess that the IR led isnt just constantly lit, but likely pulse width modulated to some frequency the HD2 recognizes that way the light sensor can tell the difference between the IR bounce back and ambient light.
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Awesome, thank you for the white paper I love that kind of stuff!

If it is quite dark, you can see the LED blink about once a second...

Heyy all,
Actually the guy was asking if that's a FRON camera. Yes it is!!!

chvvkumar said:
If it is quite dark, you can see the LED blink about once a second...
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I think you're looking at the notification led on the far left of the earpiece speaker grille. I highly doubt you can see the IR LED with your naked eyes. Were talking about the two dots under the glass just to the left of that.
matyoka said:
Actually the guy was asking if that's a FRON camera. Yes it is!!!
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That sensor is not a front camera. its a photodiode http://en.wikipedia.org/wiki/Photodiode i guess you could call it a 1 pixel camera lol

d0ug said:
I think you're looking at the notification led on the far left of the earpiece speaker grille. I highly doubt you can see the IR LED with your naked eyes. Were talking about the two dots under the glass just to the left of that.
That sensor is not a front camera. its a photodiode http://en.wikipedia.org/wiki/Photodiode i guess you could call it a 1 pixel camera lol
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Believe me i can tell if it is an LED otherwise I wouldn't be doing my masters in electronics
and to answer your question, it definitely not the notification LED or the light bleeding from it into the adjacent space. when a call is in progress and it is very dark around, you can just make out the faint blinking.

alibox87 said:
i see in fron of my htc hd2 in left side two small lens is that a fron camera.
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Wait for HD3 to solve the problem just for you

3 things to the left of the speaker... What is 3rd?

So I've always just accepted there was no lcd notification light.
Today I looked really close and I'm seeing 3 items. From left to right:
1. Proximity sensor (which works really well)
2. WHAT IS THIS?
2. Ambient light sensor
Or are two things used for one function?

1. Proximity sensor
2. Proximity sensor
3. Ambient light sensor.
A proximity sensor is two parts: an infra-red transmitter and a receiver. It measures the amount of light that bounces back to determine how close your face is.
Sent from my SGH-T959 using XDA App

Good to know, thanks.

Well, that was a short thread.
Sent from my SGH-T959 using XDA App

It doesn't look like a proximity sensor, it looks like a camera

Troll ....

I remember reading in a thread somewhere that the lights that are behind the soft keys are all individually lit (you can see it turns off the light of the key you push if you hold your phone sideways and look under your finger) and they were looking to create a code or app that will turn one of them into a notification light our a combination of them to specify different types of notifications.
wish I could remember if I even read it here or not.... Sounds like its doable and a viable alternative to an led, cept prob uses alot more battery

At least one of the three will light up. When I installed SIP Droid to connect to my VoIP server at the office, one of them lit up red as a connection error.

[Q] Anyone able to locate just where the light sensor is?

This may be a total noob question, but I was just curious to know the exact location of the light sensor because I cant seem to figure out where it is located.

EricSS619 said:
This may be a total noob question, but I was just curious to know the exact location of the light sensor because I cant seem to figure out where it is located.
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That dot that looks like a front facing camera (FFC) - that is your sensor there that controls screen on/off on calls and the auto brightness.

riggsandroid said:
That dot that looks like a front facing camera (FFC) - that is your sensor there that controls screen on/off on calls and the auto brightness.
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Are you sure, because when I ran sensor test that dot did change the proximity sensor values, but the light values wouldnt change even if I covered it completely.
The only way I was able to change the light value was to move the whole phone into a darker or brighter location, but not by finding a pinpoint sensor on the phone.

Edit 2: When I cover the proximity sensor dot (the obvious one) with my finger and shine a light at the phone, nothing happens, and when I remove my finger from the dot and shine a light right on it, the screen gets brighter. I suspect both sensors are in the same spot (the plastic dot you see probably transmits ambient light to the light sensor as well as housing the proximity sensor, in the way many computers use a little clear/frosted plastic piece to indicate the status of an LED that is buried in the chassis.
Try it with a flashlight and see if you get different results.

If you are interested in disabling the light sensor go into settings and manually set your brightness.
I have to say the proximity sensor works much better than on my Hero.
Sent from my HTC Evo Shift 4G

i noticed the proximity sensor responds much faster than the one on my Evo

The light sensor is just to the right of the proximity sensor under the speaker grill. Turn on auto-brightness and test it with your finger.
Sent from my PG06100

BrandoKC said:
If you are interested in disabling the light sensor go into settings and manually set your brightness.
I have to say the proximity sensor works much better than on my Hero.
Sent from my HTC Evo Shift 4G
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thats because i dont believe there is a proximity sensor on the hero.

karnoff said:
thats because i dont believe there is a proximity sensor on the hero.
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I guess that's why it would be working better!

proximity sensor red light

hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?

Ehh.. What?
Sent from my GT-I9100 using XDA Premium App

My sensor gives red light the proximity sensor. Sorry for my english. Id this normal?
Sent from my GT-I9100 using XDA App

He is saying his proximity sensor is red. Mine is red too. I think its normal. I can only see it when its dark though
Sent from my GT-I9100 using XDA App

Yep, very weak red light is normal. That's because it rather bright near infrared light.

Okay i can see i call and sometime when my phone is in standby have anyone this problem?
And when i test the sensor with AndroSensor than can i see rhe redlight. Some people says on a forum that the sensor cans see of the phone wet is with water...
Sent from my GT-I9100 using XDA App

rvosde1993 said:
hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?
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Click to collapse
when you are making call or sensor is activated somehow it' became red.
thats normal. dont panic.

It has nothing to do with water.

Okay. I will thank our now i can good sleep have a nice night or day!
Sent from my GT-I9100 with (Litening Rom 5.0) using XDA App

My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.

xsaintzx said:
My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.
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Most probably .. contact the maker ..

rvosde1993 said:
hello
my sgs2 have a problem he brings a light by my camera the proximity sensor.
and he brings red light what is this is this a wetness warning or what?
my olde sgs2 hes in the water falls. and i have a new sgs2. only he gives to red light in the sensor and he was wet.
is that the problem or what?
Click to expand...
Click to collapse
i guess its a wetness sensor.. as i just experienced this issue some time back...
i had just taken a bath n my cell starting ringing, i went ahead n received the call without drying myself. As soon as i ended the call my screen went off, there was this red light coming out of one of the sensors, and the phone wasn't even switching on. I had to remove the batteries and place them back after which it started like normal.

xsaintzx said:
My proximity sensor will lit up the red light whenever I open up TalkBox app, I don't understand why as that app doesn't even use proximity sensor, maybe a bug or coding error in the program.
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Talkbox uses the proximity sensor to determine how you are listening to your messages. If you hold the phone up to your ear then it will play the message through the earpiece. If you hold it away from your face then it will use the speaker.

karakemal said:
when you are making call or sensor is activated somehow it' became red.
thats normal. dont panic.
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thx bro. i almost freaked out wen it happened again. and then i noticed that it only turns red wen m making a call ^_^

I have a problem with my proximity sensor too...
whenever im playing games/smsing/browsing with the phone...pretty much anything...
the red light is up...the only time its off is when lock...i used lcd test...it works fine(except ppl's proximity is 'null'...mine was '0')...anyone had this type of problem?
thx...=)

xWishx said:
I have a problem with my proximity sensor too...
whenever im playing games/smsing/browsing with the phone...pretty much anything...
the red light is up...the only time its off is when lock...i used lcd test...it works fine(except ppl's proximity is 'null'...mine was '0')...anyone had this type of problem?
thx...=)
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Click to collapse
null = 0 -.-

then any idea why is my proximity sensor light always on?i don think its normal...=)

xWishx said:
then any idea why is my proximity sensor light always on?i don think its normal...=)
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It may be a bug or something... Did you try updating your phone, or flashing a new stock/custom ROM to see if the problem remains ?

Proximity sensor which is located beside the front facing camera will always be activated whenever you're in a call. It's slightly red in colour, and more noticable in a dark room. To see the proximity sensor in action you can go to the phone dialer and key in *#0*# and it will bring up the LCD test. Select sensor and you can see the red light of the proximity sensor being lit up. Hover your finger or an object over the proximity sensor (need not to be covering the sensor) and the phone will vibrate and so will the background change to green.

SGS-II said:
Proximity sensor which is located beside the front facing camera will always be activated whenever you're in a call. It's slightly red in colour, and more noticable in a dark room. To see the proximity sensor in action you can go to the phone dialer and key in *#0*# and it will bring up the LCD test. Select sensor and you can see the red light of the proximity sensor being lit up. Hover your finger or an object over the proximity sensor (need not to be covering the sensor) and the phone will vibrate and so will the background change to green.
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Lol at you... Did you even bother reading the first page of the thread ? Guess not, since you're just repeating what we already told the guy