5 mm IR Transmitter and Receiver LED Tx Rx Pair Photodiode

[grcshekar71]

Hello,

How to connect this to Arduino Please IR TX and RX

I am using this as beam break sensor for around 20" range

[kolaha]

nothing special. translucent one as normal LED and dark one as input. just try.

[jremington]

@grcshekar71

I am using this as beam break sensor for around 20" range

How you have connected them, and is it working?

If you think connections should be changed, explain.

[Wawa]

What is the environment. A simple IR LED and photo diode does not work well across that distance if ambient light is present. It would be better to modulate that IR LED with an 38kHz carrier, and use a 3-pin IR receiver designed for continuous IR with it, not just a photo diode.
Leo..

Edit: Just saw you had a second thread running for the same project.

[runaway_pancake]

@Wawa

IR receiver designed for continuous IR

Link ?

[Wawa]

TSSPxxxx sensor instead of TSOPxxxx.

TSSP4038 is an 38kHz sensor with round lens.
Suitable for beambreak.
Leo..

[grcshekar71]

Hi, Can I create a Beam Break Sensor with following Parts and interface with arduino

Emitter

Receiver

[octopirate]

Yes but not in a totally straight-forward way. That receiver needs to receive 38kHz modulated IR, but that's not what that transmitter creates.

So you would need to modulate the IR yourself; I vaguely recall testing such a thing with the tone() command.

[grcshekar71]

Any alternative suggestions

[octopirate]

Either use a receiver that's just a straight ir photodiode, or use a transmitter that produces modulated IR in the first place.

The modulated way will be less susceptible to false readings from spurious transmissions around the place.

[grcshekar71]

Can u suggest one

[octopirate]

Not without doing the same search you could do

[grcshekar71]

@octopirate

transmitter that produces modulated IR

How about using KY-005 38KHz Infrared IR Transmitter Sensor Module buy online at Low Price in India - ElectronicsComp.com

[octopirate]

Actually, i just had another look at the page of the Grove emitter you linked at the start of the thread, and it says it is often used with the receiver you linked to. So perhaps the Grove emitter does produce 38kHz modulated IR?- it's now not clear (to me, anyway) if it does or if you need to take care of the modulation yourself.

But the Keyes one does specifically say it produces 38kHz modulated all by itself....

I'm pretty sure Keyes also have a receiver module (like the Grove one) so it might be worth looking for that and get a "matched pair" so to speak.

edit... but remember, you don't have to use modulated IR for a break beam, you can do that with a simple IR led and photodiode, unless the circumstances require you to use modulation, eg if the ambience is such that there are false readings, like outdoors for example.

[grcshekar71]

I found these two but I do not have expertise to find out whether this would work for me hence seeking advise. Yes it is for outdoor use

KY-005 38KHz Infrared IR Transmitter Sensor Module
Generic KY-022 Infrared IR Sensor Receiver Module

[octopirate]

Well I did a quick search (you didn't give a link...) and found this for that ky022:

.... so it seems that's a suitable pair from one manufacturer.

[grcshekar71]

@grcshekar71

KY-005 38KHz Infrared IR Transmitter Sensor Module
Generic KY-022 Infrared IR Sensor Receiver Module

So I use the following in pair right

KY-005 38KHz Infrared IR Transmitter Sensor Module
Generic KY-022 Infrared IR Sensor Receiver Module

[octopirate]

@grcshekar71

KY-022 Infrared IR Sensor Receiver Module

One thing I just remembered though, and perhaps others can answer before you commit, is that I know some IR 38kHz receivers are designed for tv style remotes, which send in bursts. They do not remain active for a long never ending stream such as what you would send from your permanently "on" transmitter.

I don't know how to tell if that KY022 is one or the other.

[grcshekar71]

You are very helpful. Yes you are right it is for TV remote. Ideally This one Suits IR Beam Break Sensor but not available in my country, If you figure out what is this, I would prefer to do it myself as it seems simple and meet my criteria

may be these parts are used IR Emitter and Receiver

[Ballscrewbob]

Your two topics on the same or similar subject have been merged.

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