Sunday, March 27, 2005

Checking the infrared sender of a Palm OS handheld

We all know this-sometimes, a Palm handheld just refuses to beam anything to another one. If the devices belong to two different people, immediate dispute arises usually-its your fault, your goddamn Palm V is too old, etc.
While I do not know of a way to check the infrared receiver currently, the sender can be checked easily-if there is a cameraphone close-by(not a digicam, as many filter IR).
The steps are easy-just launch the camera app, have the handheld beam something and watch its infrared window through the seeker! These photos show a Palm V, IIIc, Vii-Prototype and TT3 attempting to beam a file from the launcher:

Please keep in mind that the led isn't on all the time-it flickers and usually is on only about 1/5 of the time. It indeed took me quite some time to get these four pics done with the slow shutter of my SX1.
Here is a little 3gp video(about 400k) that should demonstrate what I mean. It will play in Kinoma 3EX, but without sound...
How do you check your infrared devices?


Anonymous Camilo Alvarez said...

Incredible.... i never had that thought... it works!! thanks! by the way... nice pda colecction!

5:39 AM  
Blogger Tam Hanna said...

glad to har that it woprks.
BTW, I will post photos of the VII soon-I know that I am promising this for half a year now, but it will really be soon!
Best regards
Tam Hanna

9:52 PM  
Anonymous Anonymous said...

senseless... what do you think how a spy camera works at night? This ones uses over 20 stron IR LEDs

8:02 PM  
Anonymous Anonymous said...

Gut gemacht Tam. Und wenn ich das Licht sehe, wie kann ich ausschließen das meine Handycam keinen Filter benutzt oder eine besondere Linse?
Gruß Wintermute

4:33 PM  
Blogger Tam Hanna said...

first off all, here is a translation of wintermute. He said as much as:
Good, Tam...
How can I determine if my cam uses a filter if I see the light..
So, here is your answer:
If you see the light, it doesn't filter. BTW, I think that you asked the opposite-if you don't see the ligfht, try to get a SX1 or something like this. And do a hardreset before testing, as overclockers, etc can affect IR.
And sth to Anonynous-I know that this article wasn't too interesting for specialists. But we aren't the lonly ones who read TamsPalm, are we?
Best regards
Tam Hanna

12:11 AM  
Anonymous Anonymous said...

If you do have a Palm try this


10:03 PM  
Anonymous Anonymous said...


Ich machs auch immer so, allerdings zeigen meine Kameras das Signal (T|C, Fernbedienungen, mit denen gehts auch) immer grün? Klappt auch mit einer Videokamera, Digitalkamera, Handy-Kamera

For English users: it works with all my cameras (mobile phone, camcorder, digital camera , ...) and you can even check your TV, Hifi etc. remote cause infrared is an invisible light but some cameras can "see" it and shows it as a green or purple light.

@Stoiniger: With this tool, you can check other devices but NOT your own Palm.

8:30 PM  
Blogger Tam Hanna said...

the IR Monitor is indeed an interesting program!
Best regards
Tam Hanna

1:57 PM  
Anonymous Ghia said...

Anonymous said "@Stoiniger: With this tool, you can check other devices but NOT your own Palm."
With IRMonitor, you check the IR receiver of your own Palm.

8:27 AM  
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