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Author Topic: How to make IR pen  (Read 4623 times)

Offline pradito

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on: July 06, 2011, 11:32:13 PM
how to make IR PEN for interactive whiteboard?
what's the procedure, I'm afraid to build this,
in LED, positive or negative which connect to switch?

I already have a LED TSAL 6400..How can I know this is real or not?
thanks for many help..

thank you,

pradito

Offline boonjin

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Reply #1 on: July 06, 2011, 11:57:30 PM
Quote from: pradito on July 06, 2011, 11:32:13 PM
how to make IR PEN for interactive whiteboard?
what's the procedure, I'm afraid to build this,
in LED, positive or negative which connect to switch?

I already have a LED TSAL 6400..How can I know this is real or not?
thanks for many help..

Hi,

The switch can be placed on any side of the LED.

The longer side is the anode (connect to the positive terminal of the battery).

You can search for guides online to build one.

For convenience, you may just purchase one IR pen from the sellers here which will save you a lot of trouble.

Regards,
Boon Jin

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Offline pradito

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Reply #2 on: July 08, 2011, 12:42:02 AM
OK... thank's Mr. Boonjin :D

thank you,

pradito

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