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1st November 2006, 11:14 PM
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 i need a led number hi everybody iam mohd qaisi: i want to make a final year project which it is infrared net based touch screen ,so i dont have any number for sender and reciever ,so if any body know numbe of thiese led give me please ,this led must transmit waves minimum to 20 cm . so reciever must recieve for 20 cm long . | |
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1st November 2006, 11:22 PM
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| Pretty much any IR LED will go 20 cm if you give it a suitable current pulse. I would concentrate on parts you can obtain in your part of the world. | |
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1st November 2006, 11:26 PM
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| thanks thanks mr Papabravo for ur reply . | |
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