IR sensor query

[sandeepanand]

hi
I m working with 38 Khz IR sensor . I dont know how to supply
such a frequeny using IR LED, can any body help me (ckt required)


thanks

 

[CFoley1064]

Subject: IR sensor query

From: [email protected]-dot-in.no-spam.invalid (sandeepanand)
Date: 9/26/2004 6:00 AM Central Daylight Time
Message-id: <[email protected]>

hi
I m working with 38 Khz IR sensor . I dont know how to supply
such a frequeny using IR LED, can any body help me (ckt required)


thanks

VCC VCC VCC
+ + +
| | |
.-. | |
| | .----o---o---.
27K| | | 8 4 |
'-' | | VCC
| | | +
o-----o 7 | ~ |
| | | ___ ~ |
.-. | 3 o-|___|--|<----'
| | | 555 |
4.7K| | | |
'-' .--o 6 |
| | | |
o--o--o 2 |
1nF | | |
or --- | 1 5 |
--- '----o---o---'
..001uF| | |
=== === ===
GND GND GND
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