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A project log for PATTERN RECOGNITION USING IR

An IR led transmits an encoded bit pattern which is modulated at 38Khz and is decoded at the reciever end using TSOP1838 on LPC2148.

Pragya ChoudharyPragya Choudhary 11/26/2018 at 06:270 Comments

The transmitter side has been successfully implemented. We are able to modulate the IR led at 38Khz and are able to encode a particular bit pattern which is also received by the receiver TSOP1838. The images taken on the DSO for different bit patterns have been attached. We are able to perform required functionality for one pattern however we are still working on how to distinguish the different patterns of decoded output of the receiver.

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