IR project

hi rickey!
i want to make a project for my summer vacations..i am interested in the project " controlling appliances with Infrared" using 8051. i have some knowledge of it , but i know that u can guide me in a better way..
i want to learn it step by step..and i hope u will help me doing this!!
so plzzzzz help me!! and kindly tell me the first step(starting 1)..
w8ing 4 u reply!!... Read Compelte post
Posted by abbas1707 on Mon Jul 30 2007, 04:58 PM

IR project

for IR project, you must start with sending data via IR. For this.. you need... an IR transmitter and IR receiver. IR transmitter is of course IR LED and receiver is TSOP1738 (used widely).

Now as TSOP1738 works on 38Khz frequency. So you need to make a circuit with the help of 555 Timer IC to generate a 38Khz square wave. Then the wave will be modulated corresponding to the data we want to send. a... Read Compelte post
Posted by ajay_bhargav on Mon Jul 30 2007, 06:07 PM
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