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how can i save a sattelite or tv remote control on a microcontroller?

H

honeymoon6002

whenever a satellite or tv remote control button is pushed down, a
specific frequency is created. how can i save a binary number relative
to the frequency created, on a microcontroller?
 
S

Stephen J. Rush

whenever a satellite or tv remote control button is pushed down, a
specific frequency is created. how can i save a binary number relative
to the frequency created, on a microcontroller?

Not a specific frequency, but a bit pattern. Look at

www.ee.washington.edu/circuit_archive/text/ircodes.txt

for some of the protocols. In general, the bit stream modulates a
subcarrier, around 40 KHz, which modulates the infrafred. There are
inexpensive modules containing a photodiode, a demodulator and a standard
ttl-level serial interface. Look at places like Digi-Key.
 
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