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?
how can i save a sattelite or tv remote control on a microcontroller?
Jan 09, 2008
2 Replies
Not a specific frequency, but a bit pattern. Look at
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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.
I believe you are over-thinking the problem. This has been done hundreds of times before.
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