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HT12A Encoder

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Fahime

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Hi,
I'm having a problem with encoder HT12A. I'm not sure if it's used for both infrared and RF transmitter or it's just used for infrared transmitter. Please take a look at the datasheet that is attached.
 

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According to the data sheet, the HT12A is modulated with 38 KHz for use with IR, while the HT12E is expected to be used to modulate an RF carrier.
 
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