Use of HT12D and HT12E

[Mohit Soni]

Use of HT12D and HT12E with RF module?

[sourabh]

H12D is decoder while H12E is encoder. When the data is send via RF is in encoded form then it is decoded by decoder at receiver’s end.

[Qaisar]

these are 4 channel IR/RF tranciver ic’s. u can use it to build 4 channel IR/RF remote control. but this pair of ic’s is expensive .

[m venugopal]

The HT 12E Encoder ICs are series of CMOS LSIs for Remote Control system applications. They are capable of Encoding 12 bit of information which consists of N address bits and 12-N data bits. Each address/data input is externally trinary programmable if bonded out.

The basic RF module in market is four channels with 434Mhz

[m venugopal]

Yes absolutely HT12E and 12D are for RF but by simple changes at transmitter we may use for IR also.

In order to use a IR LED you need to change the encoder to the HT12A series,

On the decoder side keep to use the HT12D.

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