HT12E | Electronics › Electronics › ht12e & ht12d. can’t matching clock frequency. › HT12E May 5, 2015 at 8:55 am #12860 m venugopalParticipant Actually HT12E nad 12D are for RF …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
