Feb 13, 2012 #1 S subinsubin Newbie level 1 Joined Feb 13, 2012 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,285 i am thinking about home automation using 89c51/89s52 by decoding DTMF from mobile phone
Feb 13, 2012 #2 Li_ereunpisan Full Member level 5 Joined Jul 14, 2009 Messages 260 Helped 32 Reputation 64 Reaction score 28 Trophy points 1,308 Location Bandung, Indonesia Activity points 2,768 what is your question? you need multiple interfaces, including the DTMF detector is drived from speaker output your mobile phone
what is your question? you need multiple interfaces, including the DTMF detector is drived from speaker output your mobile phone