Aug 4, 2005 #1 W Weis Guy Member level 4 Joined May 2, 2005 Messages 75 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,951 Anyone knows how to create DTMF generator without using a package IC for tone generation..using only basic components!
Anyone knows how to create DTMF generator without using a package IC for tone generation..using only basic components!
Aug 4, 2005 #2 A aldevan Full Member level 2 Joined Aug 2, 2005 Messages 143 Helped 14 Reputation 28 Reaction score 2 Trophy points 1,298 Location São Paulo - Brazil Activity points 2,420 you can genenaton using microcontroller, I have exemplo with at89s8252 (8051) and 2 resistor, if you want it tell me a send you
you can genenaton using microcontroller, I have exemplo with at89s8252 (8051) and 2 resistor, if you want it tell me a send you
Aug 5, 2005 #3 W Weis Guy Member level 4 Joined May 2, 2005 Messages 75 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,288 Activity points 1,951 how about using PIC16F84a?
Aug 5, 2005 #4 F fredsm Newbie level 3 Joined Mar 30, 2005 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,312 Easy. Use the components from an old 2500-type touchtone pad. Two inductors, a couple of transistors,. and a few caps and resistors. <als>
Easy. Use the components from an old 2500-type touchtone pad. Two inductors, a couple of transistors,. and a few caps and resistors. <als>