PIC Microcontoller Input / Output Methods

for DTMF

http://RAT_RING.piclist.com All sorts of good PIC Phone interface stuff. Even generating V23 modem signals directly. Caller ID decode. etc...Also at http://www.geocities.com/kenboak/rat_ring.html

Dave Thomas's DTMF Encoder

Regulus Berdin's DTMF Encoder

Also:

See also:

http://www.dattalo.com/technical/theory/dtmf.html Scott Dattalo DTMF Decoding, and Sine, digital twist (cached) (Dual Tone relative amplitude adjustment or low pass filtering), and PWM256 routines for really precise DTMF generation Scott also has an updated version of the sinewave routines specific to the 18cxxx.
http://mondo-technology.com/qdft.html PIC based DTMF decoder with 9600 baud serial output.
http://www.skyinet.net/~ecb/ PIC code for a DTMF generator
http://www.brouhaha.com/~eric/pic/dtmf.html Eric Smith's DTMF dialer
http://www.markworld.com/ttservo.asm Drives 8 R/C model servos from positions input via DTMF commands received with an M8870 DTMF decoder. Programmable position memories can save keystrokes.

See:

file: /Techref/microchip/dtmf.htm, 3KB, , updated: 2010/3/31 07:17, local time: 2024/12/21 22:21,

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