DTMF Kits
There are many sources of DTMF: tone pads, two-way radio microphone keypads, telephone systems, and even the keypad tones of your mobile phone. Several ICs for these kits are on the components page. See what you can do.
DTMF Decoder
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8 Output DTMF DecoderFeatures 4 12V relays with status LEDs, programmable ID. Can be assembled. View product |
DTMF Display
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DTMF OptoDTMF decoder Kit with relay output, opto coupled input and Morse Transpond. View product |
DTMF DetectorDTMF Detector kit with binary outputs. View product |
DTMF EncoderDTMF keypad encoder kit with single tone option and TX keying. |
DTMF Accessories
HT9170B
DTMF decoder IC, requires 3.579MHz crystal available on the components page. |
HT9200A
DTMF encoder IC (DTMF generator) requires 3.579MHz crystal, serial controlled from microcontroller. |

