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DTMF Development Board offers a very convenient way to generate DTMF tones and demodulate it. It uses the famous MT8880/MT8888 DTMF transreceiver IC.
- Easy 10 pin Box Header connector for interfacing data/control pins
- Crystal derived frequency source for accurate generation and demodulation of DTMF tones for your project
- Onboard upto 350 mW audio amplifier block for DTMF tones with Volume Adjust Preset
- 5V Supply sourced via interfacing Box Header
- Header type analog connection
- Four mounting holes 3.2 mm each
- PCB dimensions 56 mm x 49 mm
DTMF Module – [Link]
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