![]() ![]() This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers. This component is ideally suited to adding dual-tone multi-frequency (DTMF) decoding to your project. Can be used to build mobile controlled robots, home automation projects, IVR style applications, etc This module is suitable for modem interfaces, mobile radios, and other DTMF-related applications. You may connect a phone to the module and the module will output the key(0-9, *, #, A, B, C, or D)pressed on the audio source. The DTMF signal in the audio source is decoded and the digital outputs on the module, indicate the key pressed. The module offers a 3.5mm audio connector to connect an audio source. ![]() MT8870 DTMF Decoder Module is a very tiny module that is based on MT8870 DTMF decoder ic. ![]()
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January 2023
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