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Description
DTMF Module
DTMF Module used for DIY project.
MT8870 DTMF Decoder Module is a very tiny module that is based on MT8870 DTMF decoder ic. The module offers a 3.5mm audio connector to connect an audio source. The DTMF Signal in the audio source is decoded and the digital outputs on the module, indicate the key pressed. 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. This module is suitable for modem interfaces, mobile radios and other DTMF related applications. Can be used to build mobile controlled robots, home automation projects, IVR style applications, etc
This component is ideally suited to adding dual tone multi-frequency (DTMF) decoding to your project. This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers.
DTMF is commonly found in touch tone devices such as a phone. The tone is a combination of two separate sine waves that produce a unique signal that can be transmitted or heard. When the module receives the signal it is able to decode it and produce a binary output that can be used in other devices. The module shows the state of the signal through onboard LEDs.
Additional information
| Weight | 0.009 kg |
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