TheDTMF(Dual Tone Multi-Frequency) decoder module is commonly used to control robots with a mobile phone, it is also used in different kinds ofhome automation projectswhere mobile dial pad input is required. This module works as atone decoderthat uses its 3.5 mm audio connector socket to get the input audio signal. The DTMF in tone based dial pads which produces a unique combination of two separate sine waves which can be decoded andproduced as binary output. This module can produce binary output by getting tone input from 0-9 number, A – D letters, * and # symbols. It is popularly used for mobile and fixed telephone voice dialing and recording related functions.

Specifications

• Power Input: 5V Nominal (4.5V – 5.5V)
• Onboard 3.5mm jack input Facility
• MT8870 Based Frequency Decoder
• 5 Channel Interface
• Detects 0-9, A-D, *, #
• LED notifier for Output state
• 54 Pin pitch

Package Content

1DTMF Decoder Module