DTMF Module Version1 (RM0033) decodes DTMF signal either from an audio source or phone line to 4 bit binary TTL(5V) level output. It also indicates outputs with LED. It can be used directly with microcontrollers to develop various DTMF related applications like remote monitoring, remote control, Caller ID, Auto Dialer. This module can easily be used in conjunction with any of Robosapiens development boards and develop mobile operated robots and gadgets.

Features of DTMF Module Version 2

• Decodes DTMF as 4 bit binary.
• TTL level output for direct connection to microcontrollers.
• Low power 5V DC operation.
• LED indication of outputs.
• Simple to use.
• Based HT9170B IC.

Applications of DTMF Module Version 2

• Mobile controlled robot.
• Remote Control systems.
• Caller ID applications.
• Mobile controlled home appliances.
• Remote control using Mobile phone.

Kit Content of DTMF Module Version 2

• DTMF Module Version 2 For .
• AUX Wire.

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