RDL Technologies Pvt.Ltd
DTMF Decoder shield for arduino

DTMF Decoder shield for arduino

This board 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. Suitable for use with microcontroller applications.

Order Code : RDL/DDS/14/001/V1.0


  • 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.
  • High quality PCB FR4 Grade with FPT Certified. 

I/O Connections:

Package Contains :

  • DTMF Decoder shield
Note :  Aurdino displayed in the above picture is not included in the package. 

885.00 718.00