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      DTMF Shield for Arduino (Dossant)
      • DTMF Shield for Arduino (Dossant)

      DTMF Shield for Arduino (Dossant)


      DTMF Shield for Arduino (Dossant)

      Množstvo :
      • Bezpečný nákup
      • Rýchle dodanie
      • Pomoc s nákupom

      DTMF Shield for Arduino (Dossant)

      Plugs into an Arduino board and convert DTMF (Touch Tone) signals into digital so that Arduino and other microcontrollers can understand.

      At the heart of this module is a DTMF decoder chip. This application specific chip that does all the heavy lifting so that the interface with your Sketch is easy.

      Product Description
      Here’s a functional diagram of the DTMF Shield:

      Key Features:
      • Operating Voltage: 5v, Current draw: 3mA
      • Input signal range: 27.5 to 869mVrms  (-29 to 1dBm )
      • Trim pot for easy gain adjustment.
      • 3.5mm stereo audio jack (TRS) and 0.1″ standard interface headers
      • Easy to reconfigure the audio jack pinout
      • LED to indicate tone decoded
      • 0.79″ x 2.16″, 20mm x 55mm
      Demo Video:
      Below is a collection of videos demonstrating the operation of the DTMF Shield. You’ll notice that some of the videos the prototype DTMF boards. The earlier boards did not have the Arduino headers. The final board I refer to as the v400. That is the board I provide the documentation above.

      videos here

      Board Loopback Test
      Below is the library for the DTMF shield along with instructions on how to install them. As a sample sketch I created the loopback test where the shield sends a DTMF tone and decode that same tone it sent out!

      Preparation Steps: 
      Run the test
      run the “Loopback test”described in the DTMF Shield manual http://www.dossant.com/public_files/dtmf_module/dtmf_v400/DTMF_Module_v400_user_manual.pdf

      Špecifické referencie

      Produkty v rovnakej kategórii: 16