DTMF TONE GRABBER

(Kit - Soldering Required)


(click picture to enlarge)
diy k153

DTMF Tone Grabber Kit

This kit will detect DTMF tones from a telephone line or via an onboard microphone and display them on a 16 character, single line display. Up to 32 numbers can be displayed by scrolling the display left and right. There is also a serial output for sending the detected tones to a PC. The kit will not detect numbers dialed using pulse dialing - DIY Kit 53.

The kit is controlled by an Atmel 89C2051 micro controller (source code not supplied nor available).

Specifications:

  • Mic or Phone Input via switch.

  • Operating voltage 9-12VDC
    (Need a Power Supply?)

  • Displays up to 16 digits, stores up to 32 digits.

  • Dimensions: 3-3/4"W x 2-1/4"L x 1"D.

See CK0605.pdf for complete details, including schematic and theory of operation.  Requires Adobe Acrobat Reader available at www.adobe.com for FREE!

DTMF.zip - This is a wav file that plays the tones for all the keys on a touch tone telephone pad.  You can use this to test the CK605 by downloading, uncompressing the file, and playing the .wav file. into the mic input on the kit.

Note: This is a kit, you will receive parts to build the item pictured.  If you do not know how to solder you can check out our learn to solder kit. CK0605 - DTMF Tone Grabber Kit - $32.95

Quantity and Educational discounts?

 

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