DTMF Tone Grabber Kit – CK0605

Product Description

DTMF Tone Grabber Kit – CK0605

This DTMF Tone Grabber 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 K153.

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.
• Electronic Kit – Soldering required.