DTMF Decoder and Display DTMF Decoder and Display Quasar Electronics Detects DTMF tones via an onboard electret microphone or direct from the phone lines through an audio transformer. The numbers are displayed on a 16 character, single line display as they are received... Electronics > Circuit Components > Printed Circuit Boards > Development Boards 3153KT 3153KT 45.55 Quasar Electronics Limited

DTMF Decoder and Display

AS3153KT - DTMF Decoder and Display
Pre-Assembled and Kit versions available

Detect DTMF tones from tape recorders, receivers, two-way radios, etc using the built-in microphone or direct from the phone line (via the onboard line isolation transformer).

The numbers are displayed on a 16 character, single line display as they are received.

Up to 32 numbers can be displayed by scrolling the display left and right. There is also a Serial Output for connection to a PC. All data written to the LCD is also sent to the serial output, including the RESET and READY messages. Data is sent as standard ASCII characters.

The unit will not detect numbers dialled using pulse dialling. Circuit uses a CM8870 DTMF receiver chip and pre-programmed microcontroller. This product is NOT a caller ID unit!

Specifications
Supply9-12Vdc Regulated (Order Code 660.446UK)
Current consumption<20mA @12Vdc
Display16x1 LCD
InputPhone line or built-in microphone
PC Serial OutputStandard ASCII characters (9600 8N1)
Dimensions~55 x 95 x 35 mm
Board ConnectionsPower: 5.5 x 2.5mm DC socket
Line-in & PC Serial output: solder pads
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Out of stock items are presented below. Click an item name to receive an in stock email notification as soon as it becomes available.
SELF-ASSEMBLY DTMF Decoder and Display Electronic KIT
Quasar 3153KT - SELF-ASSEMBLY DTMF Decoder and Display Electronic KIT
£31.63 Exc VAT, £37.96 Inc VAT | Out Of Stock | Stock Email Notification
PRE-ASSEMBLED DTMF Decoder and Display Module
Quasar AS3153 - PRE-ASSEMBLED DTMF Decoder and Display Module
£41.63 Exc VAT, £49.96 Inc VAT | Out Of Stock | Stock Email Notification
Notes

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