Hotline automatic dialing devices circuit diagram

Published:2011/10/21 2:13:00 Author:Rebekka | Keyword: Hotline automatic dialing devices | From:SeekIC

Hotline autodial circuit is shown as below. The automatic dialer uses PIC16C5 Microchip's MCU. This circuit can guaranteethat it can automatically store the last issuing phone number after picking. And it ensures that when it is in the busy tone, it will dial the number automatically over 2 seconds.



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