electronic answering machine free 8051 Microcontroller Projects AVR PIC Microcontroller Projects Tutorials Ebooks Libraries, interfacing tutorials, lcd tutorial, stepper motor, dc motor 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems
 
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Tag: electronic answering machine

auto answering circuit
Forum -> Electronics
Circuit:


Circuit Description:
Here is a circuit of a simple telephone answering unit which may be used with any telephone. The circuit consists of three main sections:
1. Ring detector section.
2. A timer controlled electronic switch and telephone line interface.
3. A voice IC having a specific pre-recorded message.
This is not very critical and any other device (such as tape player with message recorde...

answering machine circuit   automatic answering machine   electronic answering machine   
Posted by Ajay on Monday 22 October 2007 - 04:18:18



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8051 Microcontroller Projects 8051 AVR tutorials PIC microcontroller, 8051 assembly language programming electronics and communication ECE CSE pdf ebooks library BE final year project ideas Embedded systems