Microcontroller based caller id project Items tagged with Microcontroller based caller id project
Caller id project
First of all talking about the circuit. I will give a brief description of the ICs used.
1. MT8870: A DTMF decoder IC, parallel o/p.
2. AT89C2051: 8051 Controller
3. LCD: For display
4. MCT 2E: Opto coupler to check the receiver is picked or not.
Now Software..
The code is really simple, at the top is ports definition. Defining the MT8870 interface as..
1. MT8870: A DTMF decoder IC, parallel o/p.
2. AT89C2051: 8051 Controller
3. LCD: For display
4. MCT 2E: Opto coupler to check the receiver is picked or not.
Now Software..
The code is really simple, at the top is ports definition. Defining the MT8870 interface as..
Other Tags: caller id project using AT89C2051 AT89C2051 projects working of caller id project microcontroller based caller ID project AT89C2051 based Caller id project
Posted by ajay_bhargav on Wed Jul 25 2007, 06:59 pm
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