Caller Line Identification displays on a (2×16) LCD the phone number of the person who is ringing you, before you even answer, this number stays on the LCD till it will be replaced by a new received phone number or if the button is pressed.
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The idea of this project came from my youngest son. He was dreaming of a small tool able to write symbols or pictures on a screen. As a graphic LCD (even bought at Crownhill ) was too expensive (or too easy??), the solution adopted was to pilot a matrix of Leds. This way, with [...]
Caller ID circuit displays name and a telephone number of the person that is calling you. Information is decoded using MT8870 DTMF decoder and PIC16F628 microchip and is displayed on 2×16 LCD.
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