Senin, 24 Desember 2012

PIC16F84 12 or 24 Hour Digital Clock Circuit Diagram

PIC jam digital didasarkan pada mikrokontroler 16F84. menggunakan empat 7-segmen displays.

PARTS LIST
R1 – R8100Ω
R910kΩ
R10 R1310kΩ
C122pF
C222pF
D1LED
U1 – U4Common Cathode 7 Segment Display
Q1 – Q4C828
Xtal14 MHz Crystal
IC17805 Regulator IC
PIC1PIC 16F84 OR PIC16F84A
PB1 -PB3Push to ON push button switch
PB1 for set minutes.
PB2 for set hours.
PB3 for Reset.
D1 LED indicate seconds.
Notes:
Thats all. :-)
pic16f84 pic16f84a microcontroller pin configuration
PIC16F84 Pin Configuration
Also provided asm files, so you can develop or modify this clock circuit.


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