PIC 16F84 12 24 Hour Digital Clock Circuit And Programming

PIC 16F84 12 24 Hour Clock




PIC16F84 12 or 24 Hour Digital Clock Circuit Diagram And Programming

This PIC digital clock is based on a 16F84 microcontroller. it uses four 7-segment displays.The software in the microcontroller allows for very accurate timekeeping.

PIC 16F84 pic16f84a 12 24 Hour Clock Circuit diagram

PARTS LIST
R1 – R8 100Ω
R9 10kΩ
R10 R13 10kΩ
C1 22pF
C2 22pF
D1 LED
U1 – U4 Common Cathode 7 Segment Display
Q1 – Q4 C828
Xtal1 4 MHz Crystal
IC1 7805 Regulator IC
PIC1 PIC 16F84 OR PIC16F84A
PB1 -PB3 Push 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.

Download digital clock asm and hex files.

PIC 16F84 12 24 Hour Clock PIC 16F84 PIC16F84A 12 24 Hour DIGITAL Clock




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