PIC 16F84 12 24 Hour Digital Clock Circuit And Programming

Date:2012-11-13Author:

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 – 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:

  • Design this circuit diagram on veroboard or pcb using 18 pin IC base.
  • Program your PIC (pic16f84 or pic16f84a) using PIC Programmer with ic-prog programmer software and this .HEX file. You can follow these instructions.
  • Install PIC on IC base.
  • Supply power to your circuit and set time using PB1 and PB2.

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 ClockPIC 16F84 PIC16F84A 12 24 Hour DIGITAL Clock


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Tags:pic16f84 clock, pic16f84 digital clock, pic16f84 clock circuit, pic16f84 digital clock circuit, pic clock circuit, pic clock, 12 hour clock circuit, 24 hour clock circuit, digital clock circuit, digital clock circuit diagram, digital clock, clock pro
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