LITAR NI AKU
PIC 16F84 12 24 Hour Digital Clock Circuit And Programming
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.
| 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:
- 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.
No comments:
Post a Comment