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counter with PIC

Ascending some level, we introduce a new type of counter using 16F84A Pic, as always we rely on the basic functions and simple programming language has Pic Simulator Ide. In this case we have two buttons including one that increases the RA0 and another that decreases the account would be the RA1, with delays to eliminate mechanical bounce of the buttons, but the resistors also meet the same principle as the difference is that one is controlled by the pic and the other varies with the resistance.

Used Components:

- 1 Pic 16F84A.
- 3 buttons.
- 2 Capacitors 22pF ceramic.
- 2 100nF Ceramic Capacitors.
- 4 Ohm Resistor 330R 1 / 2 Watt.
- 1 Ohm resistor 100R 1 / 2 Watt.
- 1 Led. - 1 Common Cathode Display
- 1 4 MHz quartz crystal.

the code. Hex. Asm and. Bas we can download the following link :

How Long Does It Take Abscess

Auto Lights Fantastico Automatic Alarm

This circuit is very easy and great visual harmony is a small demonstration of the many ways in which we can use the pic 16F84A, in this case we have in the Port B pin 6 to 13 connect LED's which light up in different ways, each is activated by the Port A Pin 17, 18, 1, 2, 3. The program is designed Pic Simulator IDE. Using basic functions we can perform this circuit.

Used Components:

- 9 LED's.
- 1 Pic 16F84A.
- 15 Ohm Resistor 330R 1 / 2 Watt.
- 1 4 MHz quartz crystal.
- 6 buttons.
- 2 22pF ceramic capacitors.
- 2 100nF Ceramic Capacitors.

the code. Hex. Asm and. Bas we can download the following link: