switch elektronik AVR programable

Projek saklar elektroni yang sifatnya fleksibel dengan beberapa fitur dengan desain elektronika yang kompleks.

fiture

MCU Atmega 8au / SMD
programable SPI interface
UART/USART Serial
4 pin ADC
I2C serial
6 pin I/O
4 Relay Switch

mapping Hardware

Relay 1 PD.6
Relay 2 PD.7
Relay 3 PB.0
Relay 3 PB.1

UART PD.0 //RX
UART PD.1//TX

ADC.0 PC.0
ADC.1 PC.1
ADC.2 PC.2
ADC.3 PC.3

SDA PC.4
SCL PC.5

gambar skematik

gambar PCB

pdf file pcb 

google drive  mediafire

eagle pcb

google drive mediafire

contoh program cek relay CVAVR

#include <mega8.h>

#define rl_1 PORTD.6  

#define rl_2 PORTD.7   

#define rl_3 PORTB.0 

#define rl_4 PORTB.1

#define on  1;

#define off 0;

void main(void)

{

// Bit1=Out Bit0=Out 

DDRB=(1<<DDB1) | (1<<DDB0);

// Bit1=0 Bit0=0 

PORTB=(0<<PORTB7) | (0<<PORTB6);

DDRD=(1<<DDD7) | (1<<DDD6);

// State: Bit7=0 Bit6=0 

PORTD=(0<<PORTD7) | (0<<PORTD6);

while (1)

      {

     rl_1 = on ;

     rl_2 = on ; 

     rl_3 = on ;

     rl_4 = on ; 

      }

}