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Can anyone explain me how to interface fingerprint sensor (R303A) with ARM9? Also can anyone provide me the circuit diagram or atleast information about R303A?
hi guys....
m working on a project where i need to interface a fingerprint module SFG R30X with atmega 16
m facing initial problem with interfacing and sending commands to module......
here is wat m doing
#define GetImg 0x01
uartInit();
lcd_init();
char str[2];
int i;
_delay_ms(1000);
lcd_display("hello",LINE1);
while(1)
{
uartPutc(GetImg);
for(i=0;i<=1;i++)
str=receiveByte(); //doing this juz to check the response
lcd_display(str,LINE2);
_delay_ms(10000);
}
please help me with the correction in codes if m doing wrong......
i m new to this things n need serious help on this
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