proteus connections for adc digital thermometer

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Password Based Locking System

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Building Digital thermometer using ADC in ARM7 (lpc2148)

            //Main Program #include<lpc214x.h> #include"lcd.h" void hex(unsigned int var); int main() { int temp, adc_data; PINSEL1|=(0<<25)|(1<<24); delay(); while(1) { IODIR0|=D4|D5|D6|D7; IODIR0|=RS|E; IOCLR0|=D4|D5|D6|D7; IOCLR0|=RS|E; lcd_init(); AD0CR=0x01200302; while(!(AD0GDR&0x80000000)); temp=AD0GDR; adc_data=((temp>>6)&(0x3FF)); lcd_string("Temp is "); hex(adc_data); lcd_string("mV"); delay(); } } void hex(unsigned int var) { unsigned char i,d[4]; for(i=0;i<4;i++) { d[i]=var%10; var=var/10; } for(i=0;i<4;i++) { lcd_conv(d[3-i]+0x30); } }   \\lcd library file// #include<lpc214x.h> #define RS (1<<16) #define E (1<<17) #define D4 (1<<10) #define D5 (1<<11) #define D6 (1<<12) #define D7 (1<<13) void delay(void); void lcd_init(void); void lcd_cmd(int ); void lcd_string(cha...
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