Arduino Based Heartbeat Monitor Project
อุปกรณ์
1. Arduino UNO
2.Sensor module (Heartbeat module )
3.LCD 16x2
4.Bread board
5.Power and Connecting wires
ตัวอย่างโค้ด
#include<LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int in = 8;
int Reset=6;
int start=7;
int count=0,i=0,k=0,rate=0;
unsigned long time2,time1;
unsigned long time;
byte heart[8] =
{
0b00000,
0b01010,
0b11111,
0b11111,
0b11111,
0b01110,
0b00100,
0b00000
};
void setup()
{
lcd.createChar(1, heart);
lcd.begin(16,2);
lcd.print("Heart Beat ");
lcd.write(1);
lcd.setCursor(0,1);
lcd.print("Monitering");
pinMode(in, INPUT);
pinMode(Reset, INPUT);
pinMode(start, INPUT);
digitalWrite(Reset, HIGH);
digitalWrite(start, HIGH);
delay(1000);
}
void loop()
{
if(!(digitalRead(start)))
{
k=0;
lcd.clear();
lcd.print("Please wait.......");
while(k<5)
{
if(digitalRead(in))
{
if(k==0)
time1=millis();
k++;
while(digitalRead(in));
}
}
time2=millis();
rate=time2-time1;
rate=rate/5;
rate=60000/rate;
lcd.clear();
lcd.print("Heart Beat Rate:");
lcd.setCursor(0,1);
lcd.print(rate);
lcd.print(" ");
lcd.write(1);
k=0;
rate=0;
}
if(!digitalRead(Reset))
{
rate=0;
lcd.clear();
lcd.print("Heart Beat Rate:");
lcd.setCursor(0,1);
lcd.write(1);
lcd.print(rate);
k=0;
}
}
ไม่มีความคิดเห็น:
แสดงความคิดเห็น