Скачать или смотреть Arduino Tutorial #24: How to use Pulse Rate Sensor with Arduino, (20 of 37 Sensor Kit)

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Arduino Tutorial #24: How to use Pulse Rate Sensor with Arduino UNO, (20 of 37 Arduino Sensor Kit).
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CODE
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/*
This is 20 of 37 Sensors Tutorial code
NOTE: Please replace $ sign with open and close Angle brackets in the code below, because YOUTUBE won't let me include angle brackets in video's Description.
*/


#include $LiquidCrystal_I2C.h$ //In this line Please replace $ sign with open and close Angle brackets

//connections SDA--A4 and SCL--A5
//initialize the liquid crystal library
//the first parameter is the I2C address

LiquidCrystal_I2C lcd(0x27, 16, 2);
int SensorPin = A0;
int ledPin = LED_BUILTIN;
int sensorValue = 0;

void setup() {

lcd.init(); //initialize lcd screen
lcd.backlight(); // turn on the backlight
pinMode(ledPin, OUTPUT);
pinMode(SensorPin, INPUT);
}

void loop() {
delay(300);
sensorValue = analogRead(SensorPin); // Read sensor value
lcd.clear();
lcd.setCursor(0, 0); //write on the top row
lcd.print("Sensor Data: ");
lcd.print(sensorValue);
}


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