//MQ2 :LPG, i-butane, propane, methane, alcohol, hydrogen and smoke
//The potentiometer is to calibrate the A0|D0 connector
int Analoginput = A0;
void setup()
{
Serial.begin(9600);
}
void loop()
{
int val;
val=analogRead(Analoginput);
Serial.println(val,DEC);//Print the value of the Readout
delay(100);
}
...
https://www.youtube.com/watch?v=u5g2UDbpLqU
Near-death experiences (NDEs) are profound and often life-altering experiences that occur to individuals who have come close to death or have been clinically dead for a brief period. These experiences typically involve a variety of vivid and intense sensations, such as a sense of leaving the physical body, moving through a tunnel, encountering a bright light, and having a panoramic life review.
...
https://www.youtube.com/watch?v=_gVZfTrXW_E
const int sensorPin = 9; // the number of the sensor pin
const int ledPin = 13; // the number of the LED pin
int sensorState = 0; // variable for reading the sensor status
void setup()
{
Serial.begin(9600);
pinMode(ledPin, OUTPUT);
pinMode(sensorPin, INPUT);
}
void loop()
{
// read the state of the sensor value:
sensorState = digitalRead(sensorPin);
// if it is, the sensorState is HIGH:
if (sensorState == HIGH)
{
Serial.println("Movement detected");
digitalWrite(ledPin, HIGH);
delay(1000);
}
else
{
Serial.println("No Movement detected");
digitalWrite(ledPin, LOW);
delay(1000);
}
}
...
https://www.youtube.com/watch?v=mcZ3_IHGvps
Near-death experiences (NDEs) are profound and often life-altering experiences that occur to individuals who have come close to death or have been clinically dead for a brief period. These experiences typically involve a variety of vivid and intense sensations, such as a sense of leaving the physical body, moving through a tunnel, encountering a bright light, and having a panoramic life review. Near Death Experience Story 30
...
https://www.youtube.com/watch?v=3ccZVZE0tXA