introduction of flex sensor.

1. Flex Sensor
Hang Do Thi Duc | Jane McDonough | Hsuan Chou

2. https://www.youtube.com/watch?v=1TfKs-PUL4U

3. https://www.youtube.com/watch?v=PIhmBszYHOU

5. void setup() {
Serial.begin(9600);
// the array elements are numbered from 0 to (pinCount - 1).
// use a for loop to initialize each pin as an output:
pinMode(A0, INPUT);
}
!
void loop() {
//mapped range for flex sensor is 0 - 24
int flex = analogRead(A0);
Serial.println(flex);
!
if (flex <= 4) {
digitalWrite(2, HIGH);
delay(100);
digitalWrite(2, LOW);
}
else if (flex <= 8){
digitalWrite(3, HIGH);
delay(100);
digitalWrite(3, LOW);
}
else if (flex <= 12){
digitalWrite(4, HIGH);
delay(100);
digitalWrite(4, LOW);
}
else if (flex <= 16){
digitalWrite(5, HIGH);
delay(100);
digitalWrite(5, LOW);
}
else if (flex <= 20){
digitalWrite(6, HIGH);
delay(100);
digitalWrite(6, LOW);
}
else if (flex <= 25){
digitalWrite(7, HIGH);
delay(100);
digitalWrite(7, LOW);
}
}