Grip Sensor

int led1 = 8;
led2 = 9;
int led3 = 10;
int led4 = 11;
int FSRanalogpin = 0;
int value;
int fsrReading;

void setup(void) {
Serial.begin(9600);

pinMode(led1, OUTPUT);

pinMode(led2, OUTPUT);

pinMode(led3, OUTPUT);

pinMode(led4, OUTPUT);

}

void loop(void){
value = analogRead(FSRanalogpin);
value = map(value, 0, 1023, 0, 500);
Serial.print("Analog reading = ");
Serial.println(value);

if (value < 10) {
digitalWrite(led1, LOW);

digitalWrite(led2, LOW);

digitalWrite(led3, LOW);

digitalWrite(led4, LOW);

} else if (value < 50 ) {
digitalWrite(led1, HIGH);

digitalWrite(led2, LOW);

digitalWrite(led3, LOW);

digitalWrite(led4, LOW);

} else if (value < 95) {

digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH);

digitalWrite(led3, LOW);

digitalWrite(led4, LOW);

} else if (value < 110) {

digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH);

digitalWrite(led3, HIGH);

digitalWrite(led4, LOW);

} else {

digitalWrite(led1, HIGH);

digitalWrite(led2, HIGH);

digitalWrite(led3, HIGH);

digitalWrite(led4, HIGH);

}

delay(100); //Delay of 100 milliseconds
}

(instructions coming soon - still drafting it up)

Supplies

x1 Arduino nano
x1 FSR
a bunch of M-M / M-F jumper wires

x4 LEDs

x2 mini circuit boards

x2 330 ohm resistor