cant use cardboard bc it's burning in the laser cutter. We have to switch to wood
#include <Servo.h> // Include the Servo library
// Define the pin connected to the pressure sensor (FSR)
const int fsrPin = A0; // FSR sensor connected to analog pin A0
// Define the pin for the servo motor
const int servoPin = 9; // Servo motor connected to pin 9
// Define the threshold value to detect pressure (lowered for increased sensitivity)
int threshold = 50; // Adjusted threshold to 50 for higher sensitivity
// Create a Servo object
Servo myServo;
// Variable to track pressure state
bool isPressureApplied = false; // Track if pressure is currently applied
void setup() {
// Start the serial communication
Serial.begin(9600);
// Wait for the serial port to connect
while (!Serial) {
; // Wait for the serial port to connect (necessary for native USB port boards)
}
// Attach the servo to pin 9
myServo.attach(servoPin);
// Initialize the servo to its resting position (0 degrees)
myServo.write(0); // Set servo to 0 degrees at the start
// Print a startup message
Serial.println("Pressure Sensor with Servo Example Initialized");
} // <-- Closing brace for setup() here!
void loop() {
// Read the analog value from the sensor (0 to 1023)
int sensorValue = analogRead(fsrPin);
// Print the sensor value to the serial monitor (optional)
Serial.print("FSR Value: ");
Serial.println(sensorValue);
// Check if the sensor value exceeds the threshold (pressure detected)
if (sensorValue > threshold) {
if (!isPressureApplied) {
// Pressure applied, move the servo to 0 degrees
Serial.println("Pressure Detected");
myServo.write(0); // Move servo to 0 degrees when pressure is applied
isPressureApplied = true; // Mark that pressure is applied
}
} else {
// Pressure released (sensor value below threshold)
if (isPressureApplied) {
Serial.println("Pressure Released");
myServo.write(70); // Move servo to 70 degrees when pressure is released
isPressureApplied = false; // Reset the pressure state
}
}
// Minimize delay (set to 50ms for faster response)
delay(50); // Reduced delay to 50ms for faster response
}
improved code