Biomimicry (2025)

day4 journal

Yichao Xie and Shiran Guo January 21, 2025 10:51pm Privacy: Public

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 motorconst 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 100 for higher sensitivity
// Create a Servo objectServo myServo;
// Variable to track pressure statebool 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. Needed 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");}
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 3pressure state    }  }
  // Minimize delay (set to 50ms for faster response)  delay(50);  // Reduced delay to 50ms for even faster response}