// Pins const int ledPin = 9; // "Heater" (PWM output) const int tmpPin = A0; // TMP36 sensor input
float Kp = 1.0, Ki = 0.5, Kd = 0.1; // Tuning constants float error, lastError, integral, derivative; int targetPos, currentPos; void setup() pinMode(9, OUTPUT); // PWM Motor Pin attachInterrupt(0, updateEncoder, RISING); // Pin 2 for feedback void loop() targetPos = analogRead(A0); // Desired target from Potentiometer error = targetPos - currentPos; integral += error; derivative = error - lastError; float output = (Kp * error) + (Ki * integral) + (Kd * derivative); analogWrite(9, constrain(output, 0, 255)); // Adjust motor speed lastError = error; void updateEncoder() currentPos++; // Real-time feedback from motor encoder Use code with caution. Copied to clipboard 📈 Analysis & Results tinkercad pid control
Happy controlling.