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No commits in common. "67c1f0503acf0bd1aeadbf9b1b981ba2cd01d4df" and "0b8e4d3a5c86c4692087c7644e474f1da8e50e48" have entirely different histories.

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@ -16,16 +16,17 @@ DallasTemperature sensors(&oneWire); // declare sensors
double pidset, watertemp, output; double pidset, watertemp, output;
// PID adjustment // PID adjustment
double Kp=500, Ki=10, Kd=0; double Kp=2, Ki=5, Kd=1;
PID myPID(&watertemp, &output, &pidset, Kp, Ki, Kd, DIRECT); PID myPID(&watertemp, &output, &pidset, Kp, Ki, Kd, DIRECT);
int WindowSize = 5000; int WindowSize = 5000;
unsigned long windowStartTime; unsigned long windowStartTime;
// Temp adjustment // Temp adjustment
float tempset; int tempset;
int poti; int poti;
// time // time
int onesecond = 1000;
unsigned long previousMillis; unsigned long previousMillis;
@ -66,26 +67,7 @@ void setup() {
lcd.print("Weckkubator 0.0.1"); lcd.print("Weckkubator 0.0.1");
delay(3000); delay(3000);
lcd.clear(); lcd.clear();
// Setup LCD
// Output temperatureset
lcd.setCursor(0, 1);
lcd.print("set: ");
lcd.print(pidset);
lcd.write((byte)0);
// Output watertemp
lcd.setCursor(0, 2);
lcd.print("temp: ");
lcd.print(watertemp);
lcd.write((byte)0);
lcd.print("C");
// output PID
lcd.setCursor (0, 3);
lcd.print("output: ");
lcd.print(output);
} }
void loop() { void loop() {
@ -95,13 +77,11 @@ void loop() {
// update LCD // update LCD
unsigned long currentMillis = millis(); unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= 250) { if (currentMillis - previousMillis >= onesecond) {
settemp(); settemp();
readtemp(); readtemp();
lcdoutput(); lcdoutput();
previousMillis = currentMillis;
} }
} }
//------------------------------------------ //------------------------------------------
@ -109,7 +89,10 @@ void loop() {
void pid() { void pid() {
myPID.Compute(); myPID.Compute();
/************************************************
* turn the output pin on/off based on pid output
************************************************/
if (millis() - windowStartTime > WindowSize) if (millis() - windowStartTime > WindowSize)
{ //time to shift the Relay Window { //time to shift the Relay Window
windowStartTime += WindowSize; windowStartTime += WindowSize;
@ -134,20 +117,23 @@ void readtemp() {
// LCD output // LCD output
void lcdoutput() { void lcdoutput() {
// Output temperatureset // Output temperatureset
lcd.setCursor(8, 1); lcd.setCursor(0, 1);
lcd.print(pidset); lcd.print("set: ");
lcd.print(tempset);
lcd.write((byte)0); lcd.write((byte)0);
lcd.print("C"); lcd.print("C");
// Output watertemp // Output watertemp
lcd.setCursor(8, 2); lcd.setCursor(0, 2);
lcd.print("temp: ");
lcd.print(watertemp); lcd.print(watertemp);
lcd.write((byte)0); lcd.write((byte)0);
lcd.print("C"); lcd.print("C");
lcd.print(" "); lcd.print(" ");
// output PID // output PID
lcd.setCursor (8, 3); lcd.setCursor (0, 3);
lcd.print("output: ");
lcd.print(output); lcd.print(output);
lcd.print(" "); lcd.print(" ");
@ -158,15 +144,6 @@ void lcdoutput() {
// Read Poti // Read Poti
void settemp() { void settemp() {
poti = analogRead(A3); poti = analogRead(A3);
tempset = (20+(poti*0.04)); tempset = (18+(poti*0.07)); // range between 18°C and 18+1024*0,07 (~89°C)
pidset = tempset;
if (tempset <= 50) {
pidset = tempset;
}
if (tempset >= 51) {
pidset = (tempset+30);
}
} }