diff --git a/src/main.cpp b/src/main.cpp
index 28c3434..642ab80 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -36,13 +36,17 @@ float derivedOverShoot = targetTemp;
 float derivedUnderShoot = targetTemp;
 unsigned long lastSwitch = 0;
 unsigned long autoSwitchDelay = 20000; // 20s
-float pwmSwitchDelayOn = 4000;         // 4s
-float pwmSwitchDelayOff = 7000;        // 7s
+float pwmSwitchDelayOn = 2000;         // 4s
+float pwmSwitchDelayOff = 4000;        // 7s
 float power = 0;
 
+float kp = 0.25;
+float ki = 0.25;
+float kd = 0.25;
+
 String mode = "off";
 
-PIDController pid(1.0, 0.5, 1.0, 100.0, 0.0, 50.0); // Kp, Ki, Kd, max, min, integ_max
+PIDController pid(kp, ki, kd, 100.0, 0.0, 50.0); // Kp, Ki, Kd, max, min, integ_max
 
 // Get Sensor Readings and return JSON object
 String getSensorReadings()
@@ -68,6 +72,10 @@ String getSensorReadings()
   readings["pwm_on"] = pwmSwitchDelayOn;
   readings["pwm_off"] = pwmSwitchDelayOff;
 
+  readings["kp"] = kp;
+  readings["ki"] = ki;
+  readings["kd"] = kd;
+
   serializeJson(readings, jsonString);
   return jsonString;
 }
@@ -168,6 +176,24 @@ void handleWebSocketMessage(void *arg, uint8_t *data, size_t len)
       Serial.printf("\nMode set to ");
       Serial.print(mode);
     }
+    if (message.startsWith("setKp"))
+    {
+      String k = message.substring(6, 12);
+      kp = k.toFloat();
+      // pid.setSetKp(0.3);
+    }
+    if (message.startsWith("setKi"))
+    {
+      String k = message.substring(6, 12);
+      ki = k.toFloat();
+      // pid.setSetKp(0.3);
+    }
+    if (message.startsWith("setKd"))
+    {
+      String k = message.substring(6, 12);
+      kd = k.toFloat();
+      // pid.setSetKp(0.3);
+    }
     if (message.startsWith("setPWMOn"))
     {
       String target = message.substring(10, 15);
@@ -327,7 +353,7 @@ void setup()
 
   // Create PID controller instance
   pid.setSetpoint(targetTemp);
-  pid.setDt(4);
+  pid.setDt(2);
 
   ElegantOTA.begin(&server);
 
diff --git a/src/pid.cpp b/src/pid.cpp
index f2eb8cd..40c7fb1 100644
--- a/src/pid.cpp
+++ b/src/pid.cpp
@@ -20,6 +20,21 @@ void PIDController::setSetpoint(double sp)
     setpoint = sp;
 }
 
+void PIDController::setSetKp(double nkp)
+{
+    kp = nkp;
+}
+
+void PIDController::setSetKi(double nki)
+{
+    ki = nki;
+}
+
+void PIDController::setSetKd(double nkd)
+{
+    kd = nkd;
+}
+
 void PIDController::setDt(double sample_time)
 {
     dt = sample_time;
diff --git a/src/pid.h b/src/pid.h
index 3dfb307..caa98ed 100644
--- a/src/pid.h
+++ b/src/pid.h
@@ -17,6 +17,10 @@ public:
                   double integ_max = 50.0);
 
     void setSetpoint(double sp);
+    void setSetKp(double nkp);
+    void setSetKi(double nki);
+    void setSetKd(double nkd);
+
     void setDt(double sample_time);
     double compute(double current_temp);
     void reset();
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 70af113..c988ad2 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -35,10 +35,14 @@
 	let spoofInterval = 250;
 	let speedFactor = 250 / spoofInterval;
 	const switchDelay = (30 / speedFactor) * 1000;
-	let pwmOn = $state(4);
-	let pwmOnDelay = (4 / speedFactor) * 1000;
-	let pwmOff = $state(7);
-	let pwmOffDelay = (7 / speedFactor) * 1000;
+	let pwmOn = $state(2);
+	let pwmOnDelay = (2 / speedFactor) * 1000;
+	let pwmOff = $state(4);
+	let pwmOffDelay = (4 / speedFactor) * 1000;
+
+	let kp = $state(0.25);
+	let ki = $state(0.25);
+	let kd = $state(0.25);
 
 	let maxValues = 4 * 2 * 60 * 60; // 120 minutes (4 values/sec)
 
@@ -361,6 +365,12 @@
 				pwmOn = Number(myObj[key]) / 1000;
 			} else if (key === 'pwm_off') {
 				pwmOff = Number(myObj[key]) / 1000;
+			} else if (key === 'kp') {
+				kp = Number(myObj[key]);
+			} else if (key === 'ki') {
+				ki = Number(myObj[key]);
+			} else if (key === 'kd') {
+				kd = Number(myObj[key]);
 			} else if (key === 'mode') {
 				mode = myObj[key];
 				modeSpan.innerText = mode;
@@ -443,6 +453,16 @@
 		}
 	};
 
+	const changeKValue = (e: Event, k: string) => {
+		const target = e.target as HTMLTextAreaElement;
+		let value = target?.value;
+		console.log('K' + k + ': ' + value);
+		if (!import.meta.env.DEV) {
+			ws.send(`setK${k}: ` + value);
+		} else {
+		}
+	};
+
 	const prepareDownloadCSV = () => {
 		let csvContent = 'Time,Temp,Relais\n';
 
@@ -568,6 +588,43 @@
 					PID: {calculatedPidOutput.toFixed(0)}% {(calculatedPidOutput * 12).toFixed(0)}W
 				</div>
 				<div>ON:{pwmOn.toFixed(2)}s OFF:{pwmOff.toFixed(2)}s</div>
+				<div class="mt-3 flex w-full justify-between px-9">
+					<div>Kp</div>
+					<div>Ki</div>
+					<div>Kd</div>
+				</div>
+				<div class="flex gap-1">
+					<input
+						class="min-w-[85px] rounded"
+						type="number"
+						min="0"
+						max="50"
+						step="0.1"
+						value={kp}
+						id="target_temperature"
+						onchange={(e) => changeKValue(e, 'p')}
+					/>
+					<input
+						class="min-w-[85px] rounded"
+						type="number"
+						min="0"
+						max="50"
+						step="0.1"
+						value={ki}
+						id="target_temperature"
+						onchange={(e) => changeKValue(e, 'i')}
+					/>
+					<input
+						class="min-w-[85px] rounded"
+						type="number"
+						min="0"
+						max="50"
+						step="0.1"
+						value={kd}
+						id="target_temperature"
+						onchange={(e) => changeKValue(e, 'd')}
+					/>
+				</div>
 			{/if}
 		</div>
 		<div class="card flex cursor-pointer gap-2">