Added submodule, Calculation is wrong.. but yea just to make first commit..

main.c

@@ -0,0 +1,34 @@
+/*
+ * main.c
+ *
+ *  Created on: 14 Oct 2025
+ *      Author: Christian L. V. Madsen (OZ1CM)
+ */
+#include "cm_heatsink_emulator/cm_heatsink_emulator.h"
+
+#define POWER 600 // Watts
+#define AMBIENT_TEMPERATURE 25 // degC
+#define C_TH 32688.36649 // Thermal capacity
+
+cm_heatsink_thermalElement_t thermElements[3] = {
+		{
+			.label = "LED To NTC",
+			.R_th = 0.002021944
+		},{
+			.label = "NTC To Heat sink",
+			.R_th = 0.015981191
+		},{
+			.label = "Heat sink To Ambient",
+			.R_th = 0.121949843
+		},
+
+};
+
+cm_heatsinkEmul_t thermEmul;
+int main(void ){
+
+	// Init Thermal emulator
+	cm_heatsinkEmul_init(&thermEmul, thermElements, 1/*(sizeof(thermElements) / sizeof(thermElements[0]))*/, POWER, AMBIENT_TEMPERATURE);
+
+	cm_heatsinkEmul_getRespon(&thermEmul, 0.1);
+}