Ajout d'un nouveau programme de test de type multimètre

test/Measurement_ToolBox/Measurement_ToolBox.ino

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+/**
+ * Auteur : Anatole SCHRAMM-HENRY
+ * Date : 11/11/2019
+ * Programme de test permettant de se familiariser avec les différentes formules U=R*I
+ */
+#include <math.h>
+#define V_STEP 0.000805860 //Volt 3.3/(4096-1)
+const double R_PREC(1471.0); //Ohm
+
+unsigned int Raw(0.0);
+double Vref(0.0);
+double Iref(0.0);
+double Rvar(0.0);
+char buffer[300];
+
+
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  pinMode(PA0, INPUT);
+}
+
+void loop() {
+  Raw = analogRead(PA0);
+  Vref = rawToVref(Raw); //En Volt
+  Iref = Vref / R_PREC;  //En Ampère
+
+  Rvar = (3.3-Vref)/Iref;
+  // put your main code here, to run repeatedly:
+  Serial.println("------------------------------------");
+  sprintf(buffer, "%d",Raw);
+  Serial.print("Raw : ");Serial.println(buffer);
+  
+  sprintf(buffer, "%.6f Volts",Vref);
+  Serial.print("Voltage : ");Serial.println(buffer);
+  
+  sprintf(buffer, "%.6f Amperes -> %.6f mA",Iref, Iref*1000.0);
+  Serial.print("Current : ");Serial.println(buffer);
+  
+  sprintf(buffer, "%.6f Ohm",Rvar);
+  Serial.print("Resistance : ");Serial.println(buffer);
+  
+  Serial.println("------------------------------------");
+  delay(1000);
+}
+
+float rawToVref(float raw)
+{
+  return V_STEP * (float)Raw;
+}