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Author: ZulNs

examples/voltage_and_current_monitor/voltage_and_current_monitor.ino

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+/*
+ * voltage_and_current_monitor.ino
+ * 
+ * Created 27 April 2020 (amid CoViD-19 outbreaks)
+ * by Zulns
+ * @Gorontalo, Indonesia
+ * 
+ * This example code is in the public domain.
+ * 
+ * https://github.com/ZulNs/PowerMonitor
+ */
+
+#include <PowerMonitor.h>
+
+const byte VOLTAGE_SENSOR_PIN = 0;
+const byte CURRENT_SENSOR_PIN = 1;
+const float VOLTAGE_CALIBRATION = 155.0;
+const float CURRENT_CALIBRATION = 3.06;
+
+PowerMonitor pmon;
+
+void setup() {
+  int i;
+  int16_t * samplesV, * samplesI;
+  
+  Serial.begin(9600);
+  while (!Serial);
+  
+  Serial.println();
+  Serial.println("*** AC Voltage, Current and Power Monitor ***");
+  Serial.println();
+  
+  pmon.initVoltageSensor(VOLTAGE_SENSOR_PIN, VOLTAGE_CALIBRATION);
+  pmon.initCurrentSensor(CURRENT_SENSOR_PIN, CURRENT_CALIBRATION);
+}
+
+void loop() {
+  float freq = pmon.getFrequency();
+  float Vcc = pmon.getVcc() / 1000.0;
+  
+  pmon.sampleAndCalculate();
+  
+  if (freq > 0.0 && pmon.sampleCount > 0) {
+    Serial.println("Vcc (ADC ref voltage)\t= " + String(Vcc, 3) + " V");
+    Serial.println("Out VT (Vrms)\t\t= " + String(pmon.Vrms / VOLTAGE_CALIBRATION, 3) + " V");
+    Serial.println("Out CT (Vrms)\t\t= " + String(pmon.Irms / CURRENT_CALIBRATION, 3) + " V");
+    Serial.println();
+    Serial.println("Frequency\t\t= " + String(freq, 3) + " Hz");
+    Serial.println("Vrms\t\t\t= " + String(pmon.Vrms, 3) + " V");
+    Serial.println("Irms\t\t\t= " + String(pmon.Irms, 3) + " A");
+    Serial.println("Real power\t\t= " + String(pmon.realPower, 3) + " W");
+    Serial.println("Apparent power\t\t= " + String(pmon.apparentPower, 3) + " VA");
+    Serial.println("Power factor\t\t= " + String(pmon.powerFactor, 3));
+  }
+  else
+    Serial.println("No AC voltage...");
+  Serial.println();
+  delay(500);
+}

examples/voltage_only_monitor/voltage_only_monitor.ino

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+/*
+ * voltage_only_monitor.ino
+ * 
+ * Created 27 April 2020 (amid CoViD-19 outbreaks)
+ * by Zulns
+ * @Gorontalo, Indonesia
+ * 
+ * This example code is in the public domain.
+ * 
+ * https://github.com/ZulNs/PowerMonitor
+ */
+
+#include <PowerMonitor.h>
+
+const byte VOLTAGE_SENSOR_PIN = 0;
+//const byte CURRENT_SENSOR_PIN = 1;
+const float VOLTAGE_CALIBRATION = 155.0;
+//const float CURRENT_CALIBRATION = 3.06;
+
+PowerMonitor pmon;
+
+void setup() {
+  int i;
+  int16_t * samplesV, * samplesI;
+  
+  Serial.begin(9600);
+  while (!Serial);
+  
+  Serial.println();
+  Serial.println("*** AC Voltage Monitor ***");
+  Serial.println();
+  
+  pmon.initVoltageSensor(VOLTAGE_SENSOR_PIN, VOLTAGE_CALIBRATION);
+  //pmon.initCurrentSensor(CURRENT_SENSOR_PIN, CURRENT_CALIBRATION);
+}
+
+void loop() {
+  float freq = pmon.getFrequency();
+  float Vcc = pmon.getVcc() / 1000.0;
+  
+  pmon.sampleAndCalculate();
+  
+  if (freq > 0.0 && pmon.sampleCount > 0) {
+    Serial.println("Vcc (ADC ref voltage)\t= " + String(Vcc, 3) + " V");
+    Serial.println("Out VT (Vrms)\t\t= " + String(pmon.Vrms / VOLTAGE_CALIBRATION, 3) + " V");
+    //Serial.println("Out CT (Vrms)\t\t= " + String(pmon.Irms / CURRENT_CALIBRATION, 3) + " V");
+    Serial.println();
+    Serial.println("Frequency\t\t= " + String(freq, 3) + " Hz");
+    Serial.println("Vrms\t\t\t= " + String(pmon.Vrms, 3) + " V");
+    //Serial.println("Irms\t\t\t= " + String(pmon.Irms, 3) + " A");
+    //Serial.println("Real power\t\t= " + String(pmon.realPower, 3) + " W");
+    //Serial.println("Apparent power\t\t= " + String(pmon.apparentPower, 3) + " VA");
+    //Serial.println("Power factor\t\t= " + String(pmon.powerFactor, 3));
+  }
+  else
+    Serial.println("No AC voltage...");
+  Serial.println();
+  delay(500);
+}