Anemometer branch

anemometer/anemometer_readings/anemometer_readings.ino

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+// Anemometer calibration values
+const float anemometer_min_volts = 0.4;
+const float anemometer_max_volts = 2.0;
+const float min_wind_speed = 0.0;
+const float max_wind_speed = 50;
+
+// ADC input pin
+const int adcPin = A0; //use A0 or whatever analog pin you are using
+
+// Teensy 4.0 default analog reference is 3.3V (don't need to set analogReference)
+
+void setup() {
+  Serial.begin(9600); //standard baud rate
+}
+
+void loop() {
+  int adcVal = analogRead(adcPin); // 10-bit ADC, returns 0-1023
+  float voltage = adcVal / 1023.0 * 3.3;
+  float wind_speed = mapFloat(voltage, anemometer_min_volts, anemometer_max_volts, min_wind_speed, max_wind_speed);
+
+  Serial.print("Voltage: ");
+  Serial.print(voltage);
+  Serial.print(" V, Wind Speed: ");
+  Serial.print(wind_speed);
+  Serial.println(" m/s");
+
+  delay(50);
+}
+
+// Custom map function for floats
+float mapFloat(float x, float in_min ,float in_max, float out_min, float out_max){
+  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+}
+

hallEffectSensor/current_sensor/current_sensor.ino

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+#define VIN A0 // define the Arduino pin A0 as voltage input (V in)
+const float VCC   = 5.0;// supply voltage 5V or 3.3V. If using PCB, set to 5V only.
+const int model = 0;   // enter the model (see below)
+
+float cutOffLimit = 1.00;// reading cutt off current. 1.00 is 1 Amper
+
+/*
+          "ACS758LCB-050B",// for model use 0
+          "ACS758LCB-050U",// for model use 1
+          "ACS758LCB-100B",// for model use 2
+          "ACS758LCB-100U",// for model use 3
+          "ACS758KCB-150B",// for model use 4
+          "ACS758KCB-150U",// for model use 5
+          "ACS758ECB-200B",// for model use 6
+          "ACS758ECB-200U"// for model use  7   
+sensitivity array is holding the sensitivy of the  ACS758
+current sensors. Do not change.          
+*/
+float sensitivity[] ={
+          40.0,// for ACS758LCB-050B
+          60.0,// for ACS758LCB-050U
+          20.0,// for ACS758LCB-100B
+          40.0,// for ACS758LCB-100U
+          13.3,// for ACS758KCB-150B
+          16.7,// for ACS758KCB-150U
+          10.0,// for ACS758ECB-200B
+          20.0,// for ACS758ECB-200U     
+         }; 
+
+/*         
+ *   quiescent Output voltage is factor for VCC that appears at output       
+ *   when the current is zero. 
+ *   for Bidirectional sensor it is 0.5 x VCC
+ *   for Unidirectional sensor it is 0.12 x VCC
+ *   for model ACS758LCB-050B, the B at the end represents Bidirectional (polarity doesn't matter)
+ *   for model ACS758LCB-100U, the U at the end represents Unidirectional (polarity must match)
+ *    Do not change.
+ */
+float quiescent_Output_voltage [] ={
+          0.5,// for ACS758LCB-050B
+          0.12,// for ACS758LCB-050U
+          0.5,// for ACS758LCB-100B
+          0.12,// for ACS758LCB-100U
+          0.5,// for ACS758KCB-150B
+          0.12,// for ACS758KCB-150U
+          0.5,// for ACS758ECB-200B
+          0.12,// for ACS758ECB-200U            
+          };
+const float FACTOR = sensitivity[model]/1000;// set sensitivity for selected model
+const float QOV =   quiescent_Output_voltage [model] * VCC;// set quiescent Output voltage for selected model
+float voltage;// internal variable for voltage
+float cutOff = FACTOR/cutOffLimit;// convert current cut off to mV
+
+void setup() {
+    Serial.begin(9600);// initialize serial monitor
+}
+
+void loop() {
+  float voltage_raw =   (5.0 / 1023.0)* analogRead(VIN);// Read the voltage from sensor
+  voltage =  voltage_raw - QOV + 0.007 ;// 0.007 is a value to make voltage zero when there is no current
+  float current = voltage / FACTOR;
+  if(abs(voltage) > cutOff ){
+    Serial.print("V: ");
+    Serial.print(voltage,3);// print voltage with 3 decimal places
+    Serial.print("V, I: ");
+    Serial.print(current,2); // print the current with 2 decimal places
+    Serial.println("A");
+  }else{
+    Serial.println("No Current");
+  }
+  delay(500);
+}