Update Detector_Building.ino

Changes

1 changed files (+21/-15)

• Detector_Building/Detector_Building.ino
  • @@ -16,7 +16,6 @@ const bool CALIB = false; // Calibration mode
    const int LED_R = 4, LED_G = 3, LED_B = 2, THERM = 0; // Device component pins const double R_k = 10000, V_in = 5, analog_max = 1023; // Device constants - // Calibration data const int n = 3, m = n / 3; // Number of data points, MUST be multiple of 3 double V[n] = { 2.12, 3.26, 3.96 }; // Voltage measurements
  • @@ -85,6 +84,7 @@ digitalWrite(pin, HIGH);
    delay(1000); digitalWrite(pin, LOW); } + // More Arduino stuff void setup() { Serial.begin(9600); pinMode(LED_R, OUTPUT);
  • @@ -125,16 +125,19 @@ // Main loop
    void loop() { int V_raw = analogRead(THERM); // Read in raw analog value double V_out = a2d(V_raw); // Convert analog to digital + double R_t = R_k * (V_in / V_out - 1); // Thermistor resistance + if (CALIB) { - Serial.print("Raw analog reading: "); - Serial.print(V_raw); - Serial.print(" Voltage (V): "); - Serial.print(V_out); - Serial.println(); - delay(500); - return; + // Calibration mode + Serial.print("Raw analog reading: "); + Serial.print(V_raw); + Serial.print(" Voltage (V): "); + Serial.print(V_out); + Serial.println(); + delay(500); + return; } - double R_t = R_k * (V_in / V_out - 1); // Thermistor resistance + int s = 0; while (s + 1 < m && V_out > V_mid[s + 1]) s++; // Find correct segment
  • @@ -144,28 +147,30 @@ double K = 1.0 / (A[s] + B[s] * logR_t + C[s] * logR_t * logR_t * logR_t); // Steinhart-hart
    double C = k2c(K); double F = c2f(C); + // LED stuff - if (C <= 25) { + if (C <= 25) { // Cold digitalWrite(LED_R, LOW); digitalWrite(LED_G, LOW); digitalWrite(LED_B, HIGH); } - else if (C <= 50) { + else if (C <= 50) { // Medium digitalWrite(LED_R, LOW); digitalWrite(LED_G, HIGH); digitalWrite(LED_B, LOW); } - else if (C <= 75) { + else if (C <= 75) { // Hot digitalWrite(LED_R, HIGH); digitalWrite(LED_G, LOW); digitalWrite(LED_B, LOW); } - else { + else { // Something seriously wrong digitalWrite(LED_R, HIGH); digitalWrite(LED_G, HIGH); digitalWrite(LED_B, HIGH); } + // Output voltage, temperature Serial.print("Raw analog reading: "); Serial.print(V_raw);
  • @@ -175,8 +180,9 @@ //Serial.print(" Resistance (Ohms): ");
    //Serial.print(R_t); Serial.print(" Temperature (°C): "); Serial.print(C); - Serial.print(" Temperature (°F): "); // For reference - Serial.print(F); + // For reference + //Serial.print(" Temperature (°F): "); + //Serial.print(F); // Debug stuff /*Serial.print(" Segment lower bound: ");