Add AC_DIMMER

HW/Tools/AC_Dimmer/AC_Dimmer_Arduino.ino

@@ -0,0 +1,138 @@
+#include <LiquidCrystal.h>
+#include <TimerOne.h>
+
+byte ocitajTaster(){
+  int tmp = analogRead(0);
+
+  if(tmp > 620 && tmp < 660){
+    return 1;                     //SELECT
+  }
+  else if(tmp > 390 && tmp < 430){
+    return 2;                     //LEFT
+  }
+  else if(tmp > 80 && tmp < 120){
+    return 3;                     //UP
+  }
+  else if(tmp > 240 && tmp < 280){
+    return 4;                     //DOWN
+  }
+  else if(tmp >= 0 && tmp < 40){
+    return 5;                     //RIGHT
+  }
+  else{
+    return 0;
+  }
+}
+
+float kasnjenje[11] = {
+  0.01,
+  0.007951672353008666,
+  0.007048327646991334,
+  0.006309898804344545,
+  0.0056409421684897485,
+  0.005,
+  0.004359057831510251,
+  0.0036901011956554544,
+  0.002951672353008666,
+  0.0020483276469913355,
+  0.0
+};
+
+
+int DRV = 13;
+int ZC = 2;
+int dim_val = 0;
+int dmt = 0;
+
+LiquidCrystal lcd(8, 9, 4, 5, 6, 7);
+
+byte temp = ocitajTaster();
+byte prethodni;
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  lcd.begin(16,2);
+
+  //postavljanje izlaznog pina i interrupt handler
+  pinMode(DRV, OUTPUT);
+  pinMode(ZC, INPUT_PULLUP);
+  attachInterrupt(digitalPinToInterrupt(2), zero_cross, FALLING);
+
+  Timer1.initialize(10000);
+}
+
+bool zc = false;
+
+void zero_cross() {
+  zc = true;
+}
+
+void handleTimerInterrupt1() {
+  digitalWrite(DRV, LOW);
+}
+
+
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  prethodni = temp;
+  temp = ocitajTaster();
+
+  if(prethodni != temp){
+    lcd.clear();
+
+    switch(temp){
+      default:
+        lcd.print(dim_val);
+        lcd.print("%");
+        Serial.println(kasnjenje[dim_val/10], 10);
+        break;
+      case 2:
+        if (dim_val <= 10) {
+          dim_val = 0;
+        }
+        else {
+          dim_val -= 10;
+        }
+        break;
+      case 3:
+        if (dim_val >= 90) {
+          dim_val = 100;
+        }
+        else {
+          dim_val += 10;
+        }
+        break;
+      case 4:
+        if (dim_val <= 10) {
+          dim_val = 0;
+        }
+        else {
+          dim_val -= 10;
+        }
+        break;
+      case 5:
+        if (dim_val >= 90) {
+          dim_val = 100;
+        }
+        else {
+          dim_val += 10;
+        }
+        break;
+    }
+  }
+
+  dmt = 1000000 * kasnjenje[dim_val/10];
+
+  if (zc == true) {
+    if (dim_val != 0) {
+      delayMicroseconds(dmt);
+      digitalWrite(DRV, HIGH);
+      delayMicroseconds(100);
+      digitalWrite(DRV, LOW);
+    }
+    zc = false;
+  }
+
+}

HW/Tools/AC_Dimmer/integral.py

@@ -0,0 +1,20 @@
+from math import cos, acos, pi
+import numpy
+
+freq = 50 #Hz
+V = 12 #V
+w = 2 * pi * freq
+b = 10 * 10**(-3)
+
+def integral(a):
+    return V/w * (cos(w*a) - cos(w*b))
+
+
+def calca(a):
+    proc = a
+    return numpy.arccos(proc * (1 - numpy.cos(w*b)) + numpy.cos(w*b)) / w
+
+i=0
+while i<=1:
+    print(calca(i))
+    i += 0.1