Coin Counter

Coin Counter&Sorter/Coin_Counter/Coin_Counter.ino

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+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+
+
+LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 16, 2);
+
+int currentStep = 0, pStep = 0;
+int stepperPins[4] = { 7, 6, 5, 4 };
+
+long started_at;
+
+void setup() {
+  Serial.begin(9600);
+
+  lcd.init();
+  lcd.setBacklight(1);
+
+  lcd.setCursor(0, 0);
+  lcd.print("Make It Smart ");
+
+  pinMode(4, OUTPUT);
+  pinMode(5, OUTPUT);
+  pinMode(6, OUTPUT);
+  pinMode(7, OUTPUT);
+
+  started_at = millis();
+}
+
+int counter = 0;
+int p_counter = -1;
+
+bool sensorState_5_kr = false;
+bool sensorState_10_kr = false;
+bool sensorState_25_kr = false;
+bool sensorState_50_kr = false;
+bool sensorState_1_tl = false;
+
+//This value should be define as your sensor reading value.
+int sensorThreashHold = 75;
+
+void loop() {
+  // if (millis() - started_at > 3000) {
+  int sensorValue_5_kr = analogRead(A0);
+  int sensorValue_10_kr = analogRead(A1);
+  int sensorValue_25_kr = analogRead(A2);
+  int sensorValue_50_kr = analogRead(A3);
+  
+  //Important note; Because of the LCD I2C pins also use the SDA(A5) pin of Arduino, the default reading value should be greater than 700.
+  int sensorValue_1_tl = analogRead(A5); 
+
+  Serial.print("Sensor : ");
+  Serial.print(sensorValue_5_kr);
+  Serial.print(", ");
+  Serial.print(sensorValue_10_kr);
+  Serial.print(", ");
+  Serial.print(sensorValue_25_kr);
+  Serial.print(", ");
+  Serial.print(sensorValue_50_kr);
+  Serial.print(", ");
+  Serial.println(sensorValue_1_tl); 
+
+  if (sensorValue_5_kr < sensorThreashHold && sensorState_5_kr == false) counter += 5;
+  if (sensorValue_10_kr < sensorThreashHold && sensorState_10_kr == false) counter += 5;
+  if (sensorValue_25_kr < sensorThreashHold && sensorState_25_kr == false) counter += 15;
+  if (sensorValue_50_kr < sensorThreashHold && sensorState_50_kr == false) counter += 25;
+  if (sensorValue_1_tl < sensorThreashHold  && sensorState_1_tl == false) counter += 50;
+
+  sensorState_5_kr = sensorValue_5_kr < sensorThreashHold;
+  sensorState_10_kr = sensorValue_10_kr < sensorThreashHold;
+  sensorState_25_kr = sensorValue_25_kr < sensorThreashHold;
+  sensorState_50_kr = sensorValue_50_kr < sensorThreashHold;
+  sensorState_1_tl = sensorValue_1_tl < sensorThreashHold ;
+
+
+  if (counter != p_counter && sensorValue_1_tl > 700) {
+    printTotal();
+    p_counter = counter;
+  }
+
+  for (int a = 0; a < 10; a++) {
+    for (int i = 0; i < 4; i++) {
+      digitalWrite(stepperPins[i], (i == currentStep || i == pStep) ? HIGH : LOW);
+      delay(1);
+    }
+    if (pStep != currentStep) pStep = currentStep;
+    else currentStep = (currentStep + 1) % 4;
+  }
+}
+
+void printTotal() {
+  lcd.setCursor(0, 1);
+  lcd.print("Total : ");
+  lcd.print(((double)counter) / 100.0);
+  lcd.print(" tl ");
+}

Coin Counter&Sorter/Youtube Video.txt

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+RC Transmitter full build 
+https://youtu.be/x8mul0Das2k
+
+RC Joystick build 
+https://youtu.be/n5gFHKa8dmA