small exam

以下為電子實習的exam

需要材料:

Wire: n個
Button: 一個
330Ω Resistor: 五個
1kΩ Resistor: 一個
10kΩ Resistor: 一個
Potentiometer: 一個(不限電駔大小)
NPN 9013: 一個
Arduino Uno: 一個
LED: 五個
Breadboard: 一個 DC Motor: 一個

電路圖(Circuit diagram)

程式碼(Code)

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int potenPin = A0; // 可變電阻
int buttonPin = 2; // 按鈕
int ledPins [] {3, 4, 5, 6, 7}; // led燈
int motorPin = 9; // 馬達
// 六段變速 100/300/500/700/900/1000
 
void setup() {
  Serial.begin(9600);
  pinMode(potenPin, INPUT);
  pinMode(buttonPin, INPUT);
  for(int L = 0; L < 5; L++) {
    pinMode(ledPins[L], OUTPUT);
  }
  pinMode(motorPin, OUTPUT);
}
 
void loop() {
  int motorValue = analogRead(potenPin);
  Serial.println(motorValue);
  int bStop = digitalRead(buttonPin);
  Serial.println(bStop);
  if (bStop == LOW) {
  if (motorValue < 100) {
    analogWrite(motorPin, 0);
    for (int L = 0; L < 5; L++) {
      digitalWrite(ledPins[L], LOW);
    }
  }
  else if (motorValue < 300) {
    analogWrite(motorPin, 300);
    for (int L = 0; L < 1; L++) {
      digitalWrite(ledPins[L], HIGH);
    }
    for (int L = 1; L < 5; L++) {
      digitalWrite(ledPins[L], LOW);
    }
  }
  else if (motorValue < 500) {
    analogWrite(motorPin, 500);
    for (int L = 0; L < 2; L++) {
      digitalWrite(ledPins[L], HIGH);
    }
    for (int L = 2; L < 5; L++) {
      digitalWrite(ledPins[L], LOW);
    }
  }
  else if (motorValue < 700) {
    analogWrite(motorPin, 700);
    for (int L = 0; L < 3; L++) {
      digitalWrite(ledPins[L], HIGH);
    }
    for (int L = 3; L < 5; L++) {
      digitalWrite(ledPins[L], LOW);
    }
  }
  else if (motorValue < 900) {
    analogWrite(motorPin, 900);
    for (int L = 0; L < 4; L++) {
      digitalWrite(ledPins[L], HIGH);
    }
    for (int L = 4; L < 5; L++) {
      digitalWrite(ledPins[L], LOW);
    }
  }
  else if (900 < motorValue) {
    analogWrite(motorPin, 1000);
    for (int L = 0; L < 5; L++) {
      digitalWrite(ledPins[L], HIGH);
    }
  }
 }
 else if (bStop == HIGH) {
  for(int s = 0; s < 5; s++) {
  digitalWrite(ledPins[s],LOW);
  }
  digitalWrite(motorPin,LOW);
  delay(100);
 }
}

影片(Video)

small exam from 40423222 on Vimeo.

參考網站:

levelMotor: https://40423222.github.io/2017springcd_hw/blog/Arduino-threeLevel_Motor.html
參考對象: https://40423222.github.io/2017springcd_hw/blog/
參考對象: