J3 Arduino Quiz

什么是Arduino中最基本的输出设备？

What is the most basic output device in Arduino?

• 电位器

  Potentiometer

• 红外綫感应器

  Infrared Sensor

• LED

• 超声波传感器

  Ultrasonic sensor

如何使LED产生闪烁（Blink）的效果？

How to make an LED produce a blinking (Blink) effect?

• digitalWrite(LED_PIN, HIGH);

• digitalWrite(LED_PIN, LOW);

  delay(100); digitalWrite(LED_PIN, LOW);

  delay(100);

• analogWrite(LED_PIN, 255);

• Serial.begin(9600);

什么用途的元件可以用来调整电路的电阻值？

What component is used to adjust the resistance value in a circuit?

• Potentiometer

  电位器

• Motor

  电机

• Buzzer

  蜂鸣器

• Button switch

  按钮开关

如何读取连接到Arduino的电位器的值？

How do you read the value of a potentiometer connected to Arduino? 

• analogRead(potPin);

• digitalRead(potPin);

• analogWrite(potPin, value);

• digitalWrite(potPin, HIGH);

 何时使用按钮开关？

When is a button switch used?

• To produce sound 产生声音

• To control motor speed 控制电机速度

• As an input device to detect button presses 作为输入设备检测按下动作

• To send infrared signals 发送红外线信号

如何在Arduino中检测按钮开关是否按下？

How do you detect if a button switch is pressed in Arduino?

• digitalRead(buttonPin);

• analogRead(buttonPin);

• pulseIn(buttonPin, HIGH);

• Serial.println("Button pressed");

什么类型的传感器可以用来测量距离？

What type of sensor is used to measure distance?

• 光敏电阻

  Light-dependent resistor

• 超声波传感器

  Ultrasonic sensor

• 温度传感器Temperature sensor

• 气体传感器

  Gas sensor

如何使用Arduino读取超声波传感器的距离值？

How do you read the distance value from an ultrasonic sensor in Arduino?

• analogRead(ultrasonicPin);

• pulseIn(ultrasonicPin, HIGH);

• digitalWrite(ultrasonicPin, HIGH);

• ultrasonic.readDistance();

舵机是一种什么类型的设备？

What type of device is a servo motor?

• 输出设备

  Output device

• 输入设备

  Input device

• 传感器

  Sensor

• 驱动器

  Driver

如何在Arduino中控制舵机的位置？

How do you control the position of a servo motor in Arduino?

• servo.rotate(angle);

• analogWrite(servoPin, angle);

• servo.write(angle);

• digitalWrite(servoPin, angle);