Electronics and Arduino Knowledge Flashcard

Front

What does a resistor do in a circuit?

Back

Limit current

Front

Which component stores energy in an electric field?

Back

Capacitor

Front

What does "V" on an Arduino pin mean?

Back

Voltage

Front

What is the voltage of a standard AA battery?

Back

1.5V

Front

Which function initializes settings in Arduino?

Back

setup()

Front

Which data type stores decimal numbers in Arduino?

Back

float

Front

How do you set a digital pin as an output in Arduino?

Back

pinMode(pin, OUTPUT);

Front

Which command turns on an LED in Arduino? Options: digitalWrite(LED_PIN, LOW);, digitalWrite(LED_PIN, HIGH);, analogWrite(LED_PIN, 0);, analogWrite(LED_PIN, 255);

Back

digitalWrite(LED_PIN, HIGH);

Front

What is the range of an IR remote control?

Back

10 meters

Front

Which sensor detects IR remote signals?

Back

IR receiver