
Sistemas embebidos
Quiz
•
Computers
•
University
•
Practice Problem
•
Easy
Sebastian QuiÑones Arredondo
Used 2+ times
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función correcta para configurar un pin como entrada en Arduino?
pinMode(pin, OUTPUT);
pinMode(pin, INPUT);
digitalWrite(pin, HIGH);
analogRead(pin);
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué función se utiliza para leer el estado de un botón conectado a un pin digital en Arduino?
digitalWrite(pin, HIGH);
digitalRead(pin);
analogRead(pin);
pinMode(pin, INPUT);
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si queremos activar un LED conectado al pin 9, ¿Qué instrucción es correcta?
digitalWrite(9, HIGH);
digitalRead(9, HIGH);
analogWrite(9, 255);
Serial.write(9);
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué rango de valores devuelve la función analogRead(pin); en un Arduino estándar?
-1024 a 1024
0 a 1
0 a 255
0 a 1023
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un potenciómetro está conectado al pin A0 de un Arduino. ¿Cómo obtenemos su valor?
digitalRead(A0);
analogRead(A0);
Serial.print(A0);
digitalWrite(A0, HIGH);
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la ventaja de usar millis() en lugar de delay()?
millis() permite ejecutar otras tareas mientras mide el tiempo
delay() es más preciso que millis()
millis() bloquea el programa hasta que termine el tiempo
No hay diferencia entre millis() y delay()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si queremos hacer parpadear un LED sin usar delay(), ¿qué estructura usamos?
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