
Examen 2do Parcial B2A
Authored by Kevin Yair Roldan Pineda
Instructional Technology
3rd Grade

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es la función principal del módulo Bluetooth HC-05 en el proyecto del carro?
Encender los motores
Proporcionar energía al Arduino
Permitir la comunicación inalámbrica con el celular
Regular el voltaje de entrada
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué tipo de comunicación utiliza el módulo Bluetooth con el Arduino?
I2C
Serial.begin()
SPI
Paralela
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es el pin del Arduino que comúnmente recibe datos del módulo Bluetooth?
A0
D13
RX (pin 0)
TX (pin 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué componente se utiliza para controlar la dirección y velocidad de los motores?
Sensor ultrasónico
Puente H (L298N)
Regulador de voltaje
Módulo relé
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué sucede si se invierte la polaridad en un motor DC?
El motor no gira
El motor se quema
El motor gira en sentido contrario
El motor funciona más rápido
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Qué pines se deben conectar entre el Arduino y el módulo Bluetooth?
5V y GND solamente
A0 y A1
SDA y SCL
TX del módulo a RX del Arduino, y RX del módulo a TX del Arduino
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es la principal ventaja de usar Bluetooth en este proyecto?
Aumenta la velocidad del carro
Reduce el consumo de energía
Permite controlarlo a distancia desde un celular
Mejora la señal de los motores
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