Quiz sobre Matriz de LED e LDR

Quiz
•
Science
•
1st Grade
•
Hard
MARIA GORGES
Used 4+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é uma matriz de LED?
Um tipo de bateria
Um conjunto organizado de LEDs em linhas e colunas
Um sensor de luz
Um fio elétrico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para que serve o sensor LDR em um projeto com Arduino?
Medir temperatura
Medir luz ambiente
Tocar música
Controlar motores
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O potenciômetro é usado para:
Acender uma lâmpada
Medir a quantidade de luz
Ajustar o valor de uma resistência
Tocar um alarme
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes componentes pode ser usado para controlar o brilho de um LED?
Sensor LDR
Potenciômetro
Bateria
Fio de cobre
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual comando básico do Arduino é usado para acender um LED?
digitalWrite()
analogRead()
delay()
Serial.begin()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes projetos pode ser feito usando LEDs, Arduino, LDR e potenciômetro?
Um semáforo que muda de cor conforme a luz do ambiente
Um rádio
Um ventilador
Um relógio de parede sem luz
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