
portas pwm
Authored by JOCILAINE DE RAMOS DA SILVA LEMES
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2nd Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O que o recurso PWM faz nas portas digitais do Arduino?
Simula saídas analógicas
Aumenta a tensão
Desliga o Arduino
Reduz a corrente
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quantos pinos de entrada analógica possui a placa Arduino Uno R3?
10
4
6
8
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quais pinos do Arduino Uno são identificados pelo sinal gráfico til (~)?
2, 4, 6, 8, 10, 12
1, 3, 5, 7, 9, 11
0, 2, 4, 6, 8, 10
3, 5, 6, 9, 10, 11
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O que é a Modulação por Largura de Pulso (PWM)?
Um tipo de porta analógica
Um método para reduzir a corrente
Uma técnica para controlar a quantidade de energia enviada para uma saída digital
Uma técnica para aumentar a tensão
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é o primeiro passo para montar o circuito com LED na Protoboard?
Conectar o resistor
Programar o Arduino
Conectar o jumper
Encaixar o LED
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual pino do Arduino é usado no exemplo para conectar o LED?
Pino 12
Pino 10
Pino 11
Pino 9
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual comando é usado para definir a intensidade do brilho de um LED?
analogWrite
analogRead
digitalWrite
pinMode
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