Arduino Uno板可使用analogWrite(3,數值)輸出PWM,請問數值範圍為何?

Arduino-5

Quiz
•
Computers
•
University
•
Hard
劉雲輝 劉雲輝
Used 20+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
0~1023
0~255
0~10
0~5
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
在analogWrite(3, x)函式中,搭配下列哪個選項可以輸出占空比為75%的PWM訊號?
x=50
x=128
x=192
x=225
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Arduino Uno板可使用x=analogRead(); 來讀取類比訊號,請問x數值的範圍為何?
0~1023
0~255
0~10
0~5
4.
MULTIPLE SELECT QUESTION
1 min • 10 pts
若是想將Arduino Uno板的數位接腳3 設定為上拉電阻輸入腳位,以下何者可行?(多選)
setup(){
pinMode(3, INPUT);
digitalWrite(3,LOW);}
setup(){
pinMode(3, INPUT);
digitalWrite(3,HIGH);}
setup(){
pinMode(3,
INPUT_PULLUP); }
setup(){
pinMode(3,
INPUT_PULLDOWN); }
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
1. 定義一個自訂函式如下:
函式型態transform(int c){
c=c*5+2;
return c; }
請問函式型態為下列何者?
void
char
float
int
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
1. 使用Uno板與PC連線,
int test(int a, int b){
int i, total=0;
total=a*b;
return total; }
void setup(){
Serial.begin(9600);
Serial.println(test(2,3));
}
void loop(){
}
請問序列埠輸出至PC上的數值為何?
2
3
5
6
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
1. 定義一個自訂函式如下:
函式型態 forward(){
digitalWrite(A_1A, LOW);
analogWrite(A_1B, Speed);
digitalWrite(B_1A, LOW);
analogWrite(B_1B, Speed); }
請問函式型態為下列何者?
void
char
float
int
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