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Tinkering Boot Camp Week 2 Quiz 2

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.

When is BLYNK_WRITE() function called-

a)

When any sensor connected to any pin gives some input

b)

When Blynk app widgets connected to any pin gives some input

c)

When Blynk app widgets connected to any virtual pin gives some input

d)

When Blynk app widgets connected to any pin shows some output

2.

What does L stand for in setInterval() Function -

a)

Low

b)

Long

c)

Least

d)

Late

3.

Which line in this code will show error while uploading it in module ESP32-

1 int Led = 21;

2 void setup() { pinMode(Led,OUTPUT);}

3 void loop() { for (int i=0;i<=Led*12;i++){

4 analogWrite(Led,i);

5 delay(15);}}

a)

2

b)

3

c)

4

d)

No line will show the error

4.

The maximum data transmission rate for UART?

a)

115200

b)

9600

c)

250000

d)

57600

5.

Which of these is not any keyword of blynk-

a)

BLYNK_WRITE

b)

BLYNK_READ

c)

BLYNK_PRINT

d)

BLYNK_SHOW

e)

All of these is a keyword