Madanswer Technologies Interview Questions Data|Agile|DevOPs|Python - Recent questions in Arduino

If the PPM concentration of a gas that is being detected by the MQ2 Gas Sensor increases what will happen to its Digital Output pin?

Mon, 29 Nov 2021 22:17:42 +0000

If the PPM concentration of a gas that is being detected by the MQ2 Gas Sensor increases what will happen to its Digital Output pin?

(a) Voltage Increases

(b) Voltage Decreases

(c) Voltage becomes 0

(d) Voltage doesn’t change

Is there an SDA pin on the RFID Module? (a) Yes (b) No

Mon, 29 Nov 2021 22:16:51 +0000

Is there an SDA pin on the RFID Module?

(a) Yes

(b) No

Does one need to calibrate the LM35 Temperature Sensor Module?

Mon, 29 Nov 2021 22:16:10 +0000

Does one need to calibrate the LM35 Temperature Sensor Module?

(a) Yes

(b) No

What is the minimum temperature that the LM35 Temperature Sensor Module can read?

Mon, 29 Nov 2021 22:15:18 +0000

What is the minimum temperature that the LM35 Temperature Sensor Module can read?

(a) -11°C

(b) -55°C

(c) -10°C

(d) 0°C

What is the sensitivity of the LM35 Temperature Sensor Module?

Mon, 29 Nov 2021 22:14:09 +0000

What is the sensitivity of the LM35 Temperature Sensor Module?

(a) 10mV/°C

(b) 1mV/°C

(c) 23mV/°C

(d) 12mV/°C

What is the full form of the abbreviation called PPM?

Mon, 29 Nov 2021 22:13:03 +0000

What is the full form of the abbreviation called PPM?

(a) Parts Per Million

(b) Parts Per Milligram

(c) Parts Per Megagram

(d) Parts Per Millilitre

What is the maximum output voltage that the rotary encoder can put out on its DATA output pin?

Mon, 29 Nov 2021 22:11:42 +0000

What is the maximum output voltage that the rotary encoder can put out on its DATA output pin?

(a) 1V

(b) 140V

(c) 5V

(d) 10V

Is there an interrupt pin on the RFID Module? (a) Yes (b) No

Mon, 29 Nov 2021 22:10:56 +0000

Is there an interrupt pin on the RFID Module?

(a) Yes

(b) No

What is the formula for obtaining the temperature value in degrees centigrade from the LM35 Temperature Sensor while using an ADC?

Mon, 29 Nov 2021 22:09:50 +0000

What is the formula for obtaining the temperature value in degrees centigrade from the LM35 Temperature Sensor while using an ADC?

(a) °C=ADC/10mV

(b) °C=ADC/100mV

(c) °C=ADC/1mV

(d) °C=ADC/120mV

How many terminals does the MQ2 Gas Sensor have?

Mon, 29 Nov 2021 22:08:48 +0000

How many terminals does the MQ2 Gas Sensor have?

(a) 1

(b) 3

(c) 2

(d) 4

If the PPM concentration of a gas that is being detected by the MQ2 Gas Sensor increases what will happen to its Analog Output pin?

Mon, 29 Nov 2021 22:07:43 +0000

If the PPM concentration of a gas that is being detected by the MQ2 Gas Sensor increases what will happen to its Analog Output pin?

(a) Voltage Increases

(b) Voltage Decreases

(c) Voltage becomes 0

(d) Voltage doesn’t change

What is the approximate self heating temperature of the LM35 Temperature Sensor Module?

Mon, 29 Nov 2021 22:06:56 +0000

What is the approximate self heating temperature of the LM35 Temperature Sensor Module?

(a) 0.08°C

(b) 0.91°C

(c) 0.11°C

(d) 1.23°C

What will happen if we supply a voltage of 25V to the Vcc of the MQ2 Gas Sensor?

Mon, 29 Nov 2021 22:06:02 +0000

What will happen if we supply a voltage of 25V to the Vcc of the MQ2 Gas Sensor?

(a) Damage is caused

(b) Module will shut down

(c) Module will not respond for the time the voltage is applied

(d) Module will function normally

What is the purpose of the DATA pin in the rotary encoder?

Mon, 29 Nov 2021 22:04:57 +0000

What is the purpose of the DATA pin in the rotary encoder?

(a) To provide direction of motion

(b) To power the module

(c) To shut down the module

(d) To provide analog reference voltage

List out the Different Compute services offered by AWS.

Sun, 10 Jan 2021 03:37:36 +0000

List out the Different Compute services offered by AWS.

In which language Arduino software was written?

Thu, 08 Oct 2020 03:35:11 +0000

In which language Arduino software was written?

What are Libraries in Arduino?

Thu, 08 Oct 2020 03:14:27 +0000

What are Libraries in Arduino?

What are the functions of time in Arduino?

Thu, 08 Oct 2020 03:13:53 +0000

What are the functions of time in Arduino?

How to convert string to upper case?

Thu, 08 Oct 2020 03:11:05 +0000

How to convert string to upper case?

Which function is used to find the length of string?

Thu, 08 Oct 2020 03:10:35 +0000

Which function is used to find the length of string?

How can we declare the functions?

Thu, 08 Oct 2020 03:09:53 +0000

How can we declare the functions?

What is the use of operator in Arduino?

Thu, 08 Oct 2020 03:09:31 +0000

What is the use of operator in Arduino?

What are the three important parts of Arduino?

Thu, 08 Oct 2020 03:08:54 +0000

What are the three important parts of Arduino?

What is sketch in Arduino?

Thu, 08 Oct 2020 03:08:24 +0000

What is sketch in Arduino?

What are the IDE toolbar of Arduino?

Thu, 08 Oct 2020 03:07:50 +0000

What are the IDE toolbar of Arduino?

What are the advantages of Arduino?

Thu, 08 Oct 2020 03:07:25 +0000

What are the advantages of Arduino?

Why we should use Arduino?

Thu, 08 Oct 2020 03:06:57 +0000

Why we should use Arduino?

Who is the developer of Arduino?

Thu, 08 Oct 2020 03:06:29 +0000

Who is the developer of Arduino?

What is the stable version of Arduino software?

Thu, 08 Oct 2020 03:05:19 +0000

What is the stable version of Arduino software?

What is Arduino?

Thu, 08 Oct 2020 03:04:35 +0000

What is Arduino?

How many Types of Arduino Shields exist?

Mon, 17 Aug 2020 04:19:35 +0000

How many Types of Arduino Shields exist?

Why do we need Arduino Shields?

Mon, 17 Aug 2020 04:18:16 +0000

Why do we need Arduino Shields?

What is Arduino Shields?

Mon, 17 Aug 2020 04:16:58 +0000

What is Arduino Shields?

What is an Arduino UNO board?

Mon, 17 Aug 2020 04:10:22 +0000

What is an Arduino UNO board?

What is an Arduino Starter Kit?

Mon, 17 Aug 2020 04:09:01 +0000

What is an Arduino Starter Kit?

What is an Arduino IDE?

Mon, 17 Aug 2020 04:06:15 +0000

What is an Arduino IDE?

How many types of Arduino Boards exist?

Mon, 17 Aug 2020 04:04:18 +0000

How many types of Arduino Boards exist?

What is Arduino Kits?

Mon, 17 Aug 2020 04:03:01 +0000

What is Arduino Kits?

What are the Features of Arduino?

Mon, 17 Aug 2020 04:01:37 +0000

What are the Features of Arduino?

What is Arduino?

Mon, 17 Aug 2020 03:48:14 +0000

What is Arduino?