Test What You Learn

Where does the signal processing take place? *

A. At the web server

B. At IndusBoard Coin MCU chip

C. At the signal sensor

D. None of the above

Which pin is reading the signal here? *

A. ADC pin configured in code

B. Digital pin configured in code

C. GND pin of IndusBoard Coin

D. Signal sensor connected to Coin board pin

Can the design be changed for a multichannel oscilloscope? *

A. By adding more signal processing modules to board

B. No, not possible

C. Yes, by using other available ADC pins on Coin board

D. Yes, by using more voltage divider circuits to the ADC pin

What changes are needed for a multichannel oscilloscope? *

A. The free ADC pins need to be configured in code as input for signal reading and processing.

B. The multichannel ADC module needs to connect with the board.

C. The signal processor needs to connect with board.

D. None of the above

If one wants to make the oscilloscope safer and more reliable and protect from short circuits, what circuits are needed? *

A. Need to add the fuse, a few diodes for reverse polarity, and resistor divider circuit for higher voltage compatibility

B. Need to add the current sensor

C. Need to add the voltage sensor to protect

D. All of the above

When is a voltage divider circuit needed? *

A. If you need to test for higher voltage range

B. You need it for high current measurement

C. You need it for very accurate data

D. All of the above

The device designed here works in what range and for what type — AC or DC? *

A. AC voltage range

B. DC voltage range

C. Both voltage range

D. None of the above

In real-life scenarios, instead of alligator clips, what is recommended for measurement? *

A. Use jumper pins

B. BNC oscilloscope probe

C. Use wire connector

D. All of the above

What is used in the UI to change the time division and voltage division? *

A. Two slide bars are added in UI to change and modify the time and voltage division in real time

B. Two potentiometers added to UI to change the time and voltage division

C. Time and voltage division is not possible

D. None of the above

What are the parameters it calculates from signals from the ADC pin? *

A. Voltage, frequency of waveform, type of waveform

B. Only voltage

C. Current

D. All of the above

For testing, how to connect the wires to the testing device? *

A. Connect the GND of the Coin Board to the test device’s common ground point and then connect the I/O pin 4 to the test device point where you want to see the signal

B. Use any GPIO pin and connect that to test point of test device

C. Both A and B

D. None of the above

What is the default IP address of the Coin board in AP mode? *

A. 192.168.4.1 is the default IP address of IndusBoard Coin in AP mode

B. In AP mode, IP address is random and changes every time

C. In AP mode, the IP address is 192.169.192.169

D. None of the above

What are the display devices the board can connect to wirelessly and send oscilloscope data? *

A. Any device that has Wi-Fi (Smart TV, PC, laptop, tablet, phone)

B. Only phone and laptop

C. Can only connect to TFT display

D. It has its own wireless display