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b) Answer the following questions. Be prolific in your answers. What is the purpose of the NPN BJT transistor? Explain how changes in the photoresistor's resistance are measured by the Arduino. Which pins in the Arduino are used to implement the PC communication protocol? SCL: SDA: In the code for the sensor, why the value read from the ADC has to be divided by 4 before being transmitted?

b) Answer the following questions. Be prolific in your answers. What is the purpose of the NPN BJT transistor? Explain how changes in the photoresistor's resistance are measured by the Arduino. Which pins in the Arduino are used to implement the PC communication protocol? SCL: SDA: In the code for the sensor, why the value read from the ADC has to be divided by 4 before being transmitted?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Answer the following questions. Be prolific in your answers.

b) Answer the following questions. Be prolific in your answers. What is the purpose of the NPN BJT transistor? Explain how changes in the photoresistor's resistance are measured by the Arduino. Which pins in the Arduino are used to implement the l'C communication protocol? SCL: SDA: In the code for the sensor, why the value read from the ADC has to be divided by 4 before being transmitted? In the code for the sensor, what changes would you need to do to the program to send the sensor readings every 2 seconds? In the code for the actuator, what is the purpose of the map function in line 24? During simulation, why the values shown in the sensor and actuator's Serial Monitors are not the same? What is the oscilloscope displaying? What does the value displayed by the volt-meter represent? How is the intensity of the light bulb controlled?
Transcribed Image Text:b) Answer the following questions. Be prolific in your answers. What is the purpose of the NPN BJT transistor? Explain how changes in the photoresistor's resistance are measured by the Arduino. Which pins in the Arduino are used to implement the l'C communication protocol? SCL: SDA: In the code for the sensor, why the value read from the ADC has to be divided by 4 before being transmitted? In the code for the sensor, what changes would you need to do to the program to send the sensor readings every 2 seconds? In the code for the actuator, what is the purpose of the map function in line 24? During simulation, why the values shown in the sensor and actuator's Serial Monitors are not the same? What is the oscilloscope displaying? What does the value displayed by the volt-meter represent? How is the intensity of the light bulb controlled?
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