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Questions and Answers
How many digital I/O pins are there on the Arduino Uno, and how many of them provide PWM output?
How many digital I/O pins are there on the Arduino Uno, and how many of them provide PWM output?
- 12 digital I/O pins, 8 provide PWM output
- 10 digital I/O pins, 3 provide PWM output
- 16 digital I/O pins, 4 provide PWM output
- 14 digital I/O pins, 6 provide PWM output (correct)
What is the operating voltage of the Arduino Uno?
What is the operating voltage of the Arduino Uno?
- 12V
- 3.3V
- 6V
- 5V (correct)
What is the clock speed of the Arduino Uno's microcontroller?
What is the clock speed of the Arduino Uno's microcontroller?
- 8 MHz
- 20 MHz
- 16 MHz (correct)
- 12 MHz
What are the communication pins used for I2C communication on the Arduino Uno?
What are the communication pins used for I2C communication on the Arduino Uno?
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How much flash memory does the ATmega328P microcontroller on the Arduino Uno have?
How much flash memory does the ATmega328P microcontroller on the Arduino Uno have?
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Study Notes
Arduino Uno Specifications
- The Arduino Uno has 14 digital I/O pins, with 6 of them capable of PWM (Pulse Width Modulation) output.
- The operating voltage of the Arduino Uno is 5V.
- The clock speed of the Arduino Uno's microcontroller, ATmega328P, is 16 MHz.
- Pins A4 (SDA) and A5 (SCL) are used for I2C communication on the Arduino Uno.
- The ATmega328P microcontroller on the Arduino Uno has 32 KB of flash memory.
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