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Questions and Answers
How many Digital In/Out pins does the ARDUINO UNO have?
How many Digital In/Out pins does the ARDUINO UNO have?
- 14 (correct)
- 6
- 12
- 20
How many Analog Inputs does the ARDUINO UNO support?
How many Analog Inputs does the ARDUINO UNO support?
- 4
- 2
- 6 (correct)
- 8
What does the ARDUINO UNO feature for connecting to a computer?
What does the ARDUINO UNO feature for connecting to a computer?
- USB Connection (correct)
- LED
- Serial Clock / SCL/SDA
- Power Jack
Which pin on the ARDUINO UNO is used for power input?
Which pin on the ARDUINO UNO is used for power input?
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What is the function of the RESET button on the ARDUINO UNO?
What is the function of the RESET button on the ARDUINO UNO?
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Study Notes
Arduino Uno Features
- 14 Digital Input/Output (I/O) pins, with 6 capable of Pulse Width Modulation (PWM)
- 6 Analog Input pins
Power and Connectivity
- USB Connection for connecting to a computer
- Power Jack for external power supply
On-Board Components
- Reset Button
- On-board LED
Serial Communication
- Clock and Serial Data pins
- Serial Clock (SCL) and Serial Data (SDA) pins for I2C Bus
Other Pins and Features
- AREF (Analog Reference) pin
- GND (Ground) pins
- Power Pins (PWR IN)
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