- Arduino - Home
- Arduino - Overview
- Arduino - Board Description
- Arduino - Installation
- Arduino - Program Structure
- Arduino - Data Types
- Arduino - Variables & Constants
- Arduino - Operators
- Arduino - Control Statements
- Arduino - Loops
- Arduino - Functions
- Arduino - Strings
- Arduino - String Object
- Arduino - Time
- Arduino - Arrays
- Arduino Function Libraries
- Arduino - I/O Functions
- Arduino - Advanced I/O Function
- Arduino - Character Functions
- Arduino - Math Library
- Arduino - Trigonometric Functions
- Arduino Advanced
- Arduino - Due & Zero
- Arduino - Pulse Width Modulation
- Arduino - Random Numbers
- Arduino - Interrupts
- Arduino - Communication
- Arduino - Inter Integrated Circuit
- Arduino - Serial Peripheral Interface
- Arduino Projects
- Arduino - Blinking LED
- Arduino - Fading LED
- Arduino - Reading Analog Voltage
- Arduino - LED Bar Graph
- Arduino - Keyboard Logout
- Arduino - Keyboard Message
- Arduino - Mouse Button Control
- Arduino - Keyboard Serial
- Arduino Sensors
- Arduino - Humidity Sensor
- Arduino - Temperature Sensor
- Arduino - Water Detector / Sensor
- Arduino - PIR Sensor
- Arduino - Ultrasonic Sensor
- Arduino - Connecting Switch
- Motor Control
- Arduino - DC Motor
- Arduino - Servo Motor
- Arduino - Stepper Motor
- Arduino And Sound
- Arduino - Tone Library
- Arduino - Wireless Communication
- Arduino - Network Communication
Quiz on Arduino Character Functions
1. What is the purpose of the 'isAlpha()' function in Arduino?
2. Which function would you use to determine if a character is a digit?
3. What does the 'isLower()' function do?
4. Which function can be used to convert a character to its uppercase equivalent?
5. If you want to check if a character is printable, which function would you use?
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