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Computer Science
Internet of Things (IoT)
Arduino Programming and Interfacing
1. Introduction to Physical Computing and Arduino
2. Getting Started with Arduino Hardware
3. Setting Up the Development Environment
4. Arduino Programming Fundamentals
5. Digital Input and Output
6. Analog Input and Output
7. Interfacing with Sensors
8. Interfacing with Actuators
9. Communication Protocols
10. Data Management and Storage
11. Advanced Programming Concepts
12. Networking and Internet of Things
13. Project Development and Best Practices
Interfacing with Actuators
Visual Output Devices
Light Emitting Diodes (LEDs)
Standard LEDs
High-power LEDs
Current limiting
RGB LEDs
Common anode vs common cathode
Color mixing with PWM
Color space concepts
LED Strips and Matrices
WS2812B addressable LEDs
Matrix scanning techniques
Power considerations
Seven-Segment Displays
Common anode vs common cathode
BCD to seven-segment decoding
Multiplexing multiple digits
Liquid Crystal Displays (LCDs)
Character-based LCDs
HD44780 controller
LiquidCrystal library usage
Custom character creation
OLED Displays
Monochrome and color variants
I2C and SPI interfaces
Graphics libraries
Text and bitmap display
Audio Output Devices
Piezo Buzzers
Active vs passive buzzers
Frequency response
Volume control
Speakers
Impedance matching
Amplification requirements
Audio quality considerations
Audio Generation Functions
tone() function
noTone() function
Melody playback
Sound effects
Motor Control
DC Motors
Motor characteristics
H-bridge circuits
Motor driver ICs
Speed and direction control
Servo Motors
Standard vs continuous rotation
PWM control signals
Servo library usage
Position feedback
Stepper Motors
Bipolar vs unipolar types
Step sequences
Microstepping
Stepper motor libraries
Motor Control Considerations
Power supply requirements
Heat dissipation
Encoder feedback
Switching and Relay Control
Mechanical Relays
Relay specifications
Coil voltage and current
Contact ratings
Solid State Relays
Optical isolation
Switching characteristics
Heat management
Relay Driver Circuits
Transistor switching
Flyback diode protection
Relay modules
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7. Interfacing with Sensors
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9. Communication Protocols