Arduino Course Roadmap

• Concept of microcontrollers vs microcomputers

• Arduino vs Raspberry Pi (use-cases, capabilities)

• Why: Understand where each is used so you can choose the right platform

• Benefits of learning Arduino

• Real-life applications

• Why: Builds a strong motivation to dive into embedded systems

• UNO, Nano, Mega, Leonardo

• Specifications & applications

• Why: Helps you choose the right board for your projects

• Downloading and setting up IDE

• Why: Essential tool to program Arduino boards

• File structure, toolbar, sketch saving

• Why: Helps navigate and write code easily

• Blink an LED

• Why: First hands-on experience with Arduino

• Components: MCU, regulators, headers

• Why: Know what's on the board and how it works

• Digital, Analog, PWM, Power, Communication

• Why: Learn where and how to connect components

• INPUT, OUTPUT, INPUT_PULLUP

• Why: Fundamental for I/O control in projects

• digitalRead(), digitalWrite()

• Why: Basic interaction with the world (e.g., buttons, LEDs)

• analogRead(), sensors

• Why: Capture varying sensor values like temperature or light

• analogWrite(), LED dimming

• Why: Control speed, brightness, etc.

• Internal vs external pull-ups

• Why: Avoid false readings from input pins

• Debouncing techniques

• Why: Reliable digital input handling

• Serial.begin(), Serial.print(), Serial Monitor

• Why: Debugging and data monitoring

• Real example

• Why: Combines input and output basics

• int, float, bool

• Why: Write efficient, bug-free code

• if, else

• Why: Add decision-making logic

• for, while

• Why: Automate repetitive tasks

• Creating and calling functions

• Why: Modularize and reuse code

• Playing sounds

• Why: Add audio feedback to projects

• Analog input practice

• Why: Learn analog control (e.g., brightness, volume)

• LDR sensor

• Why: Practical use of sensors

• LM35 sensor basics

• Why: Environment monitoring projects

• Sweep motion with code

• Why: Start learning robotics motion control

• Color mixing using PWM

• Why: Visual feedback or decoration

• Connecting components

• Why: Build real-world projects without soldering

• Common errors and how to fix

• Why: Save hours troubleshooting

• USB, battery, power jack

• Why: Prevent hardware damage

• Combines sensors, logic, and output

• Why: Apply all basics into a real project

• How to install and include libraries

• Why: Unlock access to powerful features for sensors/modules without writing everything from scratch

• Using DHT library

• Why: Learn how to interface with digital sensors

• Measure distance using HC-SR04

• Why: Begin working with precise distance-based projects (e.g., obstacle avoiders)

• Detect motion or objects

• Why: Useful in automation, counting, and security systems

• Sweep, angles

• Why: Foundation for robotics, automation, gates, and arms

• Control DC motors

• Why: Enables movement-based projects like robots and cars

• Controlling high-voltage devices

• Why: Bridges between low-voltage Arduino and high-power appliances

• Print messages on screen

• Why: Provide feedback without a PC

• SSD1306, graphics

• Why: Compact display with text and visuals

• Showing numbers

• Why: Learn multiplexing and numerical displays

• Non-blocking delays

• Why: Replace delay() for multitasking in real-time applications

• attachInterrupt(), ISR

• Why: Prioritize immediate responses (like emergency stop)

• Debounced and real-time buttons

• Why: Make systems more responsive and safe

• Store data permanently

• Why: Save configurations or settings across restarts

• Communication with LCDs, sensors

• Why: Use multiple devices over two wires

• Fast data exchange with modules

• Why: Interface with high-speed peripherals like SD cards, displays

• Serial to Serial communication

• Why: Interface between Arduino and other devices (e.g., GPS, GSM)

• Store or observe sensor data

• Why: Essential for debugging and data analysis

• DS3231 usage

• Why: Enables time-based automation and scheduling

• 4x4 matrix keypad

• Why: Add secure or interactive input to your project

• Button-controlled interface

• Why: Make your projects user-friendly

• Control devices using IR remotes

• Why: Add wireless control with common household remotes

• Detect precise rotation and direction

• Why: Useful in control panels and menu navigation

• Detect human movement

• Why: Great for smart home and security systems

• Safety sensors integration

• Why: Fire detection system prototypes

• Touch-sensitive switch

• Why: Modern, no-contact control interface

• Detect claps, sounds

• Why: Build projects like sound-activated switches

• Detect magnetic fields

• Why: Use in speedometers, door sensors, etc.

• Read and manage multiple sensors simultaneously

• Why: Build complex, real-world systems

• Combining sensors, LCD, decision logic

• Why: Apply most of the concepts into a practical, real-life scenario

• Introduction to NodeMCU and ESP32

• Why: Enables cloud-based and wireless control for smarter projects

• Basic WiFi.begin() and status check

• Why: Foundation for all Internet-connected projects

• Cloud data visualization

• Why: Monitor sensor values online in real-time

• UI app control using virtual pins

• Why: Build mobile-controlled smart devices quickly

• Read and display time

• Why: Automate tasks based on time, like alarms or scheduling

• Write sensor data to .txt/.csv

• Why: Long-term offline data storage and tracking

• Create virtual buttons to control relays

• Why: Start building real-world IoT automation

• Turn on/off appliances via app

• Why: Build energy-efficient, smartphone-based automation systems

• Send/receive data via Android Bluetooth Terminal

• Why: Enable short-range wireless control of devices

• Use joystick app to drive a robot

• Why: Combines motors, wireless control, and fun

• Send SMS alerts, call features

• Why: Communicate in rural/no-WiFi zones (e.g., security alerts)

• Read location coordinates

• Why: Build trackers, navigation systems

• Fetch real-time weather online

• Why: Combine web + physical sensors for smart applications

• Realtime database read/write

• Why: Store settings, logs or control devices through cloud DB

• Create HTML control panels

• Why: Host device control interfaces directly from Arduino

• Fast, 2-way data updates

• Why: For applications like live monitoring without refresh

• Build web dashboards

• Why: Use visual graphs and controls in the cloud

• Gmail alerts for sensor triggers

• Why: Receive updates from home automation/security systems

• Automate Arduino with voice

• Why: Bring real AI features into daily use

• Publish/Subscribe model with brokers

• Why: Scalable communication protocol for advanced IoT systems

• Use 4-channel relay + manual override

• Why: Learn industrial-grade safety and automation

• Send image to mobile/web

• Why: Surveillance or AI-based control systems

• Collect data, train models, deploy

• Why: Build smart devices that learn and react intelligently

• Control LED/motor with hand gestures

• Why: Contactless control systems and wearable devices

• Use TV remote for appliance control

• Why: Universal and affordable control method

• Detect power failures

• Why: Add reliability and safety layers to IoT systems

• MFRC522 based authentication

• Why: Build secure entry or asset tracking projects

• Interfacing analog industrial sensors

• Why: Start creating real-world automation setups

• Structure .h/.cpp, reuse code

• Why: Organize and scale projects professionally

• Combine RTC, sensors, app, voice, and data logging

• Why: Showcase all skills in one real, working product