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Arduino & IoT Academy

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Build smart devices with Arduino and C++. From digital and analog I/O and sensors to networking and real-world IoT projects.

🤖 AI-Powered📚 30 courses👥 100,000+ learners⭐ 4.9 rating
Course Overview

Arduino & IoT: Build Smart Devices

Build smart devices with Arduino and C++. From digital and analog I/O and sensors to networking and real-world IoT projects. This track covers 30 progressive mini-courses from absolute beginner (A1) through advanced (B2), with short focused lessons and quick quizzes to lock in each concept.

What You Will Learn

You start with the fundamentals and build up through intermediate and advanced topics, each course building on the last. Every lesson is practical and bite-sized, with a 24/7 AI tutor available when you need help.

How It Works

Each course is broken into four focused, bite-sized lessons. Complete a few lessons a day and you will master the full track in weeks, not months.

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How You'll Learn

🎯
Interactive Lessons
Hands-on coding exercises with real-time feedback
🤖
AI Tutor
Get instant help from our AI when you're stuck
💻
Built-in Editor
Write and run code directly in your browser
🏆
Certificate
Earn a certificate when you complete the course
Curriculum

30 Courses

Every course in the Arduino & IoT Academy learning path.

01

What Arduino & IoT Really Are

A14 lessons

Understand what a microcontroller does and how Arduino turns code into real-world action.

02

Meet Your Board & Install the IDE

A14 lessons

Identify board parts and set up the Arduino IDE to upload your first sketch.

03

Inside an Arduino Sketch

A14 lessonsPRO

Read and write the setup/loop structure that every Arduino program uses.

04

Blink: Master Digital Output

A14 lessonsPRO

Control LEDs precisely using digital pins and HIGH/LOW signals.

05

Read Buttons with digitalRead

A14 lessonsPRO

Detect button presses and make your device react to input.

06

Sense the Analog World

A24 lessonsPRO

Read varying voltages from a potentiometer with analogRead.

07

Fade & Dim with PWM

A24 lessonsPRO

Produce smooth brightness and analog-like output using analogWrite.

08

Talk to Your Board: Serial Monitor

A24 lessonsPRO

Print data and read input over USB to debug and interact.

09

Breadboards & Building Circuits

A24 lessonsPRO

Prototype reliable circuits and avoid the wiring mistakes beginners make.

10

Variables & Non-Blocking Timing

A24 lessonsPRO

Store state and time events with millis() instead of freezing on delay.

11

Measure Temperature & Humidity (DHT)

B14 lessonsPRO

Read a DHT sensor and report climate data over Serial.

12

Measure Distance with Ultrasonic

B14 lessonsPRO

Use an HC-SR04 to detect objects and measure range in centimeters.

13

Detect Motion & Light (PIR & LDR)

B14 lessonsPRO

Sense presence with a PIR and ambient light with an LDR.

14

Move Things: Servo Motors

B14 lessonsPRO

Control a servo's angle to create motion in your projects.

15

Drive Motors & Switch Loads (Relay)

B14 lessonsPRO

Spin a DC motor and switch high-power devices safely with a relay.

16

Show Data on an LCD Display

B14 lessonsPRO

Print sensor readings and messages on a 16x2 character LCD.

17

Crisp Graphics on an OLED

B14 lessonsPRO

Render text and shapes on a small I2C OLED screen.

18

Connect Modules with I2C & SPI

B14 lessonsPRO

Wire and address multiple peripherals using the two key bus protocols.

19

React Instantly with Interrupts

B14 lessonsPRO

Capture fast events using hardware interrupts instead of polling.

20

Clean Inputs: Debouncing & EEPROM

B14 lessonsPRO

Stop noisy button bounce and save settings that survive power loss.

21

Go Wireless: WiFi with ESP32/ESP8266

B24 lessonsPRO

Move to a WiFi-capable board and connect it to your network.

22

Talk to the Web: HTTP & REST

B24 lessonsPRO

Send sensor data to a server and fetch data from REST APIs.

23

Lightweight Messaging with MQTT

B24 lessonsPRO

Publish and subscribe to topics for real-time IoT communication.

24

Connect to IoT Cloud Platforms

B24 lessonsPRO

Stream device data to a cloud dashboard and control it remotely.

25

Short-Range Control with Bluetooth & BLE

B24 lessonsPRO

Pair your device with a phone and exchange data over BLE.

26

Update Firmware Over the Air (OTA)

B24 lessonsPRO

Flash new code to deployed devices wirelessly, no USB cable needed.

27

Run for Months: Deep Sleep & Low Power

B24 lessonsPRO

Slash power draw so a battery-powered sensor lasts far longer.

28

Log Data & Keep Time

B24 lessonsPRO

Record timestamped readings to an SD card or the cloud.

29

Secure Your IoT Device

B24 lessonsPRO

Apply core security practices so your device isn't an easy target.

30

Capstone: Ship a Complete Smart-Home Sensor

B24 lessonsPRO

Combine everything into one connected, cloud-reporting, updatable device.

FAQ

Frequently Asked Questions

Is the Arduino & IoT Academy course free?

Yes. You can start the Arduino & IoT Academy course for free and complete its interactive lessons at no cost. An optional PRO subscription unlocks advanced AI tools and a shareable certificate.

Do I need prior experience to learn CPP?

No. The course begins with the fundamentals and gradually moves to more advanced topics, so you can start even with no prior CPP experience.

How will I learn CPP on CoddyKit?

You learn by doing. Short interactive lessons pair a clear explanation with a hands-on coding exercise that runs in real time, and a 24/7 AI tutor gives personalized help whenever you get stuck.

Do I get a certificate for completing Arduino & IoT Academy?

Yes. PRO learners can take an exam and earn a shareable certificate of completion with a verifiable code for the Arduino & IoT Academy course.

Can I learn CPP on my phone?

Yes. CoddyKit is available on the web and as native iOS and Android apps, so you can learn CPP on any device and your progress syncs across them.

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