Lesson Template

Communication Protocols (SPI, Wire, WiFi)

Get introduced to peripherals and network communication basics.

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Lesson Overview

This lesson introduces the core ideas behind Communication Protocols (SPI, Wire, WiFi).

  • SPI overview
  • I2C/Wire basics
  • WiFi connection flow

Example Code

#include <WiFi.h>
WiFi.begin(ssid, password);

Lessons in This Section

Lesson 73: SPI Communication

Learn SPI basics, signal lines, master/slave behavior, and clock-driven transfer flow.

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Lesson 77: Using Wire (I2C) Communication

Learn I2C basics with Wire library, SDA/SCL lines, addressing, and master-slave data exchange.

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Lesson 102: Wi‑Fi Connect (Simulated)

Follow a conceptual Wi‑Fi scan/connect flow and print a mock IP address using Serial output.

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