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Welcome to JustElectronicX!

JustElectronicX is a free hub of beginner-friendly electronics and IoT tutorials. Whether you're blinking your first LED or building a WiFi-connected sensor network, you'll find step-by-step guides for Arduino, ESP32, ESP8266, and Raspberry Pi Pico — plus the fundamentals of basic electronics.

What you'll find here

  • Get Started guides — hardware setup, IDE/software installation, and your first program for every supported board.
  • Project tutorials — wiring diagrams, code, and explanations for real projects, from simple blinks to sensor-based builds.
  • Built-in examples — walkthroughs of common board examples so you understand exactly what's happening.
  • Basic electronics — components, circuits, and concepts that apply across every platform.

Why JustElectronicX?

No setup required to flash. JustFlash lets you flash pre-built firmware to your Arduino or ESP board directly from your browser using WebUSB — no IDE installation needed.

Mistakes are part of learning. Every guide is written so you can follow along at your own pace, double-check your wiring, and try again if something doesn't work the first time.

Clear, focused guides. Each tutorial covers wiring, code, and explanation — so you understand why it works, not just how to copy and paste.

Community-driven. Have feedback, found an issue, or want to suggest a tutorial? Reach out through the Contact page.

Where to start

Pick your board's Get Started guide:

New to electronics altogether? Start with Basic Electronics to build a foundation before diving into board-specific tutorials.