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Arduino Basics
Vidumina Team April 19, 2026

HC-SR04 Ultrasonic Sensor with SPI OLED Display and Arduino Nano — Complete Beginner Guide

Learn how to connect an HC-SR04 ultrasonic sensor to Arduino Nano and display live distance measurements on an SPI OLED screen. Full wiring, code, and explanation.

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Arduino Basics
Apr 14, 2026

SPI OLED Display with Arduino Nano — Complete Beginner Guide

Learn how to connect and program a 0.96-inch SPI OLED display with Arduino Nano. Full wiring diagram, working code, and...

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Vidumina Team
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Arduino Basics
Apr 12, 2026

Arduino vs Raspberry Pi – Which One Should Beginners Choose?

Confused between Arduino and Raspberry Pi? This beginner-friendly guide breaks down the real differences, compares featu...

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Arduino Basics
Apr 12, 2026

Digital vs Analog Pins in Arduino – Simple Beginner Guide

Learn the difference between digital and analog pins in Arduino. Simple explanation with real examples, PWM, and beginne...

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Vidumina Team
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433MHz RF Transmitter & Receiver (YK04) Project – Wireless LED Control Guide DIY
Apr 12, 2026

433MHz RF Transmitter & Receiver (YK04) Project – Wireless LED Control Guide

Learn how to build a wireless LED control project using the 433MHz YK04 RF transmitter and receiver. Step-by-step guide...

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Vidumina Team
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Arduino Basics
Apr 11, 2026

Arduino Mega Pin Diagram Explained: Complete Guide for Large Projects

Running out of pins on your Arduino UNO or Nano? Discover how the Arduino Mega solves big project problems — pins, zon...

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Vidumina Team
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Arduino Basics
Apr 11, 2026

Arduino Nano Pin Diagram Explained (Beginner-Friendly Guide with Examples & Comparison)

Discover every pin on the Arduino Nano — Power, Digital, PWM, Analog, and Communication pins explained simply with rea...

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How Black Holes Work: A Complete Guide to the Universe's Most Extreme Objects
Physics

How Black Holes Work: A Complete Guide to the Universe's Most Extreme Objects

Black holes are among the most fascinating and extreme objects in the known universe. In this compre...
The Periodic Table Explained: Understanding Elements, Groups, and Trends
Video

The Periodic Table Explained: Understanding Elements, Groups, and Trends

The periodic table is one of the most important tools in all of science — a single organized chart...
Introduction to Artificial Intelligence: Machine Learning, Neural Networks, and the Future
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Introduction to Artificial Intelligence: Machine Learning, Neural Networks, and the Future

Artificial intelligence is transforming every field of human endeavor, from healthcare and education...
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