Random Nerd Tutorials
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Circuits – 7 Segment Displays

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I’ve decided to write this post to support a bit of the theory behind my new project (click here to see) in which I’ve used a 7 segment 4 digit display (Common anode).

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Reviews – HC-05 Bluetooth Module

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The HC-05 Bluetooth module is the most economical and easiest way to go wireless (via Bluetooth).

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Arduino – Control DC Motor via Bluetooth

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In this project we will control a DC motor with a smartphone via bluetooth. This project is great to learn more about:

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Tools – CircuitLab

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Today I’ve decided to talk about the CircuitLab.com. This a circuits simulator which you can run in your browser, you can build your schematics in the editor mode and simulate your circuit.

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Arduino – Shrink your Arduino project

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Sometimes when we’re making some projects with our Arduino and we want to make them permanent It would be a waste to use an Atmega328 chip with so many pins if we’re just using a few.

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Circuits – 5$ Fan for Soldering Station

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Today I’ll show how you can control a PC fan with a simple circuit that I’ve created this is the easiest way I’ve thought that this could be done.

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Arduino – Control Servo with Visual Basic

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Today I’ll show how you can control a servo with Visual basic. Before this project I’ve never used Visual basic so if anyone finds any mistake in my code please leave a comment here and help me improve it.

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Circuits – Homemade PCB’s

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Today I’ll share with you two ways for making homemade PCB’s! I’ll just show two of the methods I’ve found easier and cheaper:

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Arduino – Control LEDs with IR Remote Control

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Today I will talk about how you can control any device using a remote control and your Arduino.

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Arduino – Standalone Arduino

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I’ve decided to share this tutorial because it’s really useful for all the Arduino users.

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Arduino – The Arduino Mothbot

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If you’re a beginner and like robots this is probably the best robot you can begin building. It’s really easy to make because the author decided to cover all the steps to make it easy for anyone understand, you can check all the information here: The Arduino Mothbot at instructables.

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Arduino – Poor Man’s Oscilloscope

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Today I’ll talk about a really good project you can do with your Arduino! This is the best way you can have a cheap oscilloscope around, I didn’t write this code, I’ve found it on the internet a while back ago and I’ve decided to share this awesome project. Let’s start…

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Arduino – Pull-Up Resistors

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Today I’ll talk about Arduino built in Pull-Up resistors. I think that probably some of you already used this Arduino feature (It’s actually on all ATmega 328 microcontroller) but never realized what It was.

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Arduino – 3 Books you Should Read

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Hi guys, In this post I will tell you 3 Arduino Books I’ve really enjoyed reading!

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