How to Build Your Own Version of Lego Mindstorms With Arduino for ~ $100

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Hello reader!

In this tutorial I will show you how I made my own version of Lego Mindstorms.

You will wonder: why?

Lego Mindstorms is a quite good set to get into robotics while being able to use legos to construct the robot. But this set is very expensive (more than 400$). So I decided to build my own version of it with way less money and using the Lego Power Functions Set I had lying around with many other components I used. Since I got bored of building Lego cars that can only move it’s the perfect project to take it to the next level. The idea is writing a file in an SD card that arduino can load, read and act accordingly to what it reads. It’s an Interpreter. An Interpreter is a program that reads a file and does something when it finds a text defined as a command inside the code. For example if it is programmed to print hello when it reads hello inside a file, it will print hello on the screen whenever it finds “hello” inside the file it opened. This will be done for controlling the DC and Servo motors and do other things too.

More info

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