In this topic you will find mounts of boards with electronic components managed by Arduino controllers.

The Arduino boards, with lots of analog and digital inputs and outputs, allow us to control electronic devices from a computer through an USB interface with a very simple programming using a language similar to C. There are lots of prefabricated modules for controlling motors, relays and all kinds of sensors, but, if you like electronics, like me, you can design and connect your own analog or digital circuits.

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A stepper motor is a kind of motor that, instead of rotating continuously in one direction, allows rotate in very small steps and stop and change direction very quickly, without problems of inertia. This makes these engines very suitable for mounting them in devices which perform movements that required high precision. In this article I will show how to build a simple controller to handle one of these motors through the Arduino board, along with a sample program written in CSharp that allows you to operate the motor from the computer where the plate is connected.

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I will show in this series of articles how to build a self-defence and martial arts training robot. I have named Octopussy to the invention since you can put several limbs to simulate different types of punches and kicks directed to all of the body parts. It is controlled by a computer, an Arduino board, and an application. I also provide the application source code for you to make modifications as you want.

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This article is the second one on the Octopussy training sparring robot for self-defence and martial arts. Here, I will explain how to build the electronics of the invention. The task consists of little more than connecting a few wires, although a tin soldering iron would also be convenient to have at hand to finish the job better.

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This article is the last in the series dedicated to building the Octopussy martial arts and self-defence training sparring robot. Here, I will explain the use of the software to control the device, which allows you to design a virtually unlimited range of training routines within the robot's features.

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