USB volume knob for Windows, Mac OS and Linux – Part 1

In this article I want to take a look at the Atmel ATmega32U4 8-Bit microcontroller, which has a USB 2.0 controller built-in and therefore should enable anybody to make their own USB compatible HID devices. I’ll try to show the process by building a USB volume knob, which will allow the end-user to change the volume or completely mute all sounds on the device it is connected to. Continue reading USB volume knob for Windows, Mac OS and Linux – Part 1

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How to connect your Arduino to the Internet with the ENC28J60

I’m currently working at a custom messaging system, which will users to exchange encrypted messages. To achieve this, I bought a ENC28J60 powered ethernet module, which can be used to connect an Arduino to the Internet (or any other microcontroller that supports SPI). In this short article I want to show you how to connect this module and get it up and running in no time! Continue reading How to connect your Arduino to the Internet with the ENC28J60

How to use a relay module with your Raspberry Pi, BeagleBone or Arduino

Today I’ll just upload a short how to article, explaining how to use a relay module. Some time ago I bought a dirt cheap relay module for controlling high power LEDs with a Raspberry Pi on amazon. One of these modules cost about 2$ (shipping included), which is a fantastic price, so I ordered 5 modules. In this very short article I want to explain how you can use such a module in one of your projects. Continue reading How to use a relay module with your Raspberry Pi, BeagleBone or Arduino