Category: Hardware

How to Find Default Gateway in Linux

A gateway is a node or a router that acts as an access point to passes network data from local networks to remote networks. There are many ways to find out your gateway in...

How-To Cron jobs in Linux

I recommend KDE’s Task Scheduler (kde-config-cron) . Access it from the System Settings in theTask Scheduler module there. It manages both personal and system Crontabs, and the ease of creating the time boundaries greatly...

Parallel port control in Linux

The program pport is a simple yet handy program and its documented counterpart for accessing the output pins of multiple ports. Using this bundle, one can successfully control any household appliance or electronic device...

Using an Arduino board and optiLoader

if Arduino ISP hacks are not working, there is still hope ! And it is called optiLoader. This project, initiated by Bill Westfield is ‘based’ on the ArduinoISP sketch. Optiloader is a sketch designed for...

Reset  User Password in Ubuntu 12.04 using Recovery Mode

Reset User Password in Ubuntu 12.04 using Recovery Mode

This brief tutorial is going to show you how to easily reset your forgotten password in Ubuntu 12.04 Precise. This short tutorial is going to show you . To get started, power on your...

Rescue guide for your Adafruit ATmega32u4 breakout board

Rescue guide for your Adafruit ATmega32u4 breakout board

The ATmega32u4 breakout board is a beta product. The hardware is essentially perfect, but the firmware is wonky. At least once, I’ve convinced myself that mine was broken, but I eventually figured it out. Here’s how...

Bootloading an ATmega32u4 with Arduino

Bootloading an ATmega32u4 with Arduino

A month or two ago I ordered some of Atmel’s ATmega32u4 microcontrollers to play around with. I was excited to get them, but at the time I was really busy at work, so I...

Adafruit ATMega32u4 as Arduino

Adafruit ATMega32u4 as Arduino

You can use the Adafruit ATMega32u4 breakout board  as an Arduino Leonardo by flashing the bootloader in Arduino 1.0.1 to the board. To follow this process, you use another Arduino, like the Arduino Duemilanove, as a...