Saving SP in atmega328p

Context switching is one of the core component of parallel processing. I was trying to implement one such. Storing the SP to data space is something noteworthy.

Create a printf logic in arduino uno for debugging - avr-gcc

If you are using arduino uno board with avr-gcc compiler. You can have a printf printing system for better debugging.

Clear your memory card safely

Deleting a file in Win/Linux is almost like locking in a safe. It can be  retrieved from the drive easily with a recovery program as long as it is not overwritten by some other data.

Install simulavr from the source

An apt-get install simulavr will install a previous version of simulavr in Debian Wheezy which has no support for 'atmega328'. So it is better to install it from the latest source.

Add user into sudoers file, to give superuser permissions in debian wheezy

If you are getting an error message like this " is not in the sudoers file. This incident will be reported." when using commands with sudo in debian wheezy.
You can solve this by editing the /etc/sudoers file.

Download video/audio from youtube

There are different ways to download videos from youtube without any desktop/mobile applications.

Blogger template editing

The look and feel of the blogger template can be changed by editing the HTML and adding extra CSS into the blog template. In this blog I will explain some simple method to accomplish that.