How to make your own custom GNU Radio blocks – the C++ way

If you’re a GNU Radio user you know that most of the functions you need are contained the stock group of GNU Radio blocks. However, there are times when you may want to code up a custom block to perform a unique function not found on the stock blocks. Jean-Benoit Larouche has posted the first […]

Parallax Propeller C learning system

Parallax has revamped their tutorials for learning to program the Propeller in C. You can find a number of programming tips and examples as well as links to the SimpleIDE open source programming tool for use with Propeller C on the Learn.Parallax.C site. For more information on the SimpleIDE download their 33 page PDF User […]

Takeoff on vintage HP printer hack displays stock prices

This HP Printer Display Hack by Chris Miller is a simple background application that periodically checks the current price of a selected stock and sends it to the display of HP (and compatible) laser printers. It is a takeoff on the 1990s hack that used HP Job control language to change the text on the […]

Propeller GCC Beta enables programming in C and C++

Parallax has announced the availability of the Propeller GCC/SimpleIDE programming environment for the Propeller chip. “Now you can program your Propeller based application in C or C++! Parallax is proud to announce that it is moving into the beta phase for Propeller GCC – Parallax’s new open-source, multi-OS, and multi-lingual compiler that targets the Parallax […]

SDR#: C#-based SDR app

Here’s a new open source Windows SDR application. According to the developers, “SDR# (read SDR Sharp) is a simple, intuitive, small and fast PC-based DSP application for Software Defined Radio. It’s written in C# with both object design correctness and performance in mind. The main purpose is to offer a simple proof of concept application […]

Advanced Arduino hacking

Maik Schmidt likes the Arduino, but like many of us he realizes the platform’s potential for advanced techniques beyond the IDE. In this article from the Pragmatic Bookshelf, he highlights the steps a beginner can take to learn how to develop software for the Arduino in a deeper way. Starting with how the IDE turns […]