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Monthly Archives: March 2009

Adding C++ virtual methods in Visio

Amazing how difficult is to get C++ virtual methods in Visio .

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High speed USB in a embedded design

I’m looking at how to do a USRP clone. After evaluating a little bit the Altera Cyclone FPGA development/starter kits I realized that I would need an extra USB controller like the original USRP has. Right now, I’m trying to figure out how to use the Cypress FX2 CY7C68013, together with the [...]

Changed to Sandbox theme today

I think it was about time to change theme. I opted for Sandbox, I like the clean look. I was surprised on how well the change theme procedure was, just switch theme and the sidebar (with all the widgets) it’s still there.

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Arduino Mega released today

Arduino Mega was released today. I already ordered mine from lawicel.
As stated in arduino mega page:
It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a [...]

FPGAs, GNU Radio and alternatives

A couple of day ago, I stumbled on GNU Radio. I was looking around electrokit online shop searching for components and I saw a Cyclone III FPGA Starter Kit for 1599 SEK (2000 SEK including taxes) and I thought : “uhmm, I could put one of this to some use” I was thinking that maybe [...]

Arduino library for MMA7260Q (Tilt Sensor)

In the past days I published a couple of arduino libraries. All coming from by XBee sensor development. I’m still waiting for the MAX756 to arrive from Futurlec, I need the MAX756 to power the xbee sensor with batteries and mount it in its final position. So in the meanwhile I’m cleaning a little bit [...]

Warning: Invalid keyword ‘DNSCache’ (webalizer.conf) in MacPorts (Mac OS X)

If you installed webalizer via MacPorts in your Mac OS X you must know that it comes without dns support. That’s why you’re getting those

Warning: Invalid keyword ‘DNSCache’ (webalizer.conf)
Warning: Invalid keyword ‘DNSChildren’ (webalizer.conf)
Warning: Invalid keyword ‘DNSCache’ (webalizer.conf)
Warning: Invalid keyword ‘DNSChildren’ (webalizer.conf)

To enable it , uninstall webalizer

sudo port -d uninstall webalizer

Edit the Portfile for webalizer

vi [...]

Arduino Library for Hmc6352

As part of my Xbee sensor project, I created an object oriented API to access HMC6352 compass functionality and I decided to make it downloadable as an Hmc6352 Arduino Library.
Just unzip the file in the $arduino_home/hardware/libraries/. At the end you should end with $arduino_home/hardware/libraries/Hmc6352.
The library includes an example on how to use it (in File [...]

How to fix the cyberduck quicksilver plugin

If the CyberDuck plugin is not working for you, (you can’t right-arrow to see the bookmarks) make sure that you changed the default nicknames of the bookmarks.
Probably if you open the Console you’ll find some “missing nickname” errors there.

[March19] [March 19] 7:31:22 PM Quicksilver[6037] Error: No ‘Nickname’ key for favorite:

I found the answer in this [...]

Listen to radio online (in Mac OS X)

I want to listen to Sverige Radio P1 in Mac OS X. It seems that Windows Media Player and RealPlayer are the only supported options so I thought I couldn’t do it but then I found Flip4Mac WMV Player also known as Windows Media® Components for QuickTime, by Flip4Mac™ . After installing it and [...]