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I heard Santa Claus talking in Morse Code (CW)!

I heard Santa Claus talking in Morse Code (CW)!
Now my new passion is Amateur Radio, I want to see what signals are in the ether. I’m not talking WiFi or mobile phone, but real signals from real people. You don’t get any more real than our friend in the big red suit that goes by so many names: Per Noel, Santa Claus, Sinte Klaas, Father Christmas, Old Saint... Read More

Ham (Amateur) Radio – my latest hobby

Ham (Amateur) Radio – my latest hobby
I have been interested in ham (amateur) radio for as long as I can remember. Before the days of internet being available to anyone in their own homes the idea of being able to talk with people from anywhere in the world – and beyond – has always held massive appeal to me. As a teenager I dabbled a little... Read More

Ubuntu remove icon from top bar [Applications Places]

Ubuntu remove icon from top bar [Applications Places]
Somehow my top bar in Ubuntu Linux had multiple icons for the same program and I could not remove them. Right clicking did nothing, left clicking started the program, Shift-dragging made duplicates of the icon, Ctrl-dragging did nothing useful. There is a solution. Use the Super key (on PC keyboards it is also known as the Windows key) and Alt... Read More

Ubuntu AMD no overscan / underscan fix

Ubuntu AMD no overscan / underscan fix
I have a monitor with a bunch of dead pixels at the left hand side and the bottom affecting maybe 5% of the screen. Rather than throw the monitor away I usually change the underscan so I can skip the dead pixels. Ubuntu 16.04 decided that it would no longer play nice with the official AMD drivers for my graphics... Read More

Particle core/photon/electron function post data using curl or wget

Particle core/photon/electron function post data using curl or wget
This is a quick howto on using curl, wget or any other web based method to pass data to a Particle (formerly Spark) Core, Photon or Electron. Prerequisites: working Particle device as listed above software on the device waiting for user passed data The device’s access token A simple code example which exports a function is below. int ledPin =... Read More