Author: luke
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iOS Notifications with Arduino
One of the few things I really like about my Blackberry was the red blinky light that let me know if anything new happened. The iPhone is a great device, but it is easy miss that you have a new email or text. Apple has create a centralized place to collect all of these new…
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Using a HackRF to Capture an Entire Radio System
OpenMHz.com After a bit of work, I have put together a system that lets you monitor the radio system for DC Fire, EMS & City Services. Everything gets recorded and can be played back through a website. Thanks to the magic websockets, any new call that comes in gets added to the top of the…
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Receving P25 CAI Using a HackRF
I have been playing around a bit and found an easy way to receive and playback digital LMR. More and more of the radio systems are going from narrow band FM to Digital. This makes it tough to listen to them on GQRX. DSD is a great program which can decoded the audio you get…
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HackRF SDR on OSX
I was one of the lucky recipients of Mike Ossmann‘s awesome HackRF Jawbreaker boards. I have a Ubuntu laptop I can play around with at work, but MacBook at home. I am not complaining! I wish I had a Mac at work too. Anyhow I wanted to get it up and running on my Mac,…
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Linux Driver For Sure Electronics DE-DD22111
In addition to offering cool LED modules, Sure Electionics also offers a nice Demo / Driver board to go along with them. The only bummer is that the driver board needs a Windows Java program to run if you want to send text to it, to be displayed. I did some backwards engineering and looked…
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$100 Internet Enabled LED Message Board
The Raspberry Pi is a lot of fun to play with but I wanted to do something “useful” with it. The obvious solution was of course to connect something fun to it. I have always wanted to have a message board all to my own so I can display my wisdom and entertain my co-workers.…
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Forcing a Visual or HTML Mode in WP_Editor
If you are incorporating the built-in TinyMCE editor into a WordPress Plugin using wp_editor() it is possible to force it into a mode. Simply latch onto the wp_default_editor hook: add_filter( ‘wp_default_editor’, ‘force_default_editor’ ); function force_default_editor() { //allowed: tinymce, html, test return ‘tinymce’; }