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Rocket Surgery!
I am a late-comer to Kerbal Space Program. For shame.Been playing it for a week or two now and just now I managed to successfully dock two hand-built vessels in LKO (low Kerbin orbit).To those...
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Knocking it out of the (osh) park!
www.oshpark.comMy "2049" game PCBs have arrived, a mere 17 days after I submitted the Gerber files!As usual they look awesome. The quality is top-notch and the gold plated copper on dark purple with...
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2049 Hardware Complete!
This is the finished board running the firmware that I originally wrote as an Xmas tree decoration...Looks better in real life than this photo would suggest :)
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Electric Imp - Weather Display
Found a much better use for the 2049 board - a simple, cheap weather forecast display...This picture shows an Electric Imp device delivering a 4x4 pixel image to the 2049 board from a server on the...
View ArticlePropeller - high frequency output using CTRA
Here's a quick example of how to provide a high frequency output on a Propeller's GPIO pin.Frequencies far above the actual CPU's clock speed can be generated with excellent resolution. In experiments...
View ArticleCasio 4723 (WVQ-550) wrist watch takes a CR1616 battery
Casio 4723 model watches (Wave Ceptor WVQ-550) require a CR1616 Lithium 3V coin cell.As that information seemed to be entirely absent from the internet I have secreted it here for all eternity.Get one...
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[Ada Example #1] Statically linking C code into an Ada program
The following is intended to be a simple "hello world" style example of how to call a C function from Ada code. I am using Linux (Debian Jessie, with the latest and greatest GCC v4.9.3 / Gnat v4.9.2...
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Homebrew VHF Band Pass Filter
I've recently resumed my interest in radio technology after seeing the "SDRPlay RSP" device featured on a popular electronics website. I bought one and then proceeded to be puzzled by the black magic...
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SDR on Android with DVB adaptor
SDR on an Android 5.1.1 phone (OnePlus 2) using an "ezcap DVB-TFM DAB" dongle.The app is called "RFAnalyzer" by Dennis Mantz, and is available for less than £1 (at time of writing) on the Google Play...
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