Project Bytes

Building things that blink, beep, and occasionally fly

  • 350Z Pushbutton Start

    350Z Pushbutton Start

    A couple of years ago I designed a pushbutton start for my Nissan 350Z.  It consisted of a handful of automotive relays, some diodes, and the pushbutton from the Nissan Altima that features keyless starting.  I really wanted to make…

    Read more

  • SUFO-1 Flight Recap

    SUFO-1 Flight Recap

    SUFO-1 successfully completed its flight to near space and back on 8/20/2011.  A lot of work went into this flight and I’m very happy with how it all came together.  Here’s a recap of the flight and some interesting stats.…

    Read more

  • Launch Day Tomorrow

    Launch Day Tomorrow

    My first high altitude balloon will launch tomorrow, August 20th, at 9am CDT.  Final preparations are being made tonight for the morning launch.  Feel free to follow KD0OYK-11 on APRS.fi.  Hopefully SUFO-1 is a successful flight and we get some…

    Read more

  • Successful Tracking Test

    Successful Tracking Test

    I took the high altitude balloon tracking system out for a test drive in my truck.  The intent was to test everything, but especially the transmitter and homemade antenna.  After a short drive I was picked up by a nearby…

    Read more

  • Fear and Loathing in EPROMs

    Fear and Loathing in EPROMs

    In a previous post I mentioned how I used an ancient Kantronics KPC-3 terminal node controller in my high altitude balloon project.  It takes the transmitted location data and converts it so a computer can understand it.  As it turns out, it…

    Read more

  • HAB Tracking Equipment

    HAB Tracking Equipment

    The tracking equipment for a high altitude balloon using the amateur radio frequencies is fairly straightforward.  Most of the equipment can be purchased off the shelf and used equipment is easy to find.  My high altitude balloon uses the Automatic…

    Read more

  • Helium Tank Hose

    Helium Tank Hose

    A critical part of launching a high altitude balloon is obviously getting the helium out of the tank and into the balloon.  It is possible to hold the balloon directly on the nozzle of the helium tank.  However, they are not…

    Read more

  • Ham License

    Ham License

    I just received my official amateur radio license in the mail from the FCC.  I took the Technician Class license exam on June 14th and I was listed on the FCC webpage by June 17th.  I received my paper license…

    Read more

  • Disco Table Construction

    Disco Table Construction

    I spent a lot of time designing the Disco Table before I stepped foot in a hardware store.  The first step I took was laying masking tape on my living room floor to get an idea of how big the…

    Read more

  • Disco Table Electronics

    Disco Table Electronics

    The Disco Table electronics are fairly straightforward.  Audio is sampled with a microphone and the volume of the audio is adjusted with a potentiometer.  An equalizer display filter detects the peaks of several frequencies of the incoming audio and passes it…

    Read more

  • Disco Table Inspiration

    Disco Table Inspiration

    In late 2004, the electronic dance music duo Daft Punk teamed up with Habitat (a ‘posh’ store in England) to design the Daft Punk Table.  The picture below shows the original table on display at Habitat.  It featured a 5×5 grid of white lights under…

    Read more

  • Hacking a Digital Camera

    Hacking a Digital Camera

    I originally heard about hacking Canon digital cameras before I even knew what a high altitude balloon was.  So when I started planning for my balloon launch, I knew it would be the perfect way to control a camera at…

    Read more