@zdanivsky is a rock climber, wheeler, foodie and coder for hire in vancouver canada. you can find him on the sea wall or in his brad cave.
wheelchair disk brakes

wheelchair disk brakes

A long standing project, and a big part of the open PAW concept, is controlling braking with software (on board arduino or android). As a quadriplegic I don’t want to take my hands off the wheels to apply the brakes because this throws off my balance (especially on uneven ground...
testing the gopro hero 3 camera

testing the gopro hero 3 camera

testing the camera on the seawall. this is simply the goPo handle bar mount attached to my wheelchair. I imported into final cut and shared to youtube directly. I did the colour balance step after a few basic edits. be sure to try it in different resolutions. the 720p and...
meet the super humans

meet the super humans

About bloody time, I say. These warm and fuzzy videos of past Paralympic games are just vomit inducing. (like Michael Bolton singing kind of bad). Finally the marketing people are getting it. These athletes are simply bad-ass. They work hard for years to get to the games, and then they...
tacking into the bike lane

tacking into the bike lane

update: personal best for distance in a day with hills. I call this ‘red route four’, and going over the bridge this way is a brutal left arm workout. It’s finally summer and I am happy to trade in the computer screen radiation for sunshine. After all the rain I...
free education in computer science

free education in computer science

I am finally ready and wanting to learn again. No papers and exams, but learning for fun. Remember when that was true? As a kid, my friends and I would create small dams with sand and mud, then upend the buckets of water to see if our design actually worked....
telnet to oculus

telnet to oculus

News update: Oculus can now be purchased via RobotShop.com in most counties. As a follow up to the blog on using good old telnet to control oculus, I’ll give a few examples of how you can test your own scripts. A standard telnet session from my OSX machine follows, note...
sending gmail attachments from android

sending gmail attachments from android

Here is a simple class to send yourself a gmail from your Arndoid phone, which can be something like the T-Mobile Samsung phones. You’ll need mail.jar in your eclipse project, but the rest is just this one class below. We are using this to test on the chair bot (OpenPAW)....
aldebaran robotics' nao

aldebaran robotics’ nao

Solid state sensors and high torque servos are getting cheaper all the time, but it is the software methodologies that needed to change for walking to be considered a “primitive behavior”. Any kids learning about robots would, and should, assume that we have walking sorted. Getting back into standing from...
have a go day

have a go day

Update: see photos here. Summer is in full swing and we are going to set up the climbing rig in Squamish on August 21st. We have done this route several times, but with everyone in different jobs. I’m going to put all the details here because much of the planning...
sexual health education

sexual health education

These are a few videos we made with Dr. Elliott(sexual health doctor) disguising sperm retrieval and vibro-stimulation with Dr Ip (family doctor). This is basic information for quadriplegics that are going through rehab and want to avoid dangerous Autonomic Dysreflexia while being sexual. More here on TED
"high roller" does uncle ben's route

"high roller" does uncle ben’s route

Brad and Dave on the "Uncle Ben's" route. This roof section was chosen as a testing grounds for larger climbs in California. We were "lucky" to some get strong wind on this day. Instead of suffering in hot sun all day, we froze instead... but could get good understanding of...
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CKNW sunday night sex show

CKNW sunday night sex show

So this happened.. I was interviewed on a topic other than climbing and/or boosting on Maureen McGrath’s radio show. I couldn’t help but talk about boosting and autonomic dysreflexia, but they are in fact, very much related. I chopped out the segment I’m in, following tips for premature ejaculation, and posted in here. I think...
boosting in the london games

boosting in the london games

I was recently interviewed here in Vancouver about the boosting that will be going on in the coming paralympic games. No one actually participating in these events would ever discus performance boosting obviously, so Sky News in London found my blog and got in touch. They wanted to know how it works and “is this...
why you need grit

why you need grit

Jonah Lehrer: The Origins of Creative Insight & Why You Need Grit Do we sometimes pay too high a price for our dreams? Or worse, pick the wrong ones to follow? I remember having many conversations like this while making all the gear for rock climbing. It was NOT at all a practical goal (given...

squamish film fest

Ivan’s mountain film fest week is coming up. I was asked to do 20 slides with 20 seconds per slide on the July 11th show. Climbing Slides (20mb) or as pdf Science Slides (20mb) more at http://www.squamishmountainfestival.com/
performance boosting

performance boosting

Performance Boosting with Autonomic Dysreflexia This page will hold data and evaluation of “boosting” experiments that I’m doing in order to get my heart and blood pressure to respond appropriately while climbing.  See ramp wheeling tests to learn more about post exercise hypotension (EH) , and why this limits performance in most quadriplegics.  First some...
oculus circuit boards shipping

oculus circuit boards shipping

After well exceeding Colin’s kickstarter goal, circuit boards are getting turned out on mass. How would much you enjoy boot loading a 100 PCB’s in your garage?Colin says it’s zen like. I really prefer writing code, breaking things etc. Cool new 3d sensor for Oculus is available for developers. More information on the new page...
oculus on kick starter

oculus on kick starter

Now you pledge support (buy a robot or a shirt) to support Colin’s garage alliance of robot builders and coders. Kick Starter is a really cool way to crowd source funds and interest for your new project. Lots of clever devices you wouldn’t get with the current, odious venture capital game. The bot has also...

chair bot

good starting place blog example eth shield hack async labs wifi web sever
new battery and chair mount

new battery and chair mount

From drawing board to being ready to install in single day? Colin, same guy that is now selling wifi robots, salvaged an old power drill to go with the new Lithium-ion battery pack for my chair. More Ardiuno and IOIO protects are possible now that I have a power supply I can remove and charge...
oculus developer

oculus developer

New updates to open source projects this week. You can get from SVN Trunk. Basically this is a developer API to control the bot. You can send commands and get notifications about changes. This lets a 3rd party application hook in even without the web based GUI. So, you are free to write your own...
wheel from ICORD

wheel from ICORD

View 2011-09-16 14:11 in a larger map

red route one

Testing android GPS and wheeling around my block. Will use this course as the base line for testing openPAW.