I've been to most of the previous Egham Raspberry Jams, so I know that it attracts a mix of people, ranging from those who have never used a Raspberry Pi before, to those that have used it extensively. With that in mind I was fully expecting to hear the question 'PiWars? What's PiWars' so, as well as taking along my robot, I went prepared with details about the PiWar's website, the list of challenges and print outs of some of the more complicated challenges that the visitors could read through.
|My stand! Complete with robot, skittles and line following sensor demo.|
|Lots of wires and the range sensor attached on the front.|
At the Jam the code worked as expected for about 10 minutes, after which the range sensor no longer seemed to respond and cause the motors to stop. So some investigation and fixes will need to be done later. The rest of the robot worked happily for the next hour or so... and then one of the wheels fell off... I blame the kid driving it at the time :)
|A three wheeled robot!|
The final props I brought along was a wooden skittle set. These spent the first half of the Jam up on the table, but later I moved them onto the floor and some of the kids tried knocking them over with my three wheeled robot. The best result was knocking over 2 pins (followed by a strike when they drove the robot into them) but most of the time the ball was rolling slowly enough it just stopped when it reached the pins. I know this would have been slowed down a bit by the carpet tiles and the ball should move faster across hardboard, but it definitely looks like I need a little extra something to get the ball moving. Of course it was shortly after this that another wheel fell off!
|Down to two wheels!|
This Jam was extra special as there was a Show and Tell competition taking place, with prizes graciously donated by various Raspberry Pi related companies for both an under 16 and over 16 category.
|The 16 and over prizes, with the list of donators.|
|Albert talking through the under 16 prizes.|
So it was another good Egham Raspberry Jam, which has hi-lighted a few issues with my robot that I can now work on improving, and hopefully I sent a few people away with a few more ideas on what to do with Raspberry Pis.