Wrap Up

Phew. Well. That was a stressful day !

So to cut a long story short, we suffered a change control induced issue which led us to forfeit most challenge, but in the end we finished 6th out of 9 in the pro category.

Results here :

The highlight must have been driving around the the multimeter taped to the back of it 😀  It did not really solve our problems, the pi kept rebooting.

We did do quite well at the shooting, 3rd place 😉  (non mobile users, rotate your screens now, some heathen filmed it vertically 😉 )

Our finale was Matt expertly navigating the obstacle course, who made second place 🙂

LOTS of improvements next year, some new team members, a whole new robot ? I hope to back blogging and helping on hardware and driving.

Signing off 2018.



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Even after some setbacks the team is not deterred and are back for another weekend spent working on the robot. The speedtest is at least working pretty well (the upstairs Makerspace floor could do with the same treatment as downstairs).


IMS Rover has been through a rebuild in the recent weeks. We have been previously testing in the “bird nest” configuration.

Through Matt’s hard work we now have the “cable managed” configuration, with the batteries underneath.

Better? Better.

The last few weekends the team has been trying to fine tune the maze, here is Mal trying to understand the sensor readout.

Get that man a hat !

The rebuild had not gone fully to plan. The wheels have not been running concentric. Matt turned some new hubs but first struggled with the new hubs rubbing on the chassis fixings, a quick lathe adjustment later and that problem was solved!

Spinny whirry thing makes metal bits.

The team is struggled for a while with the sensors being damaged and dusty. GRrrrrrr. Jon has been tinkering with the Maze code and playing with the acceleration, alignment, sensor settings, wall tolerances etc. and now finally the robot has at least got round the maze once!! Progress 🙂

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Minor setbacks

Another session working on the PiWars robot for 2019. Matt has been 3D printing a new case.

I must say its looking pretty good. The robot now officially has a new name the “IMS Rover”.

The team suffered only a minor set back. It was so soon after the robot got a new housing and a new name that a strange smell started to emanate from “IMS Rover”, maybe we should have called it “Sparky”.

After some sniffing Matt and Jon discovered the front LED ring was rather hot and melting the case. Unfortunately during the troubleshooting process the 12V from the battery pack got applied to the Pi and a small fire was seen. So long Pi. I was practically useless and was just taking photos of the aftermath for the blog and partially for my own amusement 🙂

The Pi is dead. Long live the Pi.


Never fear! Matt had a spare Pi ready to go and got to work getting it installed. The Pi is dead, long live the Pi.

Rescue process

It wasn’t long before the electrical gremlins returned, as IMS Rover started eating the Raspberry PI cameras. Fingers crossed it doesn’t return! Moving swiftly forward the IMS Rover has now been helpfully labelled so we know which way to set it off 🙂

It’s the front!

Firstly one has to mention the AMAZING makerspace floor in the new downstairs area, it is looking fantastic indeed. Many hours have been spent sanding and varnishing. Oh yeah and the team now sort of has a maze. It needs a little more work.

Maze – Kinda

Some chop sawing later and a new maze was ready, then came the fun of trying to get IMS Rover to navigate itself around the course.

OK, so not looking too hot just yet, some more work is required here X-D

Until next time… Ta ta.

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Motor Tests

Back from the Christmas break with a quick update, the team has not only been working hard expanding the Makerspace and drinking it’s Mead, but also working on Tractorbot 2019. Matt and Jon have been testing the motor controllers with the new wheels. In our latest video we show off the strafe capability.

The guts of Tractorbot 2019 is looking a bit like this at the minute. Somehow all those little white connector blocks fit 😀

Lastly here is sneak preview of design for Tractorbot 2019.

Hopefully in our next blog we will be building challenges and testing and showing you the finished Tractorbot body for 2019.

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PCBs arrived from, looking pretty good. OK so they are a bit wrong in places and not well labelled, but we got them quickly 🙂 Im sure it can be quickly adjusted if needs. These were 10 fro $10 including DHL shipping in 5 days! which I can hardly believe.

10 shiny PCBs! (v0.3)

They fit in the old robot chassis, and I am told motors are working!

v0.4 is in design phase to fix the positioning of the time of flight sensors, so they actually fit next to each other!

Meanwhile Matt has been lathing some wheel parts.

A somewhat artistic shot of the lath

That is all for now!

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Nerf Gun?

This weekends progress….

Mal had made a proposal to upgrade the Nerf gun for the Space Invaders Challenge! At a firing rate of about 6 per second, “The Judge” can output 30 shots into its enemy in well, not much time at all.

Too much or not?

More seriously though, v0.2 of the Connector Board is ready for review featuring : New layout, removal of unnecessary connectors, 2 more “time of flight” sensor connectors and a tidy up of the track routing.

Connector Board v0.2

Next job is to adjust the text on Front Silk to identify the i2c channels easily.

Matt has wired up the time of flight sensor boards.

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The team is making progress..

Inbetween procrastinating and discussing how to build a 22ft Stargate Christmas Tree, the team has actually been making some progress.

Mal has been prototyping some Pi HAT modifications from the last year design to accept a (physically) larger I2C expander, time of flight sensors and dedicated servo connectors.

We started with Matt’s sketch..

Matt’s sketch…

After some time in KiCad, Mal has come up with a v0.1, which will be subject to more modifications, so he is told!


2019 HAT v0.1

Matt has been playing with wheels and thinking about new motor controllers. These are Mecanum wheels and will allow our robot to gracefully strafe left and right.

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The Team

2019 – New team new challenges

Yes! Ipswich Makerspace is back again! This time with a tweaked team and a tweaked robot.

This years Pi Wars joins NASA in marking the 50th anniversary of the Apollo Program that landed American astronauts on the moon between July 1969 and December 1972.

The 2019 competitors will navigate “The Canyons of Mars”, autonomously visit the 4 coloured corners of the “Hubble Telescope Nebula Challenge” and Blast Off in a “Straight-ish” Line Speed Test among others.

Come and meet the 2019 team!

So who are the Ipswich Makerspace team – 2019?

Currently the team is made up by last years team Phil, Jon, Mal and Matt. This year Mal will be taking care of our blogging!


Jon started out with computers when a family friend gave him an old MS-DOS machine in the early nineties. From there a string of different types of hardware, including many home built machines, quickly showed that Jon was destined for a career in computing.

Starting with web site development using HTML and CSS Jon quickly progressed onto JavaScript, PHP and then Java. It was around this time that Jon began studying electronics at school and that sparked an interest in computer control and automation of real world objects.

In 2004 Jon started a course studying Computer science at the University of Southampton. This introduced him to a whole host of new technology included object oriented development, linux and c/c++.

In 2008 Jon moved to Ipswich and started a job at BT in Ipswich as a software engineer working at the one small part of BT that actually works on the phone network. Currently he works developing SIP soft switches for large corporate customers.

Despite his day to day focus on software Jon has continued his interest in hardware and electronics. Home automation is a particular focus of his spare time but also robotics, 3D printing and multi rotor aircraft.

Jon is the Ipswich Makerspace webmaster, has been involved in organising the first Ipswich Raspberry Jam and gives talks at several local tech gro...

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