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9th Egham Raspberry Jam

Albert Hickey

Sunday, 11 October 2015 from 14:00 to 17:00 (BST)

9th Egham Raspberry Jam

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Raspberry Jam at the Gartner UK HQ offices


This is the 9th Egham Raspberry Jam.  A fun and welcoming event for people interested in the Raspberry Pi computer and how to use it for fun and in education.  The event is a combination of show and tell and talks on using the Raspberry Pi.


Announcing first Egham Raspberry Jam Show and Tell and Competition

Categories:

  1. 16 and over
  2. Under 16


Projects will be  judged by attendees. Each attendee will have two voting cards. One for each category. If you wish to enter the competition then you have to pre-notify us of your project and entry.


Judging criteria to be finalised but will include.

  • Quality of display on the day
  • Handouts and write up of project on the day
  • Follow up on-line resources (source code, circuit diagrams, resources used,...)


First of the Prizes confirmed: Eben Upton signed Offical Raspberry Pi Case.

Eben Upton Signed Raspberry Pi Case

 

Second lot for the Prize Pool from Cynteh (http://shop.cyntech.co.uk/)

2 Deluxe Snap Rovers.  Ideals for starting robot building with and looking at them with a Raspberry Pi could be a great platform for more complicated projects.

Cyntech donated Deluxe Snap Rover


Third lot for Prize Pool from Pimoroni (http://shop.pimoroni.com/)

Kit of parts for Adventures in Raspberry Pi, Adventures in Minecraft and Explorer Hat Pro and kit of parts as well as a whole bunch of sticker.


Pimoroni donated prizes


Forth lot of Prizes from PiTrol

A great kit you use to build your own game controller that plugs directly into the GPIO connector. It comes with code for a Snake game that is fully documented giving you the ability to do soldering and to learn about creating your own games using Python and Pygame.


PiTrol Kit


PiTrol Kit built



Fifth Lot of Prizes from RasP.IO

 

One fo the most fun things to do with the Raspberry Pi is to attach other electronics to it and have the Raspberry either control it or read information from it and then do something.  This is all possible due to the GPIO pins.  A regular problem is know which pin is which as you're plugging in the wires.

Simon Monk made a great paper based label for the original Raspberry Pi which I suspect inspires Alex Eames of RasP.IO to create a more robust solution on the port label.  The port label slips over the GPIO pins and lets you clearly see which pins are which making it a lot easier to wire up the Raspberry Pi.  The Prizes include port labels for the original 26 pin and the newer 40 pin GPIO connectors.

 

Alex has also provided the RasP.IO Breakout that does a similiar job in labelling the ports and then also gives the ability to use male/male jumper wires.  For those of us who have used Arduino or other small boards the male/male wires are very common. The Brekaout is for the 26 pin GPIO connector.

These kits are great as they make it a lot easier to wire up the Raspberry Pi correctly.

Also, Alex has a fantastic Blog/YouTube channel about the Raspberry Pi called raspi.tv

 

RasP.IO ports and breakout

 

In addition Alex recently ran a Kickstarter for the GPIO Ruler. A great ruler that does the same job as the GPIO Label but also includes some useful RPI.GPIO Python commands as a great prompt for those working in Python.  It also doubles up as a normal ruler as well with inches and centimetres.

I supported the Kickstarter and will be including a GPIO ruler in each prize as well.

 

GPIO Ruler

  

Sixth Lot of Prizes from 4tronix.

4tronix prizes

 

Each Prize includes:

The PlayHat includes a 3x3 full colour neopixel LED matrix, 4 big buttons and a buzzer.
Great for programming with the Raspberry Pi. This is just begging out for a game of Simon to be created. 


PiRoCon and iBoost64 This board is great. Te PiRoCon  plugs right on top of the Raspberry Pi and gives you all the additional electronics needs to drive motors.
Motors are fun things. When they start they draw a lot of  power (think of train pulling out of the station. It needs far more power to get going then it does to keep itself moving.  Same thing for motors).  This mean if you want to drive motors you need extra circuitry to do it safely without damaging your Raspberry Pi.  The PiRoCon is one of the best solutions for this for the Raspberry Pi.

In addition to motors drawing a lot of power when they start and stop they can also affect the voltage and current of electronics drawing from the same power supply.  This can cause difficulties in getting good readings or accurate control.  This is where the iBoost64 comes in.  It cleans up the signals and makes them good without affecting the rest of the circuit.  Ideal for robots where there can be a lot of stopping and starting of motors as well as reading of external sensors for line following or object avoidance.

With the combination of the PiRoCon and iBoost64 you have the electronics to get that robot built.
If working in Scratch the current ScratchGPIO library from Simon Walters supports the PiRoCon.

If you have robots you will need power.  The final 2 boards are a 1 way and 4 way charger board for Li-Po batteries.  These are great batteries for robotic as they store lots of energy and give out a consistent voltage.  Cheap batteries have a power curve that means they very quickly drop from the maximum voltage which can cause lots of problems with motors.  Li-Po batteries are the ones used in high quality remote control cars.
Unfortunately you can't just plug a Li-Po battery into your normal battery charger due to the way they work so custom chargers are usually provided or need to be purchased with the battery.  These great little boards mean you can use a standard 5V microUSB power supply to charge the batteries.  This is the same type of power supply used for the Raspberry Pi, meaning if you are building a Raspberry Pi based robot you will already have the correct power supply.
There are 2 different boards included.  A 1 way, so it can charge 1 battery and a 4 way which can change 4 batteries at the same time.  Giving you more than enough power for your laser guided, GPS tracking, missile shooting, web cam streaming, grabber, digger, flame thrower robot. Or maybe just a line following robot.

 

At this point the winners of the two categories will be getting a great prize already and I'm holding out hoping some more prizes for what is becoming the mega prize pool will come arrive.


Some of the previous projects shown for inpsiration:

  • Model Railway controlled by Raspberry Pi using RISCOS
  • Controlling home automation system from Raspberry Pi
  • Retrogaming
  • Robotic Arms
  • Remote control vehicles with webcams
  • Musical Octopus
  • Scratch controlled Scalextrix
  • Mind controlled Flappy Brain (Bird) game
 

At the 8th Jam we had @CatLamin talk about her experience as an primary maths and computing teacher, a Certified Raspberry Pi Educator and runs Coding Evenings for teachers in pubs. If you are teacher then definitely check out Coding Evening.

Watch this space for the talks on the 11th.
If you would like to give a talk or discuss a topic just contact me using the button on the right.  

Come see and learn about robotics, programming, electronics, development, creativity.

 Details for a previous Egham Raspberry Jam 


Pre registration required (it's free) so we know numbers.

Ages 8 and over only. (sorry)

Under 16s need to be accompanied by a parent or guardian.

Other Information if bringing a project to show

Soldering is not permitted on site.

There will be no internet access but a wireless router will be setup to allow connecting to local devices.

If you need Internet access then you will have to either tether to a phone or use a mifi type device.  

If bringing a project to show please bring a power extension lead as the sockets are in funny places.

Do you have questions about 9th Egham Raspberry Jam? Contact Albert Hickey
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When & Where


Gartner EMEA HQ
The Glanty
TW20 9AW Egham
United Kingdom

Sunday, 11 October 2015 from 14:00 to 17:00 (BST)


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