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Jon Gritton
Works at Cobnut Web Services Ltd
Attended Bexley Grammar School
Lives in North Yorkshire, UK
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Jon Gritton

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A big thank you to James Blackburn from +GoPrint3D for his time this afternoon showing me printers and their capabilities.  If anyone needs any advice on 3D printing, I'd recommend you talk to these folks.
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Jon Gritton's profile photoJ. Clemens's profile photo
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Yes sir, I agree +Jon Gritton. I need to find a solid resource and become an expert for the Emerald Coast of Florida (North Florida). We need it here... then I could go save the college!  
 
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Jon Gritton

Work in Progress  - 
 
Cricket Scoreboard - Connecting the big numbers...

Some testing with the LED strips (thanks +Jason Kaler for the suggestion) has made me confident I can build the big numbers.  I already know I can build the controller so I'm in the process of ordering parts for that.  However, I'm now debating how to connect the controller to the big numbers...

There will be 8 separate "numbers" for the scoreboard, 5x 3 digit, 1x 2 digit and 2x 1 digit, but essentially I'll need 8 digital outputs, with power (5V, around 650mA max for a 3 digit display).  I want the big numbers to connect to the controller box via plugs and sockets, rather than being hard-wired, and I'm struggling to find the best option that has a panel mount for the socket.

Only 3 pins are required, but RJ45 seemed like a good idea until I found that panel sockets are stupid expensive (I'll need 16).  JST SMs are commonly used for these strips, but I can't seem to find a panel socket for that connector.  

One option might be to connect via XBee to a second Arduino that is dedicated to controlling the big numbers.  There's other attractions to this in that it would then allow the controller to be "wireless" (if combined with a decent battery pack) so we could sit outside, or simply make it nicer to move around in the score box.

Any other ideas?
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XBee's profile photoscott porter's profile photoJon Gritton's profile photo
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This page has a nice run-down of connecting and using the WS2812B strip with the FastLED library.  It really is dead simple:

http://www.tweaking4all.com/hardware/arduino/arduino-ws2812-led/
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Must be a real bonus in the rainy season...
 
Well, that's a keeper.
“Favorite headline of week. He pitches righty, lefty — and evidently, also underwater. Faces Aquaman in next outing.”
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Jon Gritton

THE ASHES!!  - 
 
Options for listening to TMS?

Hi all!  Looking forward to the Ashes, but even in the NZ game right now I'm missing my favourite treat - listening to TMS in the car.  My current stereo doesn't have LW, so 198 is out.  I could get one with LW (I think) but I'm not sure how reliable it will be in any case.  Apparently it's on MW from Newcastle (I live in North Yorks) but I've had no luck receiving it so far.  It's available online, of course, but that involves a phone and some worrying data usage.  

What do you do?
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Lionel Matsuya's profile photoJim Butcher's profile photo
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a work colleague piggy backed the exsisting car radio with a really old radio from his dads old ford cortina and stuck it into the glove compartment. ( ultimate cricket nut!! )
He is an electrician by trade so although it looked good and being an old radio does not take up much space I am pretty sure it needs an electrician or expert knowledge to do.
Me personally I keep a really old mini radio in boot and it sits nicely in the arm rest tray in my car when needed for tms
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Jon Gritton

Help & Support  - 
 
Large scoreboard

On Friday evening (after an unfair amount of lubrication) I was drafted in to score for my local cricket club.  Scoring cricket (using the hand-written scorebook) is something of an art in itself so I was particularly upset to find our ground is using a manual scoreboard from hell.  After commiseratory lubrication in the evening (we lost) I asked why we didn't have an electronic scoreboard to which the captain replied "They're really quite expensive" (I paraphrase, his exact words are unrepeatable).

So, foolishly, I suggested I could look into building one for them.  I mean, how hard can it be?  It's just some LED segment displays and some way to make them show the right numbers, right?  The image for the post is a typical scoreboard (although the "Overs" figure is obviously incorrect!).

Having looked into it (sober) I'm now finding problems, specifically...

a) Big LED digits.  Biggest I can find online is 7.5" which is barely big enough for a large ground, especially for the total score which should be the easiest to read.

b) I/O.  In this image there are 12 separate "numbers" (30 digits) but you'd also need a repeat of this as a smaller scale inside the box and buttons to increase/decrease/reset.  You could use a common increase/decrease/reset but you still need some way of selecting the score to change so that adds up to a lot of I/Os...

Has anyone attempted anything like this?  Anyone know a good supplier of large led digits, preferably with built in I2C control or somesuch?

Is it simply too big a project and easier to leave to the pros?
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+Aynkaran Ramachandiran That's right.  The easiest way to bridge to RS-485 is a USB dongle such as this one:
http://goo.gl/LzmNy4

That drives something which looks like this:
http://www.flipdots.com/control-units.html#.VWcy4s9VhBd
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Jon Gritton

Business/Marketing  - 
 
Author sites - what's your TLD?

If you have an author site, what TLD do you go with?  .com?  .co.uk?  .org?    How much does it matter?
37 votes  -  votes visible to Public
.com
70%
.co.uk (country specific company)
11%
.net
14%
.org
0%
.other
5%
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Look into the new crop of tlds.  If you haven't registered yourname.florist yet, your career prospects are toast.
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Discussion  - 
 
A beautiful evening up on Kirkby Moor, nr Kirkby Malzeard.  The "plinth" in front of my car is a mosaic of a Roman soldier, part of the Mosaic Trail:  http://www.dallowhallbarns.co.uk/mosaic.shtml
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Work in Progress  - 
 
Proof of concept - Cricket scorer (see https://goo.gl/XsHcPQ)

OK, so very limited functionality, but it does prove how simple the coding is.  Four different "scores": top left, batsman 1, top right, batsman 2, bottom left, # of overs, bottom right, total score (calculated at the moment from sum of bat 1 and bat 2).

Actually pretty fun to play just with this.  To be honest, if I were to box it up this alone would be an improvement on what we have now, although perhaps a little difficult to read from the other side of the pitch :)

Next steps:  Needs extra buttons for each score, at the moment there's just one that +1s each score so I need a -1 and a reset.  Needs 4 more displays: one for previous innings (3 digits), one for extras (3 digits - this score to be automatically added to total), one each of a single digit for batsman number.

I'll run out of room on this breadboard before that can happen so I need to think about either a bigger breadboard or just leap straight to building a box for inside the scorers position.  Will depend upon how I can get these scores replicated to bigger versions outside the box.
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+Timothy Hall the details are higher in the thread, with links and even a video.
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Rainbow over the Moors

Sony DSC-WX80, north of Pateley Bridge, North Yorks, 31st May 2015.  Chased this rainstorm on the way home.  Never quite caught it but had a full rainbow to look at most of the way...
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Final (I think) part to my guide on avoiding script timeouts...
If you've done absolutely all you can to speed up your scripts but they still time out now and again it may not matter. Depending upon what your script does, if it completes 90% or so of the required actions on a regular basis that may be enough but there's a couple of things you can do to make ...
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The second part of my brief guide to avoiding script timeouts...
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Have him in circles
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Work
Occupation
AdWords Consultant and Account Manager, general Internet marketing consultancy.
Skills
AdWords, General Marketing
Employment
  • Cobnut Web Services Ltd
    AdWords Manager, present
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
North Yorkshire, UK
Previously
London, UK - Brighton, UK - Westerham, UK - Kingston, UK - Wallingford, UK
Story
Tagline
Professional AdWords Manager and AdWords Top Contributor
Introduction
Google AdWords manager and general marketing consultant.

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We offer full Account Management services, Account audits, or one-off consultancy for Google AdWords accounts.  Take advantage of a properly tuned and managed account today, save money and get better results!

Bragging rights
Adwords Partner, Adwords Top Contributor, Google EN Community, author of "AdWords Preschool"
Education
  • Bexley Grammar School
    1976 - 1983
Basic Information
Gender
Male
Other names
Jack
Jon Gritton's +1's are the things they like, agree with, or want to recommend.
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A beautiful church in a charming village, All Saints is not only to be recommended for its lovely interior and windows, but also for the cross shaft and the interesting carving to the lych-gate. Across the road is an equally lovely cemetery, planted with all manner of flowers and other plants and allowed to grow naturally.
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