{"id":9459,"date":"2014-04-27T17:08:56","date_gmt":"2014-04-27T17:08:56","guid":{"rendered":"http:\/\/178.62.14.192\/?p=9459"},"modified":"2014-04-27T17:08:56","modified_gmt":"2014-04-27T17:08:56","slug":"seven-segments-of-pi-in-the-classroom-part-7","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=9459","title":{"rendered":"Seven Segments of Pi in the Classroom (part 7)"},"content":{"rendered":"

Another guest post from Nevil Hunt of Seven Segments of Pi.<\/em><\/p>\n

\"FromJamboreeToCamJam_Banner\"<\/a><\/p>\n

Part 7 –<\/strong> “NOOBS to the rescue! \u2026but Mr Hunt \u2013 I\u2019ve lost my SD Card!”<\/strong><\/p>\n

Last week I talked about the fun of soldering! This week I will describe some of the technical and practical challenges I faced running a Raspberry Pi Workshop in which pupils were encouraged to carry on writing their software at home. This Blog will be entitled\u2026<\/p>\n

\u201dNOOBS to the rescue! \u2026but Mr Hunt \u2013 I\u2019ve lost my SD Card!\u201d<\/strong><\/p>\n

The pupils now had their own \u201cSeven Segments of Pi\u201d board\u2026<\/p>\n

I was keen that as many pupils as possible bought their own Raspberry Pi so they could carry on programming at home. The lesson from the 1980\u2019s boom in computer programming in the UK was that whilst pupils may have been introduced<\/em> to programming in the classroom on a BBC Micro\u2026<\/p>\n

\"BBC_Micro\"<\/a><\/p>\n

 <\/p>\n

\u2026it was the pupils who had a BBC Micro, ZX-81 or ZX-Spectrum at home allowing them to carry on programming in their bedroom, who excelled! And this is how many of today\u2019s talented programmers in the UK developed their skills! The Raspberry Pi gives us the chance to repeat that success.<\/p>\n

I suggested the parents of my pupils buy a Raspberry Pi for their son\/daughter. Many parents were bamboozled by the Raspberry Pi! If you are not an enthusiast it\u2019s not clear what to buy! And what you need to buy depends on what you\u2019ve already got! Many households may already have a suitable Micro USB Power Supply, USB Keyboard, USB Mouse and\/or PC Speakers that could be used. But like the schools the main confusion was with the monitor! The parents who had heard of the Raspberry Pi assumed it would have to plug into an HDMI TV. Some thought they could plug it into the Composite Video input of an older style TV. (Not a good idea if you want to be able to read the text in your programs!) Most had no idea at all! I therefore wrote a \u201cWhat to Buy\u201d guide for the parents, explaining the options.<\/p>\n

(I will post an updated version of this \u201cWhat to Buy\u201d guide on my Web Site when I have an HDMI-to-VGA Adapter I can recommend!)<\/em><\/p>\n

They now needed their own SD Card!<\/p>\n

In the Workshops I used the Raspbian SD Card image downloaded from www.raspberrypi.org<\/a>. This was OK for the Workshops but needed different settings in the \u201cconfig.txt<\/strong>\u201d file to operate with different monitors. I wanted the pupils to be able to plug their SD Card into the school\u2019s Raspberry Pi\u2019s during the day then take it home and plug it into their own<\/em> Raspberry Pi at night. Changing the \u201cconfig.txt<\/strong>\u201d file each time would be a nightmare!<\/p>\n

My work colleague who was monitoring the www.raspberrypi.org<\/a> daily Blog mentioned to me something called \u201cNOOBS\u201d standing for \u201cNew Out Of the Box Software\u201d.<\/p>\n

\"noobs-raspberry-pi-software_1024x1024\"<\/a><\/p>\n

 <\/p>\n

The Raspberry Pi foundation had recognised this very problem and NOOBS was their solution! I downloaded the \u201cNOOBS\u201d image and tried it out. It worked with my DVI Monitor. It worked with my VGA Monitor. It also worked with my HDMI TV (although the text was a bit small!). But the main thing was that it worked with all three types of monitor without having to modify the \u201cconfig.txt<\/strong>\u201d file!<\/p>\n

NOOBS had come to my rescue!<\/strong><\/p>\n

I spent the weekend loading the Seven Segments of Pi files onto my NOOBS SD Card then copied it onto a couple of dozen blank SD Cards to give out to the pupils.<\/p>\n

But looking at the SD Cards, they were quite small! If I gave them out this week I wondered, would I return next week to hear\u2026<\/p>\n

\u201cMr Hunt \u2013 I\u2019ve lost my SD Card!\u201d<\/strong><\/p>\n

I envisioned them in pupil\u2019s pockets only to disappear when they took their handkerchief out to blow their nose! And that would be end not only of their SD Card, but of the software they had written too!<\/p>\n

I searched the internet for a solution! And found these SD Card Key Rings\u2026and small Climbing Clips\u2026<\/p>\n

\"SDCard_KeyRing\"<\/a><\/p>\n

 <\/p>\n

With an SD Card Key Ring** they could insert their SD Card in their Key Ring at the end of the lesson and use the Climbing Clip to attach it to their belt hooks.<\/p>\n

They worked! Over the remaining weeks until the end of term not one pupil lost their SD Card!<\/em><\/strong> There was one pupil however who didn\u2019t<\/em><\/strong> lose his SD Card, but did<\/em><\/strong> manage to lose his SD Card Key Ring!! There is only so much you can do!!!<\/p>\n

**The PiHut have just started stocking these SD Card Key Rings & Clips!<\/em><\/strong><\/p>\n

http:\/\/thepihut.com\/products\/sd-card-cases-with-carabiner<\/a><\/p>\n

Since running the workshops I\u2019ve added these \u2018extra features<\/em>\u2019 to the \u201cSSPi\u201d SD Card supplied with the kit to make it easier to use in the classroom:- <\/strong><\/p>\n

a)\u00a0\u00a0\u00a0\u00a0\u00a0 Custom SSPi NOOBs.<\/strong> The \u201cSSPi\u201d SD Card supplied with the kit is a Custom \u201cRaspbian+SSPi NOOBS\u201d image. This means it not only contains the usual NOOBS Raspbian Operating System and associated files, it also contains the Seven Segments of Pi files and the extra features below. But the advantage of it being a \u201cCustom<\/em><\/strong> NOOBS\u201d image is that once a pupil has completed the challenge the SD Card can be easily \u201creset\u201d ready for the next pupil by holding the \u201cshift\u201d key down as the Raspberry Pi boots and following the on-screen instructions. Warning – This will delete all the software written by the previous pupil!!!<\/em><\/strong><\/p>\n

b)\u00a0\u00a0\u00a0\u00a0\u00a0 Seven Segments of Pi Instructions Manual on \u201cSSPi\u201d SD Card. <\/strong>As well as being available to download from the Web Site, the PDF of the Instructions Manual is included on the SD Card so it is always readily available for reference. I recommend having printed instruction manuals available for the pupils and I plan to make printed manuals available as an optional extra when buying the kit.<\/em><\/strong><\/p>\n

c)\u00a0\u00a0\u00a0\u00a0\u00a0 Short Cuts on Desktop.<\/strong> A short cut to the Instruction Manual and IDLE (the Python Editor) are provided as icons in the centre of the home screen. The Raspberry Pi has two Python Editors, IDLE and IDLE3. The Seven Segments of Pi software is written for the IDLE editor and will give syntax errors if it is run using IDLE3. The desktop shortcut help ensure pupils run the correct editor.<\/p>\n

d)\u00a0\u00a0\u00a0\u00a0 Customised Web Browser.<\/strong> With a \u2018standard\u2019 NOOBS SD Card \u201cMidori\u201d (the Web Browser) comes configured when running the GUI using \u201cstartx<\/strong>\u201d but is not properly configured when running the GUI using \u201csudo startx<\/strong>\u201d. Since to drive the GPIO for the Seven Segments of Pi it must be run as \u201csudo startx<\/strong>\u201d I have configured \u201cMidori\u201d including shortcuts to useful Web Sites.<\/p>\n

e)\u00a0\u00a0\u00a0\u00a0\u00a0 Remote Login.<\/strong> Getting files on and off the Raspberry Pi can be difficult! It can be done with a USB Memory Stick as described on Page 31 of the Manual. A better way, also described on this page is to connect the Raspberry Pi to your network via an Ethernet Cable. The SSPi SD Card has Remote Login \u2018enabled\u2019 to allow the transfer of files between the Raspberry Pi and a Windows PC. This can be used for instance to load new sound effect files onto the Raspberry Pi or more importantly to allow the teacher to take back-up copies of the pupil\u2019s work at the end of each lesson! All SD Cards will have the same default network name \u201cRPi<\/strong>\u201d hence you will either need to ensure only one is plugged into the network at a time or you could modify the network name in the file \u201csmb.conf<\/strong>\u201d to be RPi1, RPi2, RPi3,<\/strong> etc.<\/p>\n

Next week I will describe the fun the pupils had writing the software for their version of the game. This Blog will be called\u2026<\/p>\n

\u201cCount to 10 and Figure Eight My Pi!\u201d<\/strong><\/p>\n

If you are interested in learning more about the Seven Segments of Pi visit my Web Site www.SevenSegmentsOfPi.com<\/a> or watch the \u201cSeven Segments of Pi\u201d YouTube Video<\/a>. You can also watch Carrie Anne Philbin playing \u201cFigure Eight My Pi\u201d<\/a> at the CamJam, courtesy of Alex at RasPi TV.<\/p>\n

\"NevilHuntPhoto_QuarterSize\"<\/p>\n

Nevil Hunt<\/p>\n

Innovations in Education<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Another guest post from Nevil Hunt of Seven Segments of Pi. Part 7 – “NOOBS to the rescue! \u2026but Mr Hunt \u2013 I\u2019ve lost my SD Card!” Last week I talked about the fun of soldering! This week I will…<\/p>\n

Read more →<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[20],"tags":[],"class_list":["post-9459","post","type-post","status-publish","format-standard","hentry","category-gpio-boards"],"yoast_head":"\nSeven Segments of Pi in the Classroom (part 7) - Raspberry Pi Pod<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=9459\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seven Segments of Pi in the Classroom (part 7) - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Another guest post from Nevil Hunt of Seven Segments of Pi. 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But respect the 300oC end! Last week I talked about how in the PiDice Workshop pupils learnt how to write Python to control:- -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 GPIO as Inputs -\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 GPIO as Outputs\u2026","rel":"","context":"In "Education"","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"FromJamboreeToCamJam_Banner","src":"\/blog\/wp-content\/uploads\/2014\/04\/FromJamboreeToCamJam_Banner1.jpg","width":350,"height":200},"classes":[]},{"id":9588,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=9588","url_meta":{"origin":9459,"position":1},"title":"Seven Segments of #RaspberryPi in the Classroom (part 9 – Final part!)","author":"Michael Horne","date":"9 May 2014","format":false,"excerpt":"This is the final part of the Seven Segments of Pi series we've been running over the past few weeks. A massive Thank You! to Nevil Hunt for taking the time to share his adventures! Part 9 - Have the Audacity to make your own sound effects! ... D'oh! There's\u2026","rel":"","context":"In "Education"","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"FromJamboreeToCamJam_Banner","src":"\/blog\/wp-content\/uploads\/2014\/04\/FromJamboreeToCamJam_Banner1.jpg","width":350,"height":200},"classes":[]},{"id":9526,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=9526","url_meta":{"origin":9459,"position":2},"title":"Seven Segments of Pi (Part 8)","author":"Michael Horne","date":"6 May 2014","format":false,"excerpt":"Part 8 - Count to 10 and Figure Eight My Pi! Last week I talked about the technical and practical challenges of running Raspberry Pi Workshops in schools. This week it\u2019s back to the fun of writing software! It\u2019s about how pupils were inspired to come up with their own\u2026","rel":"","context":"In "Education"","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"PiDice","src":"\/blog\/wp-content\/uploads\/2014\/04\/PiDice1.jpg","width":350,"height":200},"classes":[]},{"id":9236,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=9236","url_meta":{"origin":9459,"position":3},"title":"Seven Segments of Pi in the classroom (Part 5)","author":"Michael Horne","date":"7 April 2014","format":false,"excerpt":"Another guest post from Nevil Hunt, creator of the Seven Segments of Pi Last week I talked about some of the practical barriers to using the Raspberry Pi in the Classroom with many teachers believing they needed to upgrade their monitors to HDMI at the cost of \u00a3\u00a3\u00a3 not realising\u2026","rel":"","context":"In "Education"","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"FromJamboreeToCamJam_Banner","src":"\/blog\/wp-content\/uploads\/2014\/04\/FromJamboreeToCamJam_Banner1.jpg","width":350,"height":200},"classes":[]},{"id":8677,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=8677","url_meta":{"origin":9459,"position":4},"title":"Seven Segments of Pi – From Jamboree to CamJam (Part 3)","author":"Michael Horne","date":"12 March 2014","format":false,"excerpt":"After last week's\u2026 I have returned with more ideas for Raspberry Pi add-ons\u2026but they might have to wait until 2015! I am going to be busy this year getting \u201cThe PiTrol\u201d and \u201cPiDapter\u201d ready\u2026but I found some willing pupils who I met at the Jamboree keen to test-drive these kits!\u2026","rel":"","context":"In "GPIO boards"","block_context":{"text":"GPIO boards","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=20"},"img":{"alt_text":"FromJamboreeToCamJam_Banner","src":"\/blog\/wp-content\/uploads\/2014\/04\/FromJamboreeToCamJam_Banner1.jpg","width":350,"height":200},"classes":[]},{"id":8201,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=8201","url_meta":{"origin":9459,"position":5},"title":"Seven Segments of Pi – From Raspberry Jamboree to CamJam (Part 2)","author":"Michael Horne","date":"5 March 2014","format":false,"excerpt":"This week I was going to talk about VGA Adapters for the Raspberry Pi but about 10 days ago Mike emailed me to say \u201cAre you going to the Manchester Jamboree?\u201d I must admit at the time it wasn\u2019t on my radar! So I looked up the Web Site and\u2026","rel":"","context":"In "Education"","block_context":{"text":"Education","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=17"},"img":{"alt_text":"FromJamboreeToCamJam_Banner","src":"\/blog\/wp-content\/uploads\/2014\/04\/FromJamboreeToCamJam_Banner1.jpg","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9459"}],"version-history":[{"count":0,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/9459\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}