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An Instructable in New Scientist!

Instructables member XenonJohn has had his Self-Balancing Skateboard featured on New Scientist TV, using video taken at the UK Maker Faire. I had the pleasure of meeting John at the Faire, and I can safely say that this world needs more like him. Kudos, John.

Topic by Kiteman    |  last reply


Picture uploaded to title page keeps being removed after about 3 days

I have had an instructable up for about a year here: https://www.instructables.com/id/Easy-build-self-balancing-skateboardrobotsegway-/ The picture I upload and attach to the title page keeps working for about 3 days then is removed. Consequently my Instructable has no title page picture. I keep re attaching the image and it works OK for about 3 days then is automatically removed. It is my photograph, not taken from anyone elses website so not a copyright issue. What is the problem? I have just reattached the image again now but within 3 days it will have gone again. Best wishes Xenon John

Topic by XenonJohn    |  last reply


help with 3 wire Arduino keypad

Hello all , I have read the this post "Arduino 3 wire Matrix Keypad by XenonJohn" and try to do as he said but something doesn't work I have the same resistors ,and the same connections - but it doesn't work when I press 1 I get "3" when I press 5 I get "0" when I press 6 I get "5" when I press 8 I get "0" when I press 9 I get "4" when I press * I get "9" when I press 2,3,4,8,0,# I get nothing what could be the problem ? I have build the circuit 3 times now - and always get the same result - what am I missing ? Thanks  .  

Topic by david123456    |  last reply


How to measure length of an object approx 10cm long within +-1mm by non-contact method, e.g modded flatbed scanner?

Objects are slender and about 5-10cm long. If it helps they can always be mounted in same orientation by placing them in a long V shaped horizontal groove for example. I currently am using a laser beam mounted in moving carriage of a hacked inkjet printer. When beam is broken carriage stops and stepper motor steps are counted. However this method is ugly and slow. Something like a glass surface I can place the objects on (such as base of a hacked flatbed scanner) would be much better and wipe-clean. By lining object up in same direction each time, only one row of pixels would need to be read for example looking for a sudden change of contrast. Cannot find any way to easily intercept output of a scanner on the web however, especially a more manageable single pixel as it scans across the length of the scanner. Alternative might be photographic, for example camera mounted under the glass surface, or even a moving camera to eliminate parallax error. Any suggestions gratefully received no matter how crazy. Thanks in advance, John

Question by XenonJohn    |  last reply


(newsletter) Algae Bioreactor, Water Bottle Raft, Video Glasses...

Feb 5, 2009 Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; } window.open("/newsletter/newslettersignup?email=" + src.value,"newslettersignup1","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); } Welcome back! Making something sweet for your honey? Enter it in Valentine's Day: Sweet Treats Contest and win some fabulous gourmet chocolate-covered cocoa beans from Cocoa Puro, or a date with our own noahw!It's cold up here in the northern areas and we want to see your great ways to fight the chill in the Stay Warm Contest. Win a brand new sleeping bag!The Tap'dNY Keep the Bottle Contest has closed for entries and now it's time to vote! Head on over to the contest page and help choose who wins a Voltaic solar-powered backpack! Algae Bioreactor from Water Bottles by mfischer Magnetic Induction Bike Lights by nagutron Glasses Mounted Video Display by XenonJohn Build a Dome out of Paper (and Steel and Cement) by sklarm Win a date or gourmet chocolate covered cocoa beans! The Perfect Valentine's Gift! Fun with Bismuth by rachel Plastic Soda Bottle Prosthesis by CIRnetwork Nail-less, glue-less, almost screw-less bed by Tazo Five-cent Tilt Sensor by ix Make a Wall from Plastic Bottles by yotnomuk Gas Bottle Wood Burner by btop Build a Raft out of Water Bottles by Weissensteinburg Make Your Own Hotwire Cutter! by Creativeman Closes for entries this Sunday! Vote for your favorites! Friendly Folding Keychain by reconscious Remove Broken Light Bulbs with a Bottle by prabbit22m Solar Necklace T-Shirt by Plusea Extreme Surface Mount Soldering by doctek Now go make something awesome, and I'll see you next week! - Eric Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; } window.open("/newsletter/newslettersignup?email=" + src.value,"newslettersignup2","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); }

Topic by fungus amungus  


Instructables at the Maker Faire!

Here you go! We spent two days talking to hundreds, maybe thousands of people about the site. We were amazed at how many people had heard of us, and used it regularly, but never quite got round to joining. We were proud of the number of other Makers who were members of Instructables. We were pleasantly surprised by people presenting crafts they had learned from instructables, and were telling others about the site. We met the very nice people from Sugru.  We met the slightly manic folk from various Hackerspaces.  We met the dedicated folk from SciCast.  There were people knitting neurons, soldering badges, hacking the Kinect, battling robots, playing tennis on bicycles, controlling fire with sound, playing music with Tesla coils, building an electric Mini, chasing small children with wheelie bins, performing the thermite reaction in their bare hands, building a temporary home from "Sold" signs. Hannah wrote an Instructable. There were automata, robots, ancient computers, amazing materials, musicians, artists, crafters, and hackers. There was a giant cardboard spider, a self-balancing skateboard from this site, a water-cooled armchair, a fire-breathing dragon, 3d printers printing 3d printers, and hundreds and hundreds and hundreds of people all interested in Making Cool Stuff. Have a look at the photos - the image-notes are still buggy, so if there's one you don't understand, just ask. Oh, and the members we know we met were... Spartacus. Insomniac. XenonJohn (and his self-balancing skateboard!) Aidy22475. Sweavo. Oopstudios (I don't think I spelled that correctly) Spikeuk. Podling. JamJarcollective (I could have watched their ball-coasters all day...) Greensteam. We probably met more than that - if I missed you off the list, please let me know! The first of the videos...  

Topic by Kiteman    |  last reply