Instructables: exploring - technology - leds - circuit http://www.instructables.com Thu, 31 Jul 2014 05:39:15 PDT BLOX v1.01 Building a Joule Thief http://www.instructables.com/id/Building-a-Joule-Thief/
Building a Joule Thief - More DIY How To Projects]]> http://cdn.instructables.com/FYB/AW4E/HXY0HNBZ/FYBAW4EHXY0HNBZ.SQUARE2.jpg http://cdn.instructables.com/FYB/AW4E/HXY0HNBZ/FYBAW4EHXY0HNBZ.SQUARE.jpg http://cdn.instructables.com/FYB/AW4E/HXY0HNBZ/FYBAW4EHXY0HNBZ.SMALL.jpg ElectroDanno Introduction The Joule Thief is a simple circuit that takes a low voltage source and, through induction, turns it into a higher voltage. Voltage inputs can be as low as a considered “dead” AA battery. The circuit works by rapidly switching the transistor causing the current in the coil of wire to s...
By: ElectroDanno

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Tue, 22 Jul 2014 20:11:36 PDT
How to make a Simple Table light http://www.instructables.com/id/How-to-make-a-Simple-Table-light/
How to make a Simple Table light - More DIY How To Projects]]> http://cdn.instructables.com/FHY/5NSJ/HUX9YZTY/FHY5NSJHUX9YZTY.SQUARE2.jpg http://cdn.instructables.com/FHY/5NSJ/HUX9YZTY/FHY5NSJHUX9YZTY.SQUARE.jpg http://cdn.instructables.com/FHY/5NSJ/HUX9YZTY/FHY5NSJHUX9YZTY.SMALL.jpg MYawar The room that I study in recieves the precious heart warming Golden bright shining rays from the sun but when it's past 11 I feel that it's 7 in the evening and this fills me with Drowsiness, I Try to remove the hands of dark from my study room by switching on three 22 watt CFL's which seem like fir...
By: MYawar

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Thu, 8 May 2014 00:09:55 PDT
RGB LED Fader BTA3O Class Project http://www.instructables.com/id/RGB-LED-Fader-BTA3O-Class-Project/
RGB LED Fader BTA3O Class Project - More DIY How To Projects]]> http://cdn.instructables.com/F1N/OO9B/HMKLN5L9/F1NOO9BHMKLN5L9.SQUARE2.jpg http://cdn.instructables.com/F1N/OO9B/HMKLN5L9/F1NOO9BHMKLN5L9.SQUARE.jpg http://cdn.instructables.com/F1N/OO9B/HMKLN5L9/F1NOO9BHMKLN5L9.SMALL.jpg fournierm The reason why our class had stopped doing the traditional Information Technology Applications course is because we had found that the content was outdated and boring. We just could not stay involved. We had found that doing real world work was a more interesting and fun. Also we could be more hands...
By: fournierm

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Mon, 28 Apr 2014 17:27:05 PDT
Easy LED Color Changing "Candle" http://www.instructables.com/id/Easy-LED-Color-Changing-Light/
Easy LED Color Changing "Candle" - More DIY How To Projects]]> http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SQUARE2.jpg http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SQUARE.jpg http://cdn.instructables.com/FYL/MJZ5/HP71H2BW/FYLMJZ5HP71H2BW.SMALL.jpg Cats Science Club This is a simple color changing light that is great for kids and adults. Looks beautiful in a dimly lit room, great for the holidays, and makes a pretty cool night light. Materials Glue Gun - We are using a low temperature glue gun. It hurts when the glue touches your skin but it does not burn y...
By: Cats Science Club

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Sat, 14 Dec 2013 08:41:26 PST
Poinsettia Circuit Puppet http://www.instructables.com/id/Poinsettia-Circuit-Puppet/ http://cdn.instructables.com/F02/T4EP/HO236N2Z/F02T4EPHO236N2Z.SQUARE2.jpg http://cdn.instructables.com/F02/T4EP/HO236N2Z/F02T4EPHO236N2Z.SQUARE.jpg http://cdn.instructables.com/F02/T4EP/HO236N2Z/F02T4EPHO236N2Z.SMALL.jpg steamingitattheMeninoCommunityCenter Creating a Circuit Puppet is a fun way to learn about circuits, elasticity, and a material’s strengths and weaknesses. Check out my PDF with all the instructions. Please let me know if you have any questions, comments or feedback. Donna Menino Community Center Boston MA
By: steamingitattheMeninoCommunityCenter

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Mon, 18 Nov 2013 15:47:09 PST
Simple LED circuit http://www.instructables.com/id/Simple-LED-circuit/ http://cdn.instructables.com/F6T/ZRHP/HMVJOZV5/F6TZRHPHMVJOZV5.SQUARE2.jpg http://cdn.instructables.com/F6T/ZRHP/HMVJOZV5/F6TZRHPHMVJOZV5.SQUARE.jpg http://cdn.instructables.com/F6T/ZRHP/HMVJOZV5/F6TZRHPHMVJOZV5.SMALL.jpg aussie_bogan1 1.You will need one 5 mm diffused LED (any color), a 470 ohm resistor (yellow, violet, brown), a 9V battery snap/clip, and a 9V battery.  2. Connect the long wire on the LED to any end of the resistor.  3. Connect the black (negative) wire on the battery snap to the other end of the LED. 4. Conne...
By: aussie_bogan1

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Sat, 19 Oct 2013 21:27:15 PDT
Blown Fuse Indicator Circuit with Led http://www.instructables.com/id/Blown-Fuse-Indicator-Circuit-with-Led/ http://cdn.instructables.com/FD1/OIVA/HLZRINXJ/FD1OIVAHLZRINXJ.SQUARE2.jpg http://cdn.instructables.com/FD1/OIVA/HLZRINXJ/FD1OIVAHLZRINXJ.SQUARE.jpg http://cdn.instructables.com/FD1/OIVA/HLZRINXJ/FD1OIVAHLZRINXJ.SMALL.jpg victordas This is a Blown Fuse Indicator Circuit With LED, its very useful when you need to know a fuse has been blown. Its very simple and as well as very cheap like my all other projects. It can be used in multiple places like home/car/bike just put it where you need to monitor a fuse condition. Whenever a ...
By: victordas

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Sat, 28 Sep 2013 12:50:54 PDT
Dark Activated Film Canister Night Light http://www.instructables.com/id/Dark-Activated-Film-Canister-Night-Light/
Dark Activated Film Canister Night Light - More DIY How To Projects]]> http://cdn.instructables.com/FDL/3G1V/HLSH5IF7/FDL3G1VHLSH5IF7.SQUARE2.jpg http://cdn.instructables.com/FDL/3G1V/HLSH5IF7/FDL3G1VHLSH5IF7.SQUARE.jpg http://cdn.instructables.com/FDL/3G1V/HLSH5IF7/FDL3G1VHLSH5IF7.SMALL.jpg Cats Science Club A light that turns on in the dark! Not as hard as it looks. We are beginners and if we could do it you could too. We liked the mini-mood lighting and the flashlights we made but wanted to try something else. Cool Cat has several film canister flashlights in his room and a mini mood light but he for...
By: Cats Science Club

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Mon, 23 Sep 2013 04:29:03 PDT
Mood Lighting http://www.instructables.com/id/Atmosphere-Light/
Mood Lighting - More DIY How To Projects]]> http://cdn.instructables.com/FAU/6GCZ/HKVLC5RS/FAU6GCZHKVLC5RS.SQUARE2.jpg http://cdn.instructables.com/FAU/6GCZ/HKVLC5RS/FAU6GCZHKVLC5RS.SQUARE.jpg http://cdn.instructables.com/FAU/6GCZ/HKVLC5RS/FAU6GCZHKVLC5RS.SMALL.jpg Cats Science Club This is a great night light or just to have for atmosphere. We took our instructable http://www.instructables.com/id/Film-Canister-Flashlight/ and modified it a bit. Skip to step 7 to see the changes. Don't forget to check out the supply list though. Materials LED Holder LED (Color) Fender Wash...
By: Cats Science Club

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Wed, 28 Aug 2013 17:36:05 PDT
Film Canister Flashlight http://www.instructables.com/id/Film-Canister-Flashlight/
Film Canister Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/FIR/JBFS/HKM946N3/FIRJBFSHKM946N3.SQUARE2.jpg http://cdn.instructables.com/FIR/JBFS/HKM946N3/FIRJBFSHKM946N3.SQUARE.jpg http://cdn.instructables.com/FIR/JBFS/HKM946N3/FIRJBFSHKM946N3.SMALL.jpg Cats Science Club This film canister flashlight was more fun to build then an Altoids flashlight and feels so much more comfortable in our hands. Don't get us wrong, the Altoids tins are great. We just love the handiness of this little guy and no metal shavings when you drill into it!. We had it out by the pool as a ...
By: Cats Science Club

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Thu, 22 Aug 2013 18:09:19 PDT
Paper Circuit http://www.instructables.com/id/Paper-Circuit-1/
Paper Circuit - More DIY How To Projects]]> http://cdn.instructables.com/FAG/OIMR/HJKC2B2Y/FAGOIMRHJKC2B2Y.SQUARE2.jpg http://cdn.instructables.com/FAG/OIMR/HJKC2B2Y/FAGOIMRHJKC2B2Y.SQUARE.jpg http://cdn.instructables.com/FAG/OIMR/HJKC2B2Y/FAGOIMRHJKC2B2Y.SMALL.jpg RobotRocketman  I will teach you how to make a simple paper circuit. Supplies Supplies: Paper Graphite pencil 9volt battery gator clips L.E.D. the circuit now use the graphite pencil and create a maze kike the one shown(make sure the lines are consisted of multipal layers.) the light At the end of the c...
By: RobotRocketman

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Wed, 31 Jul 2013 12:06:16 PDT
Solar Powered Heart Blinky LED Pendant Jewelry http://www.instructables.com/id/Solar-Powered-Heart-Blinky-LED-Pendant-Jewelry/
Solar Powered Heart Blinky LED Pendant Jewelry - More DIY How To Projects]]> http://cdn.instructables.com/FH0/DMGJ/HGH72JPP/FH0DMGJHGH72JPP.SQUARE2.jpg http://cdn.instructables.com/FH0/DMGJ/HGH72JPP/FH0DMGJHGH72JPP.SQUARE.jpg http://cdn.instructables.com/FH0/DMGJ/HGH72JPP/FH0DMGJHGH72JPP.SMALL.jpg lumenjewelry This instructable is for solar powered heart with a pulsing red LED.  It measures about 2" by 1.25", including the USB tab.  It has one hole through the top of the board, making hanging easy.  Wear it as a necklace, earrings, bond on a pin, or hang it in a window.  The possibilities are up to you, a...
By: lumenjewelry

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Thu, 16 May 2013 19:52:18 PDT
Fading led http://www.instructables.com/id/Fading-led/ http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SQUARE2.jpg http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SQUARE.jpg http://cdn.instructables.com/F8C/1YEE/HGH6S5EL/F8C1YEEHGH6S5EL.SMALL.jpg tealk Fading led, circuit its one of the simplest projects using 555 timer and bc547 transistor it only took me about 5 minutes to complete this, actualy whole this instructions and making of circuit last longer than making of circuit so the parts list is : 555 timer                                      ...
By: tealk

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Wed, 15 May 2013 13:21:13 PDT
2 leds flasher http://www.instructables.com/id/2-leds-flasher/ http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SQUARE2.jpg http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SQUARE.jpg http://cdn.instructables.com/FJ6/EEPM/HGHC8FD3/FJ6EEPMHGHC8FD3.SMALL.jpg tealk 2 LED flasher, also one of easy projects in electronics using only 555 timer ,33k resistor, 2x 330 resistor and 10uF capacitor, you can make 2 led  that flash one after another.
By: tealk

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Wed, 15 May 2013 13:21:13 PDT
Solar powered Blinky LED Jewelry http://www.instructables.com/id/Solar-powered-Blinky-LED-Jewelry/
Solar powered Blinky LED Jewelry - More DIY How To Projects]]> http://cdn.instructables.com/F6A/8Y9B/HH2VMUBL/F6A8Y9BHH2VMUBL.SQUARE2.jpg http://cdn.instructables.com/F6A/8Y9B/HH2VMUBL/F6A8Y9BHH2VMUBL.SQUARE.jpg http://cdn.instructables.com/F6A/8Y9B/HH2VMUBL/F6A8Y9BHH2VMUBL.SMALL.jpg lumenjewelry This instructable is for solar powered LED blinky awesomeness. It is a kit version of our popular blinky red square.  It measures about 1.25" by 1.25", not counting the USB tab.  It has a few holes through the board, making hanging easy.  Wear it as a necklace, earrings, bond on a pin, or hang it in...
By: lumenjewelry

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Sun, 12 May 2013 14:55:12 PDT
TW the RGBLT LED Puppet http://www.instructables.com/id/TW-the-RGBLT-LED-Puppet/
TW the RGBLT LED Puppet - More DIY How To Projects]]> http://cdn.instructables.com/FP9/LJMJ/HGH6JBJK/FP9LJMJHGH6JBJK.SQUARE2.jpg http://cdn.instructables.com/FP9/LJMJ/HGH6JBJK/FP9LJMJHGH6JBJK.SQUARE.jpg http://cdn.instructables.com/FP9/LJMJ/HGH6JBJK/FP9LJMJHGH6JBJK.SMALL.jpg caitlinsdad Tinky Winky is really an RGB LED on the rainbow spectrum but is proud to be lit up in purple. No question that TW is unique. TW is sometimes seen carrying  around a Ruby the Red LED plushie companion. TW is on the talk circuit lecturing about electronics and can elaborate on resistors and tolerance....
By: caitlinsdad

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Sat, 11 May 2013 09:42:02 PDT
Simple Circuit Quiet Book http://www.instructables.com/id/Simple-Circuit-Quiet-Book/
Simple Circuit Quiet Book - More DIY How To Projects]]> http://cdn.instructables.com/FB0/QM5C/HFPTIP2M/FB0QM5CHFPTIP2M.SQUARE2.jpg http://cdn.instructables.com/FB0/QM5C/HFPTIP2M/FB0QM5CHFPTIP2M.SQUARE.jpg http://cdn.instructables.com/FB0/QM5C/HFPTIP2M/FB0QM5CHFPTIP2M.SMALL.jpg courttool INTRODUCTION IN THIS LESSON, WE WILL BUILD SIMPLE CIRCUITS WITH “SWITCHES”. WE WILL SEW SIMPLE CIRCUITS INTO A QUIET BOOK USING THE PATTERNS ALREADY SEWN INTO THE BOOK. Materials/Tools Materials: • Quiet Book (Desert Book, WalMart, Toys R US, a nice neighbor) • Battery Holders PRICE $4.95 for 1 ...
By: courttool

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Mon, 29 Apr 2013 21:47:06 PDT
LED Music Cube 3x3x3 http://www.instructables.com/id/LED-Music-Cube-3x3x3/ http://cdn.instructables.com/FGA/CK08/HLPS532F/FGACK08HLPS532F.SQUARE2.jpg http://cdn.instructables.com/FGA/CK08/HLPS532F/FGACK08HLPS532F.SQUARE.jpg http://cdn.instructables.com/FGA/CK08/HLPS532F/FGACK08HLPS532F.SMALL.jpg gm93d LED Music Cube 3x3x3
By: gm93d

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Fri, 8 Feb 2013 05:37:44 PST
LED music 2.0 http://www.instructables.com/id/LED-music-20/ http://cdn.instructables.com/FYU/Y599/HCV91L43/FYUY599HCV91L43.SQUARE2.jpg http://cdn.instructables.com/FYU/Y599/HCV91L43/FYUY599HCV91L43.SQUARE.jpg http://cdn.instructables.com/FYU/Y599/HCV91L43/FYUY599HCV91L43.SMALL.jpg gm93d LED music 2.0
By: gm93d

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Fri, 8 Feb 2013 05:32:34 PST
Arduino controlled LED light tube message board http://www.instructables.com/id/Arduino-controlled-LED-light-tube-message-board/
Arduino controlled LED light tube message board - More DIY How To Projects]]> http://cdn.instructables.com/FMQ/7HFG/HAQ39WHK/FMQ7HFGHAQ39WHK.SQUARE2.jpg http://cdn.instructables.com/FMQ/7HFG/HAQ39WHK/FMQ7HFGHAQ39WHK.SQUARE.jpg http://cdn.instructables.com/FMQ/7HFG/HAQ39WHK/FMQ7HFGHAQ39WHK.SMALL.jpg the mechanical engineer I first began this project about a month ago, when I decided to do something special and unique for my girlfriend for Christmas. I didn't want this to be something that would break the bank (~$50)  and be easy to construct using a very limited space (my college dorm room) and a few simple tools. In ...
By: the mechanical engineer

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Mon, 14 Jan 2013 16:46:07 PST
Make an Altoids Flashlight http://www.instructables.com/id/Make-an-Altoids-Flashlight/
Make an Altoids Flashlight - More DIY How To Projects]]> http://cdn.instructables.com/F2Y/JJ3G/H4AGKB71/F2YJJ3GH4AGKB71.SQUARE2.jpg http://cdn.instructables.com/F2Y/JJ3G/H4AGKB71/F2YJJ3GH4AGKB71.SQUARE.jpg http://cdn.instructables.com/F2Y/JJ3G/H4AGKB71/F2YJJ3GH4AGKB71.SMALL.jpg JoshuaZimmerman It seems as if making an Altoids flashlight is a right of passage for newbie electronics enthusiasts. It was the first project I ever did, and I continue to use it as a "my first soldering project" with the students in my middle school science classroom. It's a low cost, low risk project that help...
By: JoshuaZimmerman

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Fri, 13 Jul 2012 13:18:06 PDT
Sleek On/Off Indicator http://www.instructables.com/id/Sleek-OnOff-Indicator/ http://cdn.instructables.com/F0A/1UBH/H2WEST4E/F0A1UBHH2WEST4E.SQUARE2.jpg http://cdn.instructables.com/F0A/1UBH/H2WEST4E/F0A1UBHH2WEST4E.SQUARE.jpg http://cdn.instructables.com/F0A/1UBH/H2WEST4E/F0A1UBHH2WEST4E.SMALL.jpg Nickson Yap The Results: The photos above shows the dis-assembly of the LED diffuser (the rectangular white light) I will upload a video of the dis-assembly soon. This is just a simple and nice on/off indicator. Basically it's just light shining through a mirror imaged word "ON" that is behind...
By: Nickson Yap

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Sat, 2 Jun 2012 16:23:28 PDT
L.E.D Big Dipper http://www.instructables.com/id/LED-Big-Dipper/
L.E.D Big Dipper - More DIY How To Projects]]> http://cdn.instructables.com/F9B/RA86/H1LWPZC8/F9BRA86H1LWPZC8.SQUARE2.jpg http://cdn.instructables.com/F9B/RA86/H1LWPZC8/F9BRA86H1LWPZC8.SQUARE.jpg http://cdn.instructables.com/F9B/RA86/H1LWPZC8/F9BRA86H1LWPZC8.SMALL.jpg 86 The L.E.D. Big Dipper was designed as an introduction to electric circuits. This circuit includes a resistor, L.E.D. and switch.  It demonstrates breaking a circuit and resistance.  It provides practice with wiring circuits because there are about  20 connections. This creates an electric, artistic ...
By: 86

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Sat, 5 May 2012 18:50:40 PDT
LED Holiday Tie http://www.instructables.com/id/LED-Holiday-Tie/
LED Holiday Tie - More DIY How To Projects]]> http://cdn.instructables.com/F2J/P4RI/GWG7O7GX/F2JP4RIGWG7O7GX.SQUARE2.jpg http://cdn.instructables.com/F2J/P4RI/GWG7O7GX/F2JP4RIGWG7O7GX.SQUARE.jpg http://cdn.instructables.com/F2J/P4RI/GWG7O7GX/F2JP4RIGWG7O7GX.SMALL.jpg Carleyy Make an LED holiday tie for that special man in your life this Christmas.  It is easy to create fun light patterns using Aniomagic's Sparkle Board even if you don't have any previous knowledge of circuitry or programming.  This is a great project to do with your kids to teach them a bit about electr...
By: Carleyy

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Wed, 21 Dec 2011 15:03:33 PST
How to make a blinking LED with a 555 timer IC http://www.instructables.com/id/How-to-make-a-blinking-LED-with-a-555-timer-IC/
How to make a blinking LED with a 555 timer IC - More DIY How To Projects]]> http://cdn.instructables.com/FNA/J0YL/GQ5QC0UP/FNAJ0YLGQ5QC0UP.SQUARE2.jpg http://cdn.instructables.com/FNA/J0YL/GQ5QC0UP/FNAJ0YLGQ5QC0UP.SQUARE.jpg http://cdn.instructables.com/FNA/J0YL/GQ5QC0UP/FNAJ0YLGQ5QC0UP.SMALL.jpg Weldeon This Instructable will show you how to make a blinking LED with a 555 timer IC on a breadboard, view the attached video to see it in action. http://www.youtube.com/watch?v=zJEputJvni0 Materials You will need: 1 Breadboard 1 9V battery 1 9V battery connector 1 LED 1 Capacitor, I am using a 47μF,...
By: Weldeon

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Sat, 16 Jul 2011 12:23:28 PDT
Simple LED Circuit on the Cheap http://www.instructables.com/id/Simple-Light-Circuits-on-the-Cheap/
Simple LED Circuit on the Cheap - More DIY How To Projects]]> http://cdn.instructables.com/FG6/RSU1/GOW49HBO/FG6RSU1GOW49HBO.SQUARE2.jpg http://cdn.instructables.com/FG6/RSU1/GOW49HBO/FG6RSU1GOW49HBO.SQUARE.jpg http://cdn.instructables.com/FG6/RSU1/GOW49HBO/FG6RSU1GOW49HBO.SMALL.jpg JimMcKeeth A short overview video: I needed to make 15 simple circuits with a light, battery and switch that could be easily assembled and disassembled multiple times for a Cub Scout camp activity. The light need to be bright enough to be visible in direct sunlight (working outside). And ...
By: JimMcKeeth

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Mon, 20 Jun 2011 00:09:20 PDT
Super Simple Automated LED Wardrobe Lights. http://www.instructables.com/id/Super-Simple-Automated-LED-Wardrobe-Lights/
Super Simple Automated LED Wardrobe Lights. - More DIY How To Projects]]> http://cdn.instructables.com/FJR/VEHV/GOTSYR0J/FJRVEHVGOTSYR0J.SQUARE2.jpg http://cdn.instructables.com/FJR/VEHV/GOTSYR0J/FJRVEHVGOTSYR0J.SQUARE.jpg http://cdn.instructables.com/FJR/VEHV/GOTSYR0J/FJRVEHVGOTSYR0J.SMALL.jpg Jayvis Vineet Gonsalves My wardrobe is like a deep dark abyss whether at day or at night. I had to hunt for my clothes using a torch. I had to find a solution to this problem which I feel might be faced by many others too...... So I came up with the idea of making an Automated LED Wardrobe Light that would save me the inc...
By: Jayvis Vineet Gonsalves

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Mon, 13 Jun 2011 12:07:10 PDT
Arduino UV LED PCB Exposure Box http://www.instructables.com/id/UV-LED-PCB-Exposure-Box/ http://cdn.instructables.com/F1H/Q5RT/GO6VAHFL/F1HQ5RTGO6VAHFL.SQUARE2.jpg http://cdn.instructables.com/F1H/Q5RT/GO6VAHFL/F1HQ5RTGO6VAHFL.SQUARE.jpg http://cdn.instructables.com/F1H/Q5RT/GO6VAHFL/F1HQ5RTGO6VAHFL.SMALL.jpg bulb66 Here are the pictures of my UV LED PCB exposure box, I made it because I wasn't having much luck with the "Press n Peel" method of PCB production and well it sounded like a cool project. I made it by following this web site http://www.innerqube.com  however it doesn't have any useable files apart f...
By: bulb66

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Tue, 31 May 2011 06:39:38 PDT
Pulp Based Computing: Paper with Embedded LEDs http://www.instructables.com/id/Pulp-Based-Computing-Paper-with-Embedded-LEDs/
Pulp Based Computing: Paper with Embedded LEDs - More DIY How To Projects]]> http://cdn.instructables.com/FUI/NXY5/GOB88VKP/FUINXY5GOB88VKP.SQUARE2.jpg http://cdn.instructables.com/FUI/NXY5/GOB88VKP/FUINXY5GOB88VKP.SQUARE.jpg http://cdn.instructables.com/FUI/NXY5/GOB88VKP/FUINXY5GOB88VKP.SMALL.jpg lizzzz The MIT media lab has been experimenting with pulp based computing (making paper with embedded electronics): http://vimeo.com/4272607 Integrating electronics into materials such as paper bring up interesting questions about what computing in the future will look like.   This tutorial shows you how...
By: lizzzz

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Mon, 30 May 2011 09:22:14 PDT
Your first electronic pcb/project http://www.instructables.com/id/Your-first-electronic-pcbproject/
Your first electronic pcb/project - More DIY How To Projects]]> http://cdn.instructables.com/F2U/TITO/GMX7ST8W/F2UTITOGMX7ST8W.SQUARE2.jpg http://cdn.instructables.com/F2U/TITO/GMX7ST8W/F2UTITOGMX7ST8W.SQUARE.jpg http://cdn.instructables.com/F2U/TITO/GMX7ST8W/F2UTITOGMX7ST8W.SMALL.jpg jwoo2023 Hehe... Your project is here. A LED activator. Simple... Needs... PCB(above) LED(small) 510ohm resistor 3v flat button cell battery Thin wire In goes the pieces... Print the pcb layout on to paper. Push the LED in to the pcb where it's marked.(Flat/short side of led is -) Push the resistor in....
By: jwoo2023

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Mon, 25 Apr 2011 04:15:34 PDT
Complete Circuit Board Lab & POV Business Card http://www.instructables.com/id/Circuit-Board-Lab-POV-Business-Card/
Complete Circuit Board Lab & POV Business Card - More DIY How To Projects]]> http://cdn.instructables.com/F0W/8YTM/GLFUE0H7/F0W8YTMGLFUE0H7.SQUARE2.jpg http://cdn.instructables.com/F0W/8YTM/GLFUE0H7/F0W8YTMGLFUE0H7.SQUARE.jpg http://cdn.instructables.com/F0W/8YTM/GLFUE0H7/F0W8YTMGLFUE0H7.SMALL.jpg sponges Introduction _______________________________________________________________________ Though there are many Instructables on some aspect of how to make circuit boards, this one is different. It's an instructable on how to make the things you need to make circuit boards, specifically, a flamboyant ...
By: sponges

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Sun, 20 Mar 2011 23:33:05 PDT
LED DNA Model http://www.instructables.com/id/LED-DNA-Model/
LED DNA Model - More DIY How To Projects]]> http://cdn.instructables.com/FJT/ICG8/GLC26NZI/FJTICG8GLC26NZI.SQUARE2.jpg http://cdn.instructables.com/FJT/ICG8/GLC26NZI/FJTICG8GLC26NZI.SQUARE.jpg http://cdn.instructables.com/FJT/ICG8/GLC26NZI/FJTICG8GLC26NZI.SMALL.jpg bpwagner This awesome Instructable was built by my daughter for her advanced biology class in high school.  Admit it, ever since you saw pretty LEDs you have thought about building a DNA model.  Well here are the instructions for just that.   This is not just your basic double helix model, this model consist...
By: bpwagner

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Fri, 18 Mar 2011 10:22:37 PDT
LED Painting of the Spiritual Stones (Zelda) http://www.instructables.com/id/LED-Painting-of-the-Spiritual-Stones-Zelda/ http://cdn.instructables.com/F35/SH82/GJQE9X2F/F35SH82GJQE9X2F.SQUARE2.jpg http://cdn.instructables.com/F35/SH82/GJQE9X2F/F35SH82GJQE9X2F.SQUARE.jpg http://cdn.instructables.com/F35/SH82/GJQE9X2F/F35SH82GJQE9X2F.SMALL.jpg prosper58 I made this a while ago after following a relatively easy schematic for an alternating LED circuit.(I switched a few components with others, though) I pretty much just painted the 3 spiritual stones on a small canvas, drilled holes in the middle of the stones, and glued in corresponding LEDs (then I...
By: prosper58

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Fri, 11 Feb 2011 23:03:17 PST
Solar Dark Detecting LED Light Bulb http://www.instructables.com/id/Solar-LED-Light-Bulb/
Solar Dark Detecting LED Light Bulb - More DIY How To Projects]]> http://cdn.instructables.com/F9Y/6DBZ/GJ27Z133/F9Y6DBZGJ27Z133.SQUARE2.jpg http://cdn.instructables.com/F9Y/6DBZ/GJ27Z133/F9Y6DBZGJ27Z133.SQUARE.jpg http://cdn.instructables.com/F9Y/6DBZ/GJ27Z133/F9Y6DBZGJ27Z133.SMALL.jpg JoshuaZimmerman Like so many projects in life, I got this idea while randomly walking around Hobby Lobby. I came across these cute little glass "light bulbs." They have screw off tops, a flat bottom, and only cost $1.50. Who couldn't pass that up? My original idea was to try and cram a LED, battery, and switch ...
By: JoshuaZimmerman

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Mon, 17 Jan 2011 22:00:18 PST
Led Cube: Circuit Version http://www.instructables.com/id/Led-Cube-Circuit-Version/ http://cdn.instructables.com/F3M/IEXW/GI0TISTH/F3MIEXWGI0TISTH.SQUARE2.jpg http://cdn.instructables.com/F3M/IEXW/GI0TISTH/F3MIEXWGI0TISTH.SQUARE.jpg http://cdn.instructables.com/F3M/IEXW/GI0TISTH/F3MIEXWGI0TISTH.SMALL.jpg NegroJ These are some photos of my Led Cube. Instead using a metal sheet, I used some circuit from an old organizer. I hop you enjoy. IT: queste sono alcune foto del mio Cubo Led. Al posto del foglio metallico ho usato dei circuiti presi da una vecchia agenda elettronica. Spero che vi piaccia.
By: NegroJ

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Sat, 25 Dec 2010 15:19:45 PST
Flood mood light http://www.instructables.com/id/Flood-mood-light/
Flood mood light - More DIY How To Projects]]> http://cdn.instructables.com/F11/P0EO/GDM7866Q/F11P0EOGDM7866Q.SQUARE2.jpg http://cdn.instructables.com/F11/P0EO/GDM7866Q/F11P0EOGDM7866Q.SQUARE.jpg http://cdn.instructables.com/F11/P0EO/GDM7866Q/F11P0EOGDM7866Q.SMALL.jpg fkuk Hi This is my first Instructable, and when i started to make the project i never intened to place it on this site but the LED contest was too good to miss. This is what the final product looks like. Prologue As i said before i never planed to place this online so that means i did not take ...
By: fkuk

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Fri, 3 Sep 2010 10:38:04 PDT
Light up bike tires http://www.instructables.com/id/Light-up-bike-tires/
Light up bike tires - More DIY How To Projects]]> http://cdn.instructables.com/FY4/EJRT/GCPZMGK8/FY4EJRTGCPZMGK8.SQUARE2.jpg http://cdn.instructables.com/FY4/EJRT/GCPZMGK8/FY4EJRTGCPZMGK8.SQUARE.jpg http://cdn.instructables.com/FY4/EJRT/GCPZMGK8/FY4EJRTGCPZMGK8.SMALL.jpg shaggs31 This instructable is going to show you how to put an LED onto a tire to light it up.  I chose to build a circuit that had a switch so that it can be turned off.  This is to conserve battery power because the effect is not as cool in the bright sunlight.  Another feature that is to conserve battery p...
By: shaggs31

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Sun, 15 Aug 2010 19:03:19 PDT
LED Flasher Pack http://www.instructables.com/id/LED-Flasher-Pack/
LED Flasher Pack - More DIY How To Projects]]> http://cdn.instructables.com/F1R/QJ7Y/G2HDWBL9/F1RQJ7YG2HDWBL9.SQUARE2.jpg http://cdn.instructables.com/F1R/QJ7Y/G2HDWBL9/F1RQJ7YG2HDWBL9.SQUARE.jpg http://cdn.instructables.com/F1R/QJ7Y/G2HDWBL9/F1RQJ7YG2HDWBL9.SMALL.jpg Udon This is an LED decade flasher circuit.The circuit cycles through ten stages. It runs off 9V batteries and is enclosed in clear plastic to make it water resistant and make it fresh looking.It can be attached to a bike, a messenger bag, a hat, lingerie, a back pack, anything you want.If you've never d...
By: Udon

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Fri, 27 Nov 2009 14:57:36 PST
LED exit sign http://www.instructables.com/id/LED-exit-sign/
LED exit sign - More DIY How To Projects]]> http://cdn.instructables.com/FRG/ZHNU/FUI0WYNH/FRGZHNUFUI0WYNH.SQUARE2.jpg http://cdn.instructables.com/FRG/ZHNU/FUI0WYNH/FRGZHNUFUI0WYNH.SQUARE.jpg http://cdn.instructables.com/FRG/ZHNU/FUI0WYNH/FRGZHNUFUI0WYNH.SMALL.jpg ry25920 I was browsing on allelectronics.com and saw an exit sign on sale..... $3.00. I found that offer irresistible. Now, for the instructions this is all about......Note: This was made after this was built so excuse the average photos and steps. Materials and tools needed Material:1.) A light-up exit ...
By: ry25920

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Wed, 13 May 2009 14:27:46 PDT
UV LED Exposure Box http://www.instructables.com/id/UV-LED-Exposure-Box/
UV LED Exposure Box - More DIY How To Projects]]> http://cdn.instructables.com/FVV/8UTG/FTO53T1G/FVV8UTGFTO53T1G.SQUARE2.jpg http://cdn.instructables.com/FVV/8UTG/FTO53T1G/FVV8UTGFTO53T1G.SQUARE.jpg http://cdn.instructables.com/FVV/8UTG/FTO53T1G/FVV8UTGFTO53T1G.SMALL.jpg djhamer How to build an Ultra Violet Exposure box using LED's.Your last Veroboard project!A UV exposure box is an extremely useful piece of kit. It can be used to make proper PCB's. It can also be used to make other things such as intricate photo etched parts (a subject for another instructable). The troubl...
By: djhamer

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Sat, 18 Apr 2009 14:54:23 PDT
Light activated blinking LEDs http://www.instructables.com/id/Light-activated-blinking-LEDs/
Light activated blinking LEDs - More DIY How To Projects]]> http://cdn.instructables.com/FET/S6AH/FQSWZG8B/FETS6AHFQSWZG8B.SQUARE2.jpg http://cdn.instructables.com/FET/S6AH/FQSWZG8B/FETS6AHFQSWZG8B.SQUARE.jpg http://cdn.instructables.com/FET/S6AH/FQSWZG8B/FETS6AHFQSWZG8B.SMALL.jpg sabre In this Instructable I will show you how to put together a flashing LED circuit that turns on when you wave your hand over it, blinks for a second or two, and then fades out. I got the schematic for the flashing circuit from steven123654's instructable which can be found at: ...
By: sabre

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Thu, 5 Feb 2009 20:23:53 PST
LED Lightbulb http://www.instructables.com/id/LED-Lightbulb/
LED Lightbulb - More DIY How To Projects]]> http://cdn.instructables.com/FO7/21RV/FMZAFJXL/FO721RVFMZAFJXL.SQUARE2.jpg http://cdn.instructables.com/FO7/21RV/FMZAFJXL/FO721RVFMZAFJXL.SQUARE.jpg http://cdn.instructables.com/FO7/21RV/FMZAFJXL/FO721RVFMZAFJXL.SMALL.jpg Tool Using Animal This was just a lark that had been itching in the back of my head for a while. It's a mains powered LED lightbulb. Supplies There's not too many things you need for this project.An incandescent light bulb.A .47 microfarad 200V capacitor.1/4 watt 1kilo ohm resistora pair of leds and miscellaneous ...
By: Tool Using Animal

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Fri, 31 Oct 2008 16:46:36 PDT
Night Stand Bottle Light http://www.instructables.com/id/Night-Stand-Bottle-Light/
Night Stand Bottle Light - More DIY How To Projects]]> http://cdn.instructables.com/FVR/3L7N/FK3O7S03/FVR3L7NFK3O7S03.SQUARE2.jpg http://cdn.instructables.com/FVR/3L7N/FK3O7S03/FVR3L7NFK3O7S03.SQUARE.jpg http://cdn.instructables.com/FVR/3L7N/FK3O7S03/FVR3L7NFK3O7S03.SMALL.jpg Flaakcm This Project is based off of Scooter76's Cool LED Night Light.Besides drilling the bottle which quite a while since I was trying to be careful not to shatter it, the circuit part of this project only took about 20 minutes. When you are drilling a glass bottle make sure that you use a special glass ...
By: Flaakcm

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Wed, 20 Aug 2008 18:06:22 PDT
Get the RBG LED Circuit from Glowing Ice Cubes http://www.instructables.com/id/Get-the-RBG-LED-Circuit-from-Glowing-Ice-Cubes/
Get the RBG LED Circuit from Glowing Ice Cubes - More DIY How To Projects]]> http://cdn.instructables.com/FAH/KWGO/FHJMQXD0/FAHKWGOFHJMQXD0.SQUARE2.jpg http://cdn.instructables.com/FAH/KWGO/FHJMQXD0/FAHKWGOFHJMQXD0.SQUARE.jpg http://cdn.instructables.com/FAH/KWGO/FHJMQXD0/FAHKWGOFHJMQXD0.SMALL.jpg benthekahn You may have seen those glowing ice cubes before. They glow all different color and have many modes but they are rather expensive ($4-$6 each) and only last for a few hours. I will show you how to extract the circuit and power it with another source.This is a video of the USB light I made with a cir...
By: benthekahn

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Mon, 16 Jun 2008 23:03:35 PDT
Simple Polarity Tester http://www.instructables.com/id/Simple-Polarity-Tester/
Simple Polarity Tester - More DIY How To Projects]]> http://cdn.instructables.com/FZG/TO6V/FE5XT430/FZGTO6VFE5XT430.SQUARE2.jpg http://cdn.instructables.com/FZG/TO6V/FE5XT430/FZGTO6VFE5XT430.SQUARE.jpg http://cdn.instructables.com/FZG/TO6V/FE5XT430/FZGTO6VFE5XT430.SMALL.jpg steven123654 In this instructable I will show you how to make a simple polarity tester capable of out to about 12vdc. Materials -4 diode (must at least withstand 12vdc) -1 red LED -1 green LED -1 1k ohm resistor -perf board -solder -soldering iron How to know how to position diode on circuit board You shou...
By: steven123654

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Sun, 23 Mar 2008 15:20:04 PDT
Super simple high power LED driver http://www.instructables.com/id/Super-simple-high-power-LED-driver/
Super simple high power LED driver - More DIY How To Projects]]> http://cdn.instructables.com/FNV/CWO9/FDYPTCX6/FNVCWO9FDYPTCX6.SQUARE2.jpg http://cdn.instructables.com/FNV/CWO9/FDYPTCX6/FNVCWO9FDYPTCX6.SQUARE.jpg http://cdn.instructables.com/FNV/CWO9/FDYPTCX6/FNVCWO9FDYPTCX6.SMALL.jpg Artificial Intelligence This Instructable will show you how to built a Constant Current for high power LEDs, using only two components.High power LEDs are getting cheaper and cheaper, however the constant current drivers, to drive them are pretty expensive.Here, I'll show you how to built a simple and cheap, yet very effec...
By: Artificial Intelligence

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Wed, 19 Mar 2008 07:20:53 PDT
LED-RGB controller http://www.instructables.com/id/LED-RGB-controller/ http://cdn.instructables.com/FXY/V08X/FCHYO8UJ/FXYV08XFCHYO8UJ.SQUARE2.jpg http://cdn.instructables.com/FXY/V08X/FCHYO8UJ/FXYV08XFCHYO8UJ.SQUARE.jpg http://cdn.instructables.com/FXY/V08X/FCHYO8UJ/FXYV08XFCHYO8UJ.SMALL.jpg dolulob This is my homemade RGB-LED controller.It is connected to the PC which lets me either change the color by hand, or the color changes to the music, or its like ambilight, the LEDs have the main color of my screen.unfortunately the colors are not that vivid in the video. They are alot brighter in real...
By: dolulob

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Sat, 16 Feb 2008 03:37:17 PST
Eggcellent Night Light! http://www.instructables.com/id/Eggcellent-Night-Light!/
Eggcellent Night Light! - More DIY How To Projects]]> http://cdn.instructables.com/FLL/15RC/F1U9XQRJ/FLL15RCF1U9XQRJ.SQUARE2.jpg http://cdn.instructables.com/FLL/15RC/F1U9XQRJ/FLL15RCF1U9XQRJ.SQUARE.jpg http://cdn.instructables.com/FLL/15RC/F1U9XQRJ/FLL15RCF1U9XQRJ.SMALL.jpg momo! This is my first Instructable! I've recently been reading a lot about LEDs and about simple LED Altoids flashlights and I got inspired one day (after cooking a deelish fritata) to incorporate eggs into the whole LED-Altoid-lovefest. I wanted to make something that looks simple yet could pass for s...
By: momo!

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Fri, 18 May 2007 20:09:54 PDT
Fireflies - Analog version... http://www.instructables.com/id/Fireflies---Analog-version.../
Fireflies - Analog version... - More DIY How To Projects]]> http://cdn.instructables.com/FVE/XD3T/QV9EXCFI0CW/FVEXD3TQV9EXCFI0CW.SQUARE2.jpg http://cdn.instructables.com/FVE/XD3T/QV9EXCFI0CW/FVEXD3TQV9EXCFI0CW.SQUARE.jpg http://cdn.instructables.com/FVE/XD3T/QV9EXCFI0CW/FVEXD3TQV9EXCFI0CW.SMALL.jpg photozz Or, How to randomly flash 8 LEDsOK. I'll admit that the fireflies in a jar thing has been done already. The difference here will be that this version will be done entirely with an analog circuit. For anyone without a lot of electrical knowledge, what that means is that you can do the firefly circuit...
By: photozz

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Wed, 31 Jan 2007 23:23:35 PST
High Power LED Driver Circuits http://www.instructables.com/id/Circuits-for-using-High-Power-LED-s/
High Power LED Driver Circuits - More DIY How To Projects]]> http://cdn.instructables.com/F6F/YXSP/V4WEWOF30G6/F6FYXSPV4WEWOF30G6.SQUARE2.jpg http://cdn.instructables.com/F6F/YXSP/V4WEWOF30G6/F6FYXSPV4WEWOF30G6.SQUARE.jpg http://cdn.instructables.com/F6F/YXSP/V4WEWOF30G6/F6FYXSPV4WEWOF30G6.SMALL.jpg dan High-power LED's: the future of lighting! but... how do you use them? where do you get them? 1-watt and 3-watt Power LED's are now widely available in the $3 to $5 range, so i've been working on a bunch of projects lately that use them. in the process it was bugging me that the only options anyone...
By: dan

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Mon, 8 Jan 2007 08:59:56 PST