Instructables: exploring - technology - beam http://www.instructables.com Thu, 27 Nov 2014 00:37:33 PST BLOX v1.01 DIY USB Multi Mobile charger & LED light http://www.instructables.com/id/DIY-USBMobile-charger-LED-light/
DIY USB Multi Mobile charger & LED light - More DIY How To Projects]]> http://cdn.instructables.com/FTQ/9XA6/HCB8KP29/FTQ9XA6HCB8KP29.SQUARE2.jpg http://cdn.instructables.com/FTQ/9XA6/HCB8KP29/FTQ9XA6HCB8KP29.SQUARE.jpg http://cdn.instructables.com/FTQ/9XA6/HCB8KP29/FTQ9XA6HCB8KP29.SMALL.jpg bhvm LED. Such a Tiny, Yet marvellous Invention. A Promise to make the Mankind Glow (Pun Intended). Here, I present a new Instructable using LEDs to create a versatile, Bright and universal lightThese lights work on any standard 5V DC source Like USB ports or Mobile chargers. Other option is to rig up th...
By: bhvm

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Sun, 17 Nov 2013 04:02:09 PST
Laser Tripwire Alarm http://www.instructables.com/id/Laser-Tripwire-Alarm/
Laser Tripwire Alarm - More DIY How To Projects]]> http://cdn.instructables.com/FHV/B1LN/HNRLLXTN/FHVB1LNHNRLLXTN.SQUARE2.jpg http://cdn.instructables.com/FHV/B1LN/HNRLLXTN/FHVB1LNHNRLLXTN.SQUARE.jpg http://cdn.instructables.com/FHV/B1LN/HNRLLXTN/FHVB1LNHNRLLXTN.SMALL.jpg DIY Hacks and How Tos No security system is complete without lasers. So in this project I am going to show you how to build a laser tripwire alarm from a laser point, a couple of mirrors, and a few dollars of electrical parts. With this you can cover an entire house with an array of light beams. If any one of them is...
By: DIY Hacks and How Tos

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Tue, 12 Nov 2013 17:07:52 PST
Solar robotic beam robot http://www.instructables.com/id/Solar-robotic-beam-robot/ http://cdn.instructables.com/F51/I2W2/HF23QJB9/F51I2W2HF23QJB9.SQUARE2.jpg http://cdn.instructables.com/F51/I2W2/HF23QJB9/F51I2W2HF23QJB9.SQUARE.jpg http://cdn.instructables.com/F51/I2W2/HF23QJB9/F51I2W2HF23QJB9.SMALL.jpg banlanji This is a solar which based on solarengine.it is a car.
By: banlanji

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Sat, 6 Apr 2013 02:06:22 PDT
Laser Pointer Light Sabers http://www.instructables.com/id/Laser-Pointer-Light-Sabers/
Laser Pointer Light Sabers - More DIY How To Projects]]> http://cdn.instructables.com/FS6/6AR5/HANAVW3M/FS66AR5HANAVW3M.SQUARE2.jpg http://cdn.instructables.com/FS6/6AR5/HANAVW3M/FS66AR5HANAVW3M.SQUARE.jpg http://cdn.instructables.com/FS6/6AR5/HANAVW3M/FS66AR5HANAVW3M.SMALL.jpg Tromboner of Doom Have you ever wanted to have a light saber battle with your brother, yet don't want to get beaten with a plastic stick? Go no further than laser pointer light sabers, the closest thing to the real thing! Materials You're going to need a couple of materials for this to work. They are: As many...
By: Tromboner of Doom

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Thu, 13 Dec 2012 14:43:36 PST
How To Make a Simple Double-Slit http://www.instructables.com/id/How-To-Make-a-Simple-Double-Slit/
How To Make a Simple Double-Slit - More DIY How To Projects]]> http://cdn.instructables.com/FJP/TVXB/HA4LGDVO/FJPTVXBHA4LGDVO.SQUARE2.jpg http://cdn.instructables.com/FJP/TVXB/HA4LGDVO/FJPTVXBHA4LGDVO.SQUARE.jpg http://cdn.instructables.com/FJP/TVXB/HA4LGDVO/FJPTVXBHA4LGDVO.SMALL.jpg SpecieS~ This 'ible will show two simple methods to make a double-slit, that is small enough to create an interference pattern. Interference is an effect waves show, when they interact with each other. If two (or more) waves have the same wavelength and a fixed phase relationship they are called "coherent"....
By: SpecieS~

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Fri, 7 Dec 2012 15:50:45 PST
Dippy Bird Kinetic Beam http://www.instructables.com/id/Dippy-Bird-Kinetic-Beam/
Dippy Bird Kinetic Beam - More DIY How To Projects]]> http://cdn.instructables.com/F5H/WB4O/H8AZS2I4/F5HWB4OH8AZS2I4.SQUARE2.jpg http://cdn.instructables.com/F5H/WB4O/H8AZS2I4/F5HWB4OH8AZS2I4.SQUARE.jpg http://cdn.instructables.com/F5H/WB4O/H8AZS2I4/F5HWB4OH8AZS2I4.SMALL.jpg MikeTheMaker This is a horizontal flexible balanced beam arrangement that is kept in motion by a bobbing bird.  The idea for the beam arrangement came from here: http://bencraven.org.uk/cca_exhibition.html Look at this site and the videos and you can see how this has been done using cardboard. ...
By: MikeTheMaker

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Mon, 15 Oct 2012 18:44:43 PDT
INCREASE LIGHT by SQUEEZING LEDs with a FRESNEL http://www.instructables.com/id/INCREASE-LIGHT-by-SQUEEZING-LEDs-with-a-FRE/
INCREASE LIGHT by SQUEEZING LEDs with a FRESNEL - More DIY How To Projects]]> http://cdn.instructables.com/FF6/NER0/H0OJ1LEH/FF6NER0H0OJ1LEH.SQUARE2.jpg http://cdn.instructables.com/FF6/NER0/H0OJ1LEH/FF6NER0H0OJ1LEH.SQUARE.jpg http://cdn.instructables.com/FF6/NER0/H0OJ1LEH/FF6NER0H0OJ1LEH.SMALL.jpg iceng Some time back someone asked  me, I just want to find some way to make an RGB bulb spot light as tight a beam as possible for my Disco ball ? Here is a BIG 10mm Bulb LED being Squeezed into a tight beam by lens to just a spot 10 feet away. What is a Fresnel Lens Maybe first .....  what is ...
By: iceng

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Sun, 14 Oct 2012 17:12:26 PDT
Lobsterbot - a simple LM386 based robot http://www.instructables.com/id/Lobsterbot-a-simple-LM386-based-robot/
Lobsterbot - a simple LM386 based robot - More DIY How To Projects]]> http://cdn.instructables.com/FAE/6E42/H5JVXA9X/FAE6E42H5JVXA9X.SQUARE2.jpg http://cdn.instructables.com/FAE/6E42/H5JVXA9X/FAE6E42H5JVXA9X.SQUARE.jpg http://cdn.instructables.com/FAE/6E42/H5JVXA9X/FAE6E42H5JVXA9X.SMALL.jpg techiebot Quite some time ago I built a Herbie Junkbot mouse.  I liked the simplicity of the op-amp chip and the relay to determine motor direction.  I was also looking at six-legged robots.  The original lego site with the leg layout has since disappeared.  Here is the closest site I can find now. The desig...
By: techiebot

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Fri, 10 Aug 2012 06:45:35 PDT
WLT 1.0 (line tracer) http://www.instructables.com/id/WLT-10/
WLT 1.0 (line tracer) - More DIY How To Projects]]> http://cdn.instructables.com/FNU/905H/H1YOI3I4/FNU905HH1YOI3I4.SQUARE2.jpg http://cdn.instructables.com/FNU/905H/H1YOI3I4/FNU905HH1YOI3I4.SQUARE.jpg http://cdn.instructables.com/FNU/905H/H1YOI3I4/FNU905HH1YOI3I4.SMALL.jpg Wanka7a Hi! This is my first line tracer robot.I made it about 1 or 2 years ago. Line Tracer is a robot that follows a black line on white background. How does it work? The black color doesn't reflect the light but white does.The line is black on white background.When the line is straight the both...
By: Wanka7a

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Sat, 12 May 2012 07:17:14 PDT
Steampunked plasma-beam generator http://www.instructables.com/id/Steampunked-plasma-beam-generator/
Steampunked plasma-beam generator - More DIY How To Projects]]> http://cdn.instructables.com/FAW/5V83/GZI8KB7A/FAW5V83GZI8KB7A.SQUARE2.jpg http://cdn.instructables.com/FAW/5V83/GZI8KB7A/FAW5V83GZI8KB7A.SQUARE.jpg http://cdn.instructables.com/FAW/5V83/GZI8KB7A/FAW5V83GZI8KB7A.SMALL.jpg Junophor Hi everybody  I just returned from my steam-powered-laboratory (Dampfkraftlabor, in german) to present you my latest invention: The Steampunked plasma-beam generator: To get an first impression please watch this short movie Notice: Don´t wreck your health and please obay the following advices...
By: Junophor

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Thu, 8 Mar 2012 01:56:52 PST
Laser Show!!! http://www.instructables.com/id/Laser-Show/
Laser Show!!! - More DIY How To Projects]]> http://cdn.instructables.com/FMP/FG1Z/GYVDJSB1/FMPFG1ZGYVDJSB1.SQUARE2.jpg http://cdn.instructables.com/FMP/FG1Z/GYVDJSB1/FMPFG1ZGYVDJSB1.SQUARE.jpg http://cdn.instructables.com/FMP/FG1Z/GYVDJSB1/FMPFG1ZGYVDJSB1.SMALL.jpg theultimatelaserguy We will be making a laser show that involves mirrors, speakers, and lasers! Gather Materials! For this project you will need: - small mirrors - a - a base ( a wood, metal or plastic sheet to mount all the items - a small computer speaker set - a music source (phone, mp3 player) - a screwdriver ...
By: theultimatelaserguy

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Tue, 28 Feb 2012 19:09:08 PST
MouseBot http://www.instructables.com/id/MouseBot/
MouseBot - More DIY How To Projects]]> http://cdn.instructables.com/FWA/X6PK/GWQVQDGN/FWAX6PKGWQVQDGN.SQUARE2.jpg http://cdn.instructables.com/FWA/X6PK/GWQVQDGN/FWAX6PKGWQVQDGN.SQUARE.jpg http://cdn.instructables.com/FWA/X6PK/GWQVQDGN/FWAX6PKGWQVQDGN.SMALL.jpg Wanka7a This is MouseBot. Robot that moves forward and when touch wall or something it go back or sidestep it. NOTE: while i was recording the video batteries ... died :D and mouse stopped ... a moment later the camera stopped too :D EL. Scheme and princip of work. I downloaded the schemes from the net....
By: Wanka7a

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Thu, 29 Dec 2011 03:25:43 PST
Pummer Flower http://www.instructables.com/id/Pummer-Flower/
Pummer Flower - More DIY How To Projects]]> http://cdn.instructables.com/F0A/8J5H/GRQ44JX6/F0A8J5HGRQ44JX6.SQUARE2.jpg http://cdn.instructables.com/F0A/8J5H/GRQ44JX6/F0A8J5HGRQ44JX6.SQUARE.jpg http://cdn.instructables.com/F0A/8J5H/GRQ44JX6/F0A8J5HGRQ44JX6.SMALL.jpg matt.e.jenkins   This video and project was featured on Solarbotics.com on 8/26/2011. I really enjoy making solar powered machines and BEAM Robots.  With a good source of light they are self reliant.  A Pummer is a solar powered self activating LED flasher.  Pummers are a fun non-moving branch of BEAM Robotics. ...
By: matt.e.jenkins

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Tue, 30 Aug 2011 11:51:54 PDT
How to Build a BEAM robot http://www.instructables.com/id/How-to-Build-a-BEAM-Symet-1/ http://cdn.instructables.com/FXE/Z7YX/GNXX3IPT/FXEZ7YXGNXX3IPT.SQUARE2.jpg http://cdn.instructables.com/FXE/Z7YX/GNXX3IPT/FXEZ7YXGNXX3IPT.SQUARE.jpg http://cdn.instructables.com/FXE/Z7YX/GNXX3IPT/FXEZ7YXGNXX3IPT.SMALL.jpg simplebotics http://www.youtube.com/watch?v=enYlgXEIW_I This is how to build a beam symet robot!
By: simplebotics

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Sat, 21 May 2011 08:37:58 PDT
Build a Fridge Climbing Freedombot http://www.instructables.com/id/Build-a-Fridge-Climbing-Freedombot/
Build a Fridge Climbing Freedombot - More DIY How To Projects]]> http://cdn.instructables.com/FJ0/1F7Y/GLC26PF1/FJ01F7YGLC26PF1.SQUARE2.jpg http://cdn.instructables.com/FJ0/1F7Y/GLC26PF1/FJ01F7YGLC26PF1.SQUARE.jpg http://cdn.instructables.com/FJ0/1F7Y/GLC26PF1/FJ01F7YGLC26PF1.SMALL.jpg Skater_j10 This was my entry for a recent contest involving 555 timers (now also an entry for the Open [18+] category for the Robot week Contest) and I wanted to share how to build it! It's a robot that can be set free on any ferrous metal structure. It has rare earth magnets for wheels (covered in hot glue ...
By: Skater_j10

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Fri, 18 Mar 2011 03:58:50 PDT
how to build a BEAM robot http://www.instructables.com/id/how-to-build-a-BEAM-symet/
how to build a BEAM robot - More DIY How To Projects]]> http://cdn.instructables.com/FD6/SA89/GJQEJ4CS/FD6SA89GJQEJ4CS.SQUARE2.jpg http://cdn.instructables.com/FD6/SA89/GJQEJ4CS/FD6SA89GJQEJ4CS.SQUARE.jpg http://cdn.instructables.com/FD6/SA89/GJQEJ4CS/FD6SA89GJQEJ4CS.SMALL.jpg simplebotics A symet is a BEAM robot that stores electricity from a solar cell until it has enough energy to make the motor twitch. In this instructable i will show you how to build your very own BEAM symet! If you would like to see videos and read more about it then please visti my blog at, http://simplebotics....
By: simplebotics

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Fri, 4 Feb 2011 08:41:15 PST
LED Star Beam Clock http://www.instructables.com/id/LED-Star-Beam-Clock/
LED Star Beam Clock - More DIY How To Projects]]> http://cdn.instructables.com/F6X/U5RD/GD2JKYYL/F6XU5RDGD2JKYYL.SQUARE2.jpg http://cdn.instructables.com/F6X/U5RD/GD2JKYYL/F6XU5RDGD2JKYYL.SQUARE.jpg http://cdn.instructables.com/F6X/U5RD/GD2JKYYL/F6XU5RDGD2JKYYL.SMALL.jpg ChromationSystems For this design, some Piranha RGB LEDs are positioned around the outside edge of a clock that hangs on the wall. They are slightly angled so their beams will create a star pattern against the wall as it cycles through approx 16million colors. I am using a clock, purchased second hand, 8x RGB Piranh...
By: ChromationSystems

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Tue, 31 Aug 2010 23:06:52 PDT
Four-Motor Laser Spirograph http://www.instructables.com/id/Four-Motor-Laser-Spirograph/
Four-Motor Laser Spirograph - More DIY How To Projects]]> http://cdn.instructables.com/FZR/9NJW/G9WJCO7Y/FZR9NJWG9WJCO7Y.SQUARE2.jpg http://cdn.instructables.com/FZR/9NJW/G9WJCO7Y/FZR9NJWG9WJCO7Y.SQUARE.jpg http://cdn.instructables.com/FZR/9NJW/G9WJCO7Y/FZR9NJWG9WJCO7Y.SMALL.jpg QuackMasterDan Bouncing a laser beam off a mirror rotating at any angle above 0 degrees will create the illusion of a circle to the human eye. Combine two rotating mirrors, and complex shapes begin to emerge. With every additional mirror, the perceived image becomes more complex and intricate, with the ability to ...
By: QuackMasterDan

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Wed, 2 Jun 2010 15:50:04 PDT
The 'Dead Mouse' Computer Prank! http://www.instructables.com/id/The-Dead-Mouse-Computer-Prank/
The 'Dead Mouse' Computer Prank! - More DIY How To Projects]]> http://cdn.instructables.com/FIE/6RTX/G7DYJQSC/FIE6RTXG7DYJQSC.SQUARE2.jpg http://cdn.instructables.com/FIE/6RTX/G7DYJQSC/FIE6RTXG7DYJQSC.SQUARE.jpg http://cdn.instructables.com/FIE/6RTX/G7DYJQSC/FIE6RTXG7DYJQSC.SMALL.jpg CrazySheep This is a very simple prank to make and will get the victim wondering! What happens is that the infrared beam moves the cursor by detecting movement so when you move the mouse, it knows. So, by placing a pice of paper (we will be using sticky notes) under the mouse the infrared beam only 'sees' the...
By: CrazySheep

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Fri, 2 Apr 2010 06:25:19 PDT
Beam Symet http://www.instructables.com/id/Beam-Symet/ http://cdn.instructables.com/FVX/1IQ3/G6MPGX9R/FVX1IQ3G6MPGX9R.SQUARE2.jpg http://cdn.instructables.com/FVX/1IQ3/G6MPGX9R/FVX1IQ3G6MPGX9R.SQUARE.jpg http://cdn.instructables.com/FVX/1IQ3/G6MPGX9R/FVX1IQ3G6MPGX9R.SMALL.jpg pagosapig This beam Symet was built unlike most, this beam Symet is not solar powered. The circuit used is a modified version of "Led Flashing Circuit" by steven123654. The brains of the Symet is a 555 timer chip used to make the motor spin once per second. Please Rate and Comment!!
By: pagosapig

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Tue, 23 Mar 2010 11:26:34 PDT
Solar rainbow discoball! http://www.instructables.com/id/Solar-rainbow-discoball/
Solar rainbow discoball! - More DIY How To Projects]]> http://cdn.instructables.com/FVY/8MD1/G5KP7AAP/FVY8MD1G5KP7AAP.SQUARE2.jpg http://cdn.instructables.com/FVY/8MD1/G5KP7AAP/FVY8MD1G5KP7AAP.SQUARE.jpg http://cdn.instructables.com/FVY/8MD1/G5KP7AAP/FVY8MD1G5KP7AAP.SMALL.jpg matthewvenn This instructable shows you how to make a solar powered rainbow disco ball! A tiny solar panel powers a motor that turns a few cut glass crystals in the sun. These project moving rainbows around your room! We use what is called a solar engine to make this work. A solar engine is like a bucket that ...
By: matthewvenn

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Fri, 12 Feb 2010 12:11:09 PST
Solar Powered Battle Symet - BEAM Style http://www.instructables.com/id/Solar-Powered-Battle-Symet-BEAM-Style/
Solar Powered Battle Symet - BEAM Style - More DIY How To Projects]]> http://cdn.instructables.com/F4T/80AI/G51GRR25/F4T80AIG51GRR25.SQUARE2.jpg http://cdn.instructables.com/F4T/80AI/G51GRR25/F4T80AIG51GRR25.SQUARE.jpg http://cdn.instructables.com/F4T/80AI/G51GRR25/F4T80AIG51GRR25.SMALL.jpg Solarbotics BEAM Solar Symets (a contraction from "Symmetrical Robots") were first built by Mark Tilden many years ago as a way to provide mobile plant-life to the other creatures in his Robot Jurassic Park. Being quite simple by only using one solar-engine circuit, they're quick and easy to build. These versi...
By: Solarbotics

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Fri, 5 Feb 2010 15:46:12 PST
The Carpet Crawler - A BEAM Robot. http://www.instructables.com/id/The-Carpet-Crawler-A-BEAM-Robot/
The Carpet Crawler - A BEAM Robot. - More DIY How To Projects]]> http://cdn.instructables.com/FJZ/POLV/G5703OP3/FJZPOLVG5703OP3.SQUARE2.jpg http://cdn.instructables.com/FJZ/POLV/G5703OP3/FJZPOLVG5703OP3.SQUARE.jpg http://cdn.instructables.com/FJZ/POLV/G5703OP3/FJZPOLVG5703OP3.SMALL.jpg AndyGadget    The Carpet Crawler is a small robot which will shuffle its way across your floor.  Watch the video, and you will see how it got its name (that, and I'm an old prog rock fan at heart!).  BEAM stands for Biology, Electronics, Aesthetics, Mechanics, and is a school of robot design working on the ...
By: AndyGadget

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Tue, 2 Feb 2010 15:22:43 PST
The Easter Solar Engine http://www.instructables.com/id/The-Easter-Solar-Engine/
The Easter Solar Engine - More DIY How To Projects]]> http://cdn.instructables.com/FGQ/7DMH/G2L3BUY8/FGQ7DMHG2L3BUY8.SQUARE2.jpg http://cdn.instructables.com/FGQ/7DMH/G2L3BUY8/FGQ7DMHG2L3BUY8.SQUARE.jpg http://cdn.instructables.com/FGQ/7DMH/G2L3BUY8/FGQ7DMHG2L3BUY8.SMALL.jpg TinkerJim A Solar Engine is a circuit that takes in and stores electrical energy from solar cells, and when a predetermined amount has accumulated, it switches on to drive a motor or other actuator.  A solar engine is not really an 'engine' in itself, but that is its name by established usage.  It does provid...
By: TinkerJim

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Sun, 3 Jan 2010 10:58:32 PST
Solar Powered Miniball Wannabe http://www.instructables.com/id/Solar-Powered-Miniball-Wannabe/
Solar Powered Miniball Wannabe - More DIY How To Projects]]> http://cdn.instructables.com/FX1/BFE9/FYTCL421/FX1BFE9FYTCL421.SQUARE2.jpg http://cdn.instructables.com/FX1/BFE9/FYTCL421/FX1BFE9FYTCL421.SQUARE.jpg http://cdn.instructables.com/FX1/BFE9/FYTCL421/FX1BFE9FYTCL421.SMALL.jpg Solarbotics This miniball project has its roots in the old BEAM Miniball kit published by Solarbotics. It's still a cool kit, so we're going to show you how built a simpler version. This project is spearheaded by Mr. Jerome Demers ( aka Robomaniac ), our intern at Solarbotics! This robot uses a solar engine ci...
By: Solarbotics

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Mon, 16 Nov 2009 12:49:32 PST
How To Modify A Hitec HS-65HB Servo W/Kryptonite Gears For Continuous Rotation http://www.instructables.com/id/How-To-Modify-A-Hitec-HS-65HB-Servo-For-Continuous/
How To Modify A Hitec HS-65HB Servo W/Kryptonite Gears For Continuous Rotation - More DIY How To Projects]]> http://cdn.instructables.com/FYU/REHC/FXA2OKJ5/FYUREHCFXA2OKJ5.SQUARE2.jpg http://cdn.instructables.com/FYU/REHC/FXA2OKJ5/FYUREHCFXA2OKJ5.SQUARE.jpg http://cdn.instructables.com/FYU/REHC/FXA2OKJ5/FYUREHCFXA2OKJ5.SMALL.jpg Zeitron Presenting the Hitec HS-65HB, one of the the best micro servo's available with Karbonite Gears. So what's so special about this servo? Well how about 31 ounces/inch of torque and 0.11 sec speeds at 6 volts in a compact 23.60 x 11.60 x 24.00mm footprint, Super Strong Karbonite Gears capable of cycles...
By: Zeitron

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Tue, 21 Jul 2009 21:13:45 PDT
Solar Spinner - Magbot (200 rpm with no motor) http://www.instructables.com/id/Solar-Spinner/
Solar Spinner - Magbot (200 rpm with no motor) - More DIY How To Projects]]> http://cdn.instructables.com/F6H/L7PR/FUVSGH4W/F6HL7PRFUVSGH4W.SQUARE2.jpg http://cdn.instructables.com/F6H/L7PR/FUVSGH4W/F6HL7PRFUVSGH4W.SQUARE.jpg http://cdn.instructables.com/F6H/L7PR/FUVSGH4W/F6HL7PRFUVSGH4W.SMALL.jpg FreeBaseBuzz Cool Solar Spinner from JunkTotal Spend: US$ 0.75 that's right, 75 cents! everything else was recovered from old electronic junkThis solar powered ornament spins at up to 200 rpm in direct sunlight and was made in about 5hrs. 2 spinners in early morning sun. This instructable is for the rear one.P...
By: FreeBaseBuzz

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Sun, 24 May 2009 02:45:52 PDT
Easy robot: light follower http://www.instructables.com/id/Easy-robot-light-follower/
Easy robot: light follower - More DIY How To Projects]]> http://cdn.instructables.com/F8F/NPNT/FROAALSM/F8FNPNTFROAALSM.SQUARE2.jpg http://cdn.instructables.com/F8F/NPNT/FROAALSM/F8FNPNTFROAALSM.SQUARE.jpg http://cdn.instructables.com/F8F/NPNT/FROAALSM/F8FNPNTFROAALSM.SMALL.jpg dunnos No programming or microchips!Robots, the most awesome thing there is, especially when allot of people can build it!I got this robot from a friend as a present. thank you Rudolf.Anyway, this robot uses 2 Light dependent resistors to sense light and drive toward it.Warning,Soldering iron-hot-hurtsTha...
By: dunnos

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Sun, 1 Mar 2009 01:13:20 PST
Guitar Amplifier Directivity Modifier http://www.instructables.com/id/Guitar-Amplifier-Speaker-Directivity-Modifier-Bea/
Guitar Amplifier Directivity Modifier - More DIY How To Projects]]> http://cdn.instructables.com/FXO/UNB6/FPKFD9WZ/FXOUNB6FPKFD9WZ.SQUARE2.jpg http://cdn.instructables.com/FXO/UNB6/FPKFD9WZ/FXOUNB6FPKFD9WZ.SQUARE.jpg http://cdn.instructables.com/FXO/UNB6/FPKFD9WZ/FXOUNB6FPKFD9WZ.SMALL.jpg michaelconnor Background:This instructable is a direct implementation of the "Mitchell Doughnut" guitar speaker directivity modifier proposed by Jay Mitchell from The Gear Page discussion forum. The most relevant discussion can be found in the Speaker Directivity thread.Purpose:A typical guitar amplifier with a ...
By: michaelconnor

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Wed, 7 Jan 2009 18:30:01 PST
How to build the one motor walker! http://www.instructables.com/id/How-to-build-the-one-motor-walker/
How to build the one motor walker! - More DIY How To Projects]]> http://cdn.instructables.com/F0T/66ST/FFRD437D/F0T66STFFRD437D.SQUARE2.jpg http://cdn.instructables.com/F0T/66ST/FFRD437D/F0T66STFFRD437D.SQUARE.jpg http://cdn.instructables.com/F0T/66ST/FFRD437D/F0T66STFFRD437D.SMALL.jpg robomaniac Welcome! Here is Instructables on how to build a walker with only one motor! This design is base on the principal of B.E.A.M robotics! Building simple and elegant robot inspired by insect. This robot was build back in 2000 and want to show you how to build it. Beware this is a complex projec...
By: robomaniac

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Sat, 12 Jul 2008 15:33:10 PDT
How to Build a Robot - The BeetleBot v2 ( Revisited ) http://www.instructables.com/id/How-to-Build-a-Robot-The-BeetleBot-v2-Revisite/
How to Build a Robot - The BeetleBot v2 ( Revisited ) - More DIY How To Projects]]> http://cdn.instructables.com/F0H/9MB8/FHY0HAKC/F0H9MB8FHY0HAKC.SQUARE2.jpg http://cdn.instructables.com/F0H/9MB8/FHY0HAKC/F0H9MB8FHY0HAKC.SQUARE.jpg http://cdn.instructables.com/F0H/9MB8/FHY0HAKC/F0H9MB8FHY0HAKC.SMALL.jpg robomaniac This is the beetle robot instructables revisited a la MythBusters style! I originally made a instructables about my beetle robot version 1. It is now time to show you a new version of this wonderful robot. This new version is much easier to build and fool proof! The beetle robot (Beetle bot), is a...
By: robomaniac

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Tue, 1 Jul 2008 18:46:15 PDT
Xanboo/Homesite Laser Break Beam Sensor http://www.instructables.com/id/XanbooHomesite-Laser-Break-Beam-Sensor/
Xanboo/Homesite Laser Break Beam Sensor - More DIY How To Projects]]> http://cdn.instructables.com/FBK/OKS9/FDYPTDSX/FBKOKS9FDYPTDSX.SQUARE2.jpg http://cdn.instructables.com/FBK/OKS9/FDYPTDSX/FBKOKS9FDYPTDSX.SQUARE.jpg http://cdn.instructables.com/FBK/OKS9/FDYPTDSX/FBKOKS9FDYPTDSX.SMALL.jpg krich I want a Hollywood style laser beam sensor to play with. The problem is that I have a pile of Motorola Homesight cameras and sensor, but none of them have lasers! This project documents my trials, failures, and successes in building a laser sensor out of spare parts I wasn't going to use while get...
By: krich

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Thu, 27 Mar 2008 14:03:42 PDT
9-Volt Secret Money Holder http://www.instructables.com/id/9-Volt-Secret-Money-Holder/
9-Volt Secret Money Holder - More DIY How To Projects]]> http://cdn.instructables.com/FP8/3T8I/FE3IPZNN/FP83T8IFE3IPZNN.SQUARE2.jpg http://cdn.instructables.com/FP8/3T8I/FE3IPZNN/FP83T8IFE3IPZNN.SQUARE.jpg http://cdn.instructables.com/FP8/3T8I/FE3IPZNN/FP83T8IFE3IPZNN.SMALL.jpg wesie42 Keep your money safe and hidden from curious eyes. Gather Materials Materials: Wire Stripper(or Needle-Nose Pliers) Tape 9-Volt Battery Punch(For starting the metal off) I use the wire stripper/cutter because it is easier to use for the metal. Start Folding Up Metal Take the Punch and dig und...
By: wesie42

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Sat, 22 Mar 2008 15:15:43 PDT
USB powered burner! this project can burn through plastics/ wood / paper(fun project also has to be very fine wood) http://www.instructables.com/id/USB-powered-burner-this-project-can-burn-through-/
USB powered burner! this project can burn through plastics/ wood / paper(fun project also has to be very fine wood) - More DIY How To Projects]]> http://cdn.instructables.com/FU4/9RWK/FCYT8ZJN/FU49RWKFCYT8ZJN.SQUARE2.jpg http://cdn.instructables.com/FU4/9RWK/FCYT8ZJN/FU49RWKFCYT8ZJN.SQUARE.jpg http://cdn.instructables.com/FU4/9RWK/FCYT8ZJN/FU49RWKFCYT8ZJN.SMALL.jpg dean-101 DO NOT MAKE THIS USING USB!!!! i found out that it can damage your computer from all the comments. my computer is fine tho. Use a 600ma 5v phone charger. i used this and it works fine and nothing can be damaged if u use a safety plug to stop power surges.!!!!!!!!!!!!!!!!!!!!!!!!!!!!this project will...
By: dean-101

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Fri, 22 Feb 2008 13:13:26 PST
How to write with a blue or green laser pointer and take photos http://www.instructables.com/id/How-to-write-with-a-blue-or-green-laser-pointer-an/
How to write with a blue or green laser pointer and take photos - More DIY How To Projects]]> http://cdn.instructables.com/FPW/Z6Q2/FC17J31V/FPWZ6Q2FC17J31V.SQUARE2.jpg http://cdn.instructables.com/FPW/Z6Q2/FC17J31V/FPWZ6Q2FC17J31V.SQUARE.jpg http://cdn.instructables.com/FPW/Z6Q2/FC17J31V/FPWZ6Q2FC17J31V.SMALL.jpg grannybasher A simple instructable that will explain how to write use a laser pointer to write on surfaces such as buildings, the ground etc for really cool photos. Camera and settings The first thing you need is a decent camera such as this Nikon coolpixs6 from http://www.nikonusa.comNext is the most critica...
By: grannybasher

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Wed, 30 Jan 2008 01:10:20 PST
Giant Fresnel Lens Deathray: An Experiment in Optics http://www.instructables.com/id/Giant-Fresnel-Lens-Deathray-An-Experiment-in-Opti/
Giant Fresnel Lens Deathray: An Experiment in Optics - More DIY How To Projects]]> http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SQUARE2.jpg http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SQUARE.jpg http://cdn.instructables.com/FYX/KHMU/FAKWPFXT/FYXKHMUFAKWPFXT.SMALL.gif DrSimons So you don't have access to your own rail gun or military space laser....but never fear, we'll use the 1000 Watts/m2 of free sunlight in your backyard! But how?....A 13 square foot magnifying glass!Seriously. A solid glass lens that size would be silly, but instead we can use a 4 foot wide Fresnel l...
By: DrSimons

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Wed, 26 Dec 2007 15:42:56 PST
The Laser Tunnel Glove! http://www.instructables.com/id/The-Laser-Tunnel-Glove!/
The Laser Tunnel Glove! - More DIY How To Projects]]> http://cdn.instructables.com/FDA/2RPA/FA190FZ7/FDA2RPAFA190FZ7.SQUARE2.jpg http://cdn.instructables.com/FDA/2RPA/FA190FZ7/FDA2RPAFA190FZ7.SQUARE.jpg http://cdn.instructables.com/FDA/2RPA/FA190FZ7/FDA2RPAFA190FZ7.SMALL.jpg Chimera14 Remember those cool weapons that pretty much every alien in every sci-fi movie has? That awesome laser weapon he got straped to his arm and shoot without even tuching? well now you can have one too! The Tunnel Glove has two modes, tunnel AND dot, and the best thing is that it's activated by clutchi...
By: Chimera14

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Thu, 13 Dec 2007 10:02:05 PST
A Simple Solution To The Infamous Helping Hand's Problem http://www.instructables.com/id/A-Simple-Solution-To-The--Infamous-Helping-Hands-/
A Simple Solution To The Infamous Helping Hand's Problem - More DIY How To Projects]]> http://cdn.instructables.com/FZC/N0YM/F9AC3HJC/FZCN0YMF9AC3HJC.SQUARE2.jpg http://cdn.instructables.com/FZC/N0YM/F9AC3HJC/FZCN0YMF9AC3HJC.SQUARE.jpg http://cdn.instructables.com/FZC/N0YM/F9AC3HJC/FZCN0YMF9AC3HJC.SMALL.jpg acaz93 Recently , i bought one of those cheapy helping hands , and i started to note that the "hands " were wearing off , So i tried to found a clever ( and Cheap Of course ) Solution to this small problem The Problem Is This : The Set Screw Was Crushing The Old Aligator Clips And Guess what , ??I FOUND Th...
By: acaz93

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Fri, 23 Nov 2007 22:01:49 PST
Beware of the horrible pumpkin bots .... http://www.instructables.com/id/Beware-of-the-horrible-pumpkin-bots-..../
Beware of the horrible pumpkin bots .... - More DIY How To Projects]]> http://cdn.instructables.com/FOL/N8T9/F82EZJSP/FOLN8T9F82EZJSP.SQUARE2.jpg http://cdn.instructables.com/FOL/N8T9/F82EZJSP/FOLN8T9F82EZJSP.SQUARE.jpg http://cdn.instructables.com/FOL/N8T9/F82EZJSP/FOLN8T9F82EZJSP.SMALL.jpg frickelkram These bots are all dangerous!They came over me with full force. I did not expect them to be this powerful. Hopefully they all lose their energy very soon ... ;-) What you need It helps a lot if you own many many things that you got out of old electronic devices. I used motors from old XBOX gamep...
By: frickelkram

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Mon, 29 Oct 2007 12:11:29 PDT
Give the gift of Robot Invasion http://www.instructables.com/id/Give-the-gift-of-Robot-Invasion/
Give the gift of Robot Invasion - More DIY How To Projects]]> http://cdn.instructables.com/FX9/QBZ2/4YJEVYDZY5R/FX9QBZ24YJEVYDZY5R.SQUARE2.jpg http://cdn.instructables.com/FX9/QBZ2/4YJEVYDZY5R/FX9QBZ24YJEVYDZY5R.SQUARE.jpg http://cdn.instructables.com/FX9/QBZ2/4YJEVYDZY5R/FX9QBZ24YJEVYDZY5R.SMALL.jpg MrMunki Solar powered robot ornament wishes you holiday greetings during the day but when the lights go out radios home for reinforcement. Parts: Electronics: 2N3904 Transistor Rectifier Diode 1M resistor Blinking LED 2 Rechargeable 1.5v batteries Solar panel Misc. Parts: Copper plumbing parts Gromme...
By: MrMunki

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Sun, 31 Dec 2006 21:21:09 PST
A Servo-based 4-legged Walker http://www.instructables.com/id/A-Servo-based-4-legged-Walker/
A Servo-based 4-legged Walker - More DIY How To Projects]]> http://cdn.instructables.com/FZH/11HN/TN2EUGCWSDR/FZH11HNTN2EUGCWSDR.SQUARE2.jpg http://cdn.instructables.com/FZH/11HN/TN2EUGCWSDR/FZH11HNTN2EUGCWSDR.SQUARE.jpg http://cdn.instructables.com/FZH/11HN/TN2EUGCWSDR/FZH11HNTN2EUGCWSDR.SMALL.jpg The Real Elliot Build your own (needlessly tech) servomotor-driven 4-leg walker robot!First, a warning: This bot is basically a microcontroller-brain version of the classic BEAM 4-legged walker. The BEAM 4-legger may be easier for you to make if you aren't already set up for microcontroller programming and just wa...
By: The Real Elliot

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Tue, 14 Nov 2006 01:47:02 PST
Cheap Easy Solar Powered Robot http://www.instructables.com/id/Cheap-Easy-Solar-Powered-Robot/
Cheap Easy Solar Powered Robot - More DIY How To Projects]]> http://cdn.instructables.com/F8G/U295/GIFET2JY4AA/F8GU295GIFET2JY4AA.SQUARE2.jpg http://cdn.instructables.com/F8G/U295/GIFET2JY4AA/F8GU295GIFET2JY4AA.SQUARE.jpg http://cdn.instructables.com/F8G/U295/GIFET2JY4AA/F8GU295GIFET2JY4AA.SMALL.jpg leevonk Make a very cheap, relatively easy to construct robot which will wake up any time you shine a desk lamp on it. There are no sensors on it, although I suppose the solar panel can be called a sensor. I plan on adding solar panels and another motor, and making it controlled by a PIC microcontroller in ...
By: leevonk

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Wed, 11 Oct 2006 09:20:01 PDT