Instructables: exploring - technology - bridge http://www.instructables.com Tue, 29 Jul 2014 01:53:11 PDT BLOX v1.01 AC to DC Conversion http://www.instructables.com/id/AC-to-DC-Conversion/
AC to DC Conversion - More DIY How To Projects]]> http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE2.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SQUARE.jpg http://cdn.instructables.com/FCH/4OHQ/HX504N4Z/FCH4OHQHX504N4Z.SMALL.jpg brmarcum Every once in a while I come up with an idea for a circuit or device that has applications where a battery may not be the best or most convenient option for a power supply. One example is the Motion Activated AC Switch that I built. Since I was wanting to have the switch open a relay to allow AC cur...
By: brmarcum

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Tue, 1 Jul 2014 14:24:04 PDT
Attiny85 as a Step/Dir Stepper Motor Controller http://www.instructables.com/id/Attiny85-as-a-StepDir-Stepper-Motor-Controller/
Attiny85 as a Step/Dir Stepper Motor Controller - More DIY How To Projects]]> http://cdn.instructables.com/FEF/VR91/HWIMUS31/FEFVR91HWIMUS31.SQUARE2.jpg http://cdn.instructables.com/FEF/VR91/HWIMUS31/FEFVR91HWIMUS31.SQUARE.jpg http://cdn.instructables.com/FEF/VR91/HWIMUS31/FEFVR91HWIMUS31.SMALL.jpg john1a Somewhere in Greece, someone did something never done before...Seen those things before?Thing: 1Thing: 2Thing: 3Oh, you have! You bought one of them you say? Oh... Don't worry, I did too.They did the job, yeah. But we paid for them much. Really much. And while our whole project would cost less than...
By: john1a

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Tue, 17 Jun 2014 02:42:30 PDT
Cheapest Violin Bridge http://www.instructables.com/id/Cheapest-Violin-Bridge/
Cheapest Violin Bridge - More DIY How To Projects]]> http://cdn.instructables.com/F9R/M0DN/HU0GQ2GA/F9RM0DNHU0GQ2GA.SQUARE2.jpg http://cdn.instructables.com/F9R/M0DN/HU0GQ2GA/F9RM0DNHU0GQ2GA.SQUARE.jpg http://cdn.instructables.com/F9R/M0DN/HU0GQ2GA/F9RM0DNHU0GQ2GA.SMALL.jpg Supportplastic Tired of you violin bridge breaking and you don't have enough time to find a music shop, just print it. Using a 3D printer download this file: http://www.mediafire.com/download/gt6wqh9hl4utxns/Bridge_v2.stl.zip Just print it and now you will be able to be on time to your concerts Make sure that yo...
By: Supportplastic

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Mon, 14 Apr 2014 20:54:38 PDT
Introduction to finding forces in bridge http://www.instructables.com/id/Introduction-to-finding-forces-in-bridge/
Introduction to finding forces in bridge - More DIY How To Projects]]> http://cdn.instructables.com/FRI/QXV3/HTZ3FRSV/FRIQXV3HTZ3FRSV.SQUARE2.jpg http://cdn.instructables.com/FRI/QXV3/HTZ3FRSV/FRIQXV3HTZ3FRSV.SQUARE.jpg http://cdn.instructables.com/FRI/QXV3/HTZ3FRSV/FRIQXV3HTZ3FRSV.SMALL.jpg lsouthwell Engineers use a method of static vector mechanics to identify the forces acting on bridges and other trusses.  In this problem we are given a truss system with certain given information (length of sides, and two forces acting on certain points) and asked to find the forces in the members CD, CF, and...
By: lsouthwell

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Mon, 14 Apr 2014 06:03:43 PDT
How to Create a Simple Bridge in Google SketchUp http://www.instructables.com/id/How-to-Create-a-Simple-Bridge-in-Google-SketchUp/
How to Create a Simple Bridge in Google SketchUp - More DIY How To Projects]]> http://cdn.instructables.com/F6B/G9SM/HSGFTPSU/F6BG9SMHSGFTPSU.SQUARE2.jpg http://cdn.instructables.com/F6B/G9SM/HSGFTPSU/F6BG9SMHSGFTPSU.SQUARE.jpg http://cdn.instructables.com/F6B/G9SM/HSGFTPSU/F6BG9SMHSGFTPSU.SMALL.jpg patrickw1 SketchUp is a wonderful program made free by Google that allows you to model 3D objects. The extent of this program is limited only by your own creativity and ambition. In this particular set of instructions, I am going to go through, step-by-step how to model a simple 3D bridge on Google SketchUp. ...
By: patrickw1

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Thu, 6 Mar 2014 19:52:05 PST
Love lock made with an 3D printer http://www.instructables.com/id/Love-lock-made-with-an-3D-printer/
Love lock made with an 3D printer - More DIY How To Projects]]> http://cdn.instructables.com/FNW/U8E4/HRCK2E2Q/FNWU8E4HRCK2E2Q.SQUARE2.jpg http://cdn.instructables.com/FNW/U8E4/HRCK2E2Q/FNWU8E4HRCK2E2Q.SQUARE.jpg http://cdn.instructables.com/FNW/U8E4/HRCK2E2Q/FNWU8E4HRCK2E2Q.SMALL.jpg lighttamer Here in Cologne we have a new tradition, lovers hang an padlock on the Hohenzollern Bridge. Locked it and throw the key into the Rhine river. This is an symbol, that the lovers belongs forever together and can not be separated. So we thought, such a Lovelock can be made with an 3D Printer. I made...
By: lighttamer

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Sat, 8 Feb 2014 09:49:15 PST
Another Chemical Agitator http://www.instructables.com/id/Another-Chemical-Agitator/
Another Chemical Agitator - More DIY How To Projects]]> http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SQUARE2.jpg http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SQUARE.jpg http://cdn.instructables.com/FU1/RAWY/HQJDTA5F/FU1RAWYHQJDTA5F.SMALL.jpg TSJWang Hi Instructables,Over the past years I have been making PCBs by just watching it etch away. Sometimes I would heat up the chemicals in the microwave, jiggle it around manually, use a stirrer, or a straw to facilitate the etching process. You all probably know that by agitating the etchant, it etches...
By: TSJWang

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Sat, 18 Jan 2014 09:50:43 PST
WiFi - Access Point out of a Raspberry Pi (bridged to eth0) http://www.instructables.com/id/How-to-make-a-WiFi-Access-Point-out-of-a-Raspberry/
WiFi - Access Point out of a Raspberry Pi (bridged to eth0) - More DIY How To Projects]]> http://cdn.instructables.com/FZS/4FEO/HJKBWE1Q/FZS4FEOHJKBWE1Q.SQUARE2.jpg http://cdn.instructables.com/FZS/4FEO/HJKBWE1Q/FZS4FEOHJKBWE1Q.SQUARE.jpg http://cdn.instructables.com/FZS/4FEO/HJKBWE1Q/FZS4FEOHJKBWE1Q.SMALL.jpg MrPyr0fiRe What do you need? A Raspberry Pi, model B. A boot SD card for the Raspberry Pi. A USB WiFi device that supports "Access Point" mode. An Ethernet cable to connect to the local network. How does it work? The Raspberry Pi is configured as a WiFi Hotspot, just like you would see in an internet cafe....
By: MrPyr0fiRe

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Sun, 28 Jul 2013 11:26:24 PDT
Techniques for Beefing Up Your Breadboard http://www.instructables.com/id/Techniques-for-Beefing-Up-Your-Breadboard/
Techniques for Beefing Up Your Breadboard - More DIY How To Projects]]> http://cdn.instructables.com/F0R/VHKV/HI3TY62I/F0RVHKVHI3TY62I.SQUARE2.jpg http://cdn.instructables.com/F0R/VHKV/HI3TY62I/F0RVHKVHI3TY62I.SQUARE.jpg http://cdn.instructables.com/F0R/VHKV/HI3TY62I/F0RVHKVHI3TY62I.SMALL.jpg DrRhodes Anytime you design a circuit, the best place to start building is a breadboard. Believe me, it is much easier to fix a problem or make refinements to a design on a breadboard then to a circuit you have soldered to perfboard or a PCB. However, most breadboards that you will encounter will be bare bon...
By: DrRhodes

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Sat, 22 Jun 2013 20:56:28 PDT
DIY BRIDGE RECTIFIER (BETTER LOOKING) http://www.instructables.com/id/DIY-BRIDGE-RECTIFIER-BETTER-LOOKING/ http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SQUARE2.jpg http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SQUARE.jpg http://cdn.instructables.com/F80/2B1T/HI3TRHP1/F802B1THI3TRHP1.SMALL.jpg kris754a this is my first homemade (better looking) component
By: kris754a

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Wed, 19 Jun 2013 15:45:24 PDT
QuickStart bi-directional motor control http://www.instructables.com/id/QuickStart-bi-directional-motor-control/ http://cdn.instructables.com/FOU/YZJ3/HHTE12DG/FOUYZJ3HHTE12DG.SQUARE2.jpg http://cdn.instructables.com/FOU/YZJ3/HHTE12DG/FOUYZJ3HHTE12DG.SQUARE.jpg http://cdn.instructables.com/FOU/YZJ3/HHTE12DG/FOUYZJ3HHTE12DG.SMALL.jpg cavelamb This is a full H-Bridge bi-directional control circuit for DC motors for the Parallax QuickStart board. http://www.youtube.com/watch?v=T7lbAXa1-Bs&feature=youtu.be There are six transistors, four for motor control, the other two connect the micro-controller output pins to the motor controll...
By: cavelamb

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Sun, 16 Jun 2013 20:20:30 PDT
Easy DC Motor Controller http://www.instructables.com/id/Easy-DC-Motor-Controller/
Easy DC Motor Controller - More DIY How To Projects]]> http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE2.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SQUARE.jpg http://cdn.instructables.com/F6Z/RLG9/HH2VNEHS/F6ZRLG9HH2VNEHS.SMALL.jpg mgingerich If you're building a robot or other microcontrolled gadget, you will need to drive DC motors forwards and backwards. In this instructable, I'll demonstrate a simple and inexpensive circuit that controls a DC motor from two I/O pins. It requires no integrated circuits, and uses commonly available par...
By: mgingerich

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Mon, 27 May 2013 19:02:40 PDT
Dual H-Bridge - L298 Breakout Board - Homemade http://www.instructables.com/id/Dual-H-Bridge-L298-Breakout-Board-Homemade/
Dual H-Bridge - L298 Breakout Board - Homemade - More DIY How To Projects]]> http://cdn.instructables.com/FS6/KZTE/HD2RLNML/FS6KZTEHD2RLNML.SQUARE2.jpg http://cdn.instructables.com/FS6/KZTE/HD2RLNML/FS6KZTEHD2RLNML.SQUARE.jpg http://cdn.instructables.com/FS6/KZTE/HD2RLNML/FS6KZTEHD2RLNML.SMALL.jpg BIGDOG1971 This is my homemade Dual H-Bridge using the IC L298N. For control DC motors or step Motors ao other purposes just like you need. Others projects: http://www.instructables.com/id/LINUSBot-Line-Follower-Robot/ http://www.instructables.com/id/Basic-Principles/ http://www.instructables.com/id/PINGBot...
By: BIGDOG1971

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Wed, 13 Feb 2013 15:05:41 PST
PINGBot - Explorer Robot http://www.instructables.com/id/PINGBot-Explorer-Robot/
PINGBot - Explorer Robot - More DIY How To Projects]]> http://cdn.instructables.com/FDK/B7WI/HCB8R9C3/FDKB7WIHCB8R9C3.SQUARE2.jpg http://cdn.instructables.com/FDK/B7WI/HCB8R9C3/FDKB7WIHCB8R9C3.SQUARE.jpg http://cdn.instructables.com/FDK/B7WI/HCB8R9C3/FDKB7WIHCB8R9C3.SMALL.jpg BIGDOG1971 PINGBot is the Explorer Robot that uses an ultrasonic sensor to be able to dodge objects present in its path. The ultrasonic sensor emits pulses at a frequency of 40KHz (imperceptible to the human ear and animals), these pulses when hitting an object, they are reflected and return to the sensor aft...
By: BIGDOG1971

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Mon, 11 Feb 2013 08:01:19 PST
BUGBot - Light Follower Robot http://www.instructables.com/id/Basic-Principles/
BUGBot - Light Follower Robot - More DIY How To Projects]]> http://cdn.instructables.com/FCP/8C0B/HCJO1G58/FCP8C0BHCJO1G58.SQUARE2.jpg http://cdn.instructables.com/FCP/8C0B/HCJO1G58/FCP8C0BHCJO1G58.SQUARE.jpg http://cdn.instructables.com/FCP/8C0B/HCJO1G58/FCP8C0BHCJO1G58.SMALL.jpg BIGDOG1971 The figures above shows the basic idea of any robot, where we have some inputs and output devices connected to the brain and some outputs controlled by the brain. In our case we will have the Arduino like the brain. The central Brain, controls all movements of the Robot.  The sensors will do the mo...
By: BIGDOG1971

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Fri, 1 Feb 2013 17:33:39 PST
Compact 3-in-1 Stripboard DIYduino with Integrated Sensor and L298N Motor Shield http://www.instructables.com/id/Compact-3-in-1-Stripboard-DIYduino-with-Integrated/
Compact 3-in-1 Stripboard DIYduino with Integrated Sensor and L298N Motor Shield - More DIY How To Projects]]> http://cdn.instructables.com/FJP/KUP3/HCB8T27P/FJPKUP3HCB8T27P.SQUARE2.jpg http://cdn.instructables.com/FJP/KUP3/HCB8T27P/FJPKUP3HCB8T27P.SQUARE.jpg http://cdn.instructables.com/FJP/KUP3/HCB8T27P/FJPKUP3HCB8T27P.SMALL.jpg Superbender I am presenting a compact design of a stripboard Arduino board (DIYduino) that includes a 2A motor driver and has additionally the functionality of a sensor shield. The 2-channel version cost approximately $29.43 and is more affordable compared to $39.00 for a commercially available system consistin...
By: Superbender

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Sun, 27 Jan 2013 22:49:18 PST
Standing Linear Actuator; powered by Modtronix http://www.instructables.com/id/Standing-Linear-Actuator-powered-by-Modtronix/
Standing Linear Actuator; powered by Modtronix - More DIY How To Projects]]> http://cdn.instructables.com/FSI/R61S/HA4LG8V5/FSIR61SHA4LG8V5.SQUARE2.jpg http://cdn.instructables.com/FSI/R61S/HA4LG8V5/FSIR61SHA4LG8V5.SQUARE.jpg http://cdn.instructables.com/FSI/R61S/HA4LG8V5/FSIR61SHA4LG8V5.SMALL.jpg N.fletch Some context surrounding the project: This Linear Actuator was designed for company use; so due to the context of this Instructable, no information will be discussed of the products: they are prototype systems. However I am free to discuss the Linear Actuator itself and how it was built. In additio...
By: N.fletch

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Fri, 7 Dec 2012 11:51:39 PST
Fabricating a Pocket Billiards (Pool) Mechanical Bridge http://www.instructables.com/id/Fabricating-a-Pocket-Billiards-Pool-Mechanical-B/
Fabricating a Pocket Billiards (Pool) Mechanical Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FZ1/QOM8/H8LVXEXO/FZ1QOM8H8LVXEXO.SQUARE2.jpg http://cdn.instructables.com/FZ1/QOM8/H8LVXEXO/FZ1QOM8H8LVXEXO.SQUARE.jpg http://cdn.instructables.com/FZ1/QOM8/H8LVXEXO/FZ1QOM8H8LVXEXO.SMALL.jpg xrayjim5120 Solving Life's small problems with home digital fabrication. A favorite past time of my beautiful wife is to play billiards.  But along with being short of stature she also has short arms for the across table shots.  Many places either do not have a “bridge” or have one that is not available when n...
By: xrayjim5120

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Mon, 5 Nov 2012 21:41:20 PST
Squirrel cage INDUCTION MOTOR DIY hack Alternator http://www.instructables.com/id/Squirrel-cage-INDUCTION-MOTOR-DIY-hack-Alternator/ http://cdn.instructables.com/FCL/1UXL/H5EDV6O1/FCL1UXLH5EDV6O1.SQUARE2.jpg http://cdn.instructables.com/FCL/1UXL/H5EDV6O1/FCL1UXLH5EDV6O1.SQUARE.jpg http://cdn.instructables.com/FCL/1UXL/H5EDV6O1/FCL1UXLH5EDV6O1.SMALL.jpg GREENPOWERSCIENCE This is a long video but shows the complete basic steps for creating an alternator from a standard AC electric motor. There is also some basic safety suggestions and experiences. This Alternator averages 10-21 watts at 400 rpm and 30-40 watts at 800 rpm This also introduces you you a bridge rectifie...
By: GREENPOWERSCIENCE

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Sun, 19 Aug 2012 08:46:47 PDT
How to sort out route overlapping problems in Eagle PCB http://www.instructables.com/id/How-to-sort-out-route-overlapping-problems-in-Eagl/ http://cdn.instructables.com/F2U/MPC4/H5Y9VI8H/F2UMPC4H5Y9VI8H.SQUARE2.jpg http://cdn.instructables.com/F2U/MPC4/H5Y9VI8H/F2UMPC4H5Y9VI8H.SQUARE.jpg http://cdn.instructables.com/F2U/MPC4/H5Y9VI8H/F2UMPC4H5Y9VI8H.SMALL.jpg knex super maker Often when you are routing a wire in Eagle PCB, you come to a point where you cant do a route for a component as it may be obstructed by another route or maybe a pad. If you have a board with lots of components on it, it would be time consuming to rearrange just to make space for this one component ...
By: knex super maker

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Sat, 18 Aug 2012 09:03:40 PDT
Self-Correcting Polarity Protection http://www.instructables.com/id/Self-Correcting-Polarity-Protection/ http://cdn.instructables.com/F8X/76QX/H5E9Q1Y3/F8X76QXH5E9Q1Y3.SQUARE2.jpg http://cdn.instructables.com/F8X/76QX/H5E9Q1Y3/F8X76QXH5E9Q1Y3.SQUARE.jpg http://cdn.instructables.com/F8X/76QX/H5E9Q1Y3/F8X76QXH5E9Q1Y3.SMALL.gif tristantech Accidentally mismatching positive and negative while hooking up a circuit is often a fatal blow to delicate electronics. Even if you absentmindedly pop in a battery the wrong way or forget to pay attention to the  polarity of the power supply connector once, microcontrollers may die, LED's will fail...
By: tristantech

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Fri, 3 Aug 2012 18:10:24 PDT
BaW-Bot Part 2: Build the motor-controller & body http://www.instructables.com/id/BaW-Bot-Part-2-Build-the-motor-controller-body/
BaW-Bot Part 2: Build the motor-controller & body - More DIY How To Projects]]> http://cdn.instructables.com/FOK/J7M3/H4AG57O2/FOKJ7M3H4AG57O2.SQUARE2.jpg http://cdn.instructables.com/FOK/J7M3/H4AG57O2/FOKJ7M3H4AG57O2.SQUARE.jpg http://cdn.instructables.com/FOK/J7M3/H4AG57O2/FOKJ7M3H4AG57O2.SMALL.jpg AndyTallack This is the second part of our BaW-Bot (Bells-and-Whistles Bot) build – 5 separate instructables that look into different Arduino-related technologies, combining to create a Bot with all the bells-and-whistles. Part 1: Build an Arduino on a Board Part 2: Build the motor-controller & body Part 3: Ad...
By: AndyTallack

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Fri, 13 Jul 2012 09:00:03 PDT
"Dyno" for locomotives http://www.instructables.com/id/Dyno-for-locomotives/
"Dyno" for locomotives - More DIY How To Projects]]> http://cdn.instructables.com/FJO/P6A2/H29XSA98/FJOP6A2H29XSA98.SQUARE2.jpg http://cdn.instructables.com/FJO/P6A2/H29XSA98/FJOP6A2H29XSA98.SQUARE.jpg http://cdn.instructables.com/FJO/P6A2/H29XSA98/FJOP6A2H29XSA98.SMALL.jpg zorwick “If you want something done, do it yourself. Yep!” says Mr. Zorg in the Fifth Element. Probably motivates us to start our projects. I am a big fan of model trains but unfortunately I do not have a permanent room but what can I do if I already have a nice collection of trains especially steam engine...
By: zorwick

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Tue, 22 May 2012 12:30:14 PDT
3D Designs http://www.instructables.com/id/3D-Designs/ http://cdn.instructables.com/F5U/U6C7/H2CE6OS2/F5UU6C7H2CE6OS2.SQUARE2.jpg http://cdn.instructables.com/F5U/U6C7/H2CE6OS2/F5UU6C7H2CE6OS2.SQUARE.jpg http://cdn.instructables.com/F5U/U6C7/H2CE6OS2/F5UU6C7H2CE6OS2.SMALL.jpg phromero12 All designed by me in 3Ds Max and Inventor. Rendered with Mental Ray and edited in Photoshop.
By: phromero12

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Sun, 20 May 2012 10:00:54 PDT
Leaf inspired bridge http://www.instructables.com/id/Leaf-inspired-bridge/ http://cdn.instructables.com/FHC/E7NZ/H1YOISDW/FHCE7NZH1YOISDW.SQUARE2.jpg http://cdn.instructables.com/FHC/E7NZ/H1YOISDW/FHCE7NZH1YOISDW.SQUARE.jpg http://cdn.instructables.com/FHC/E7NZ/H1YOISDW/FHCE7NZH1YOISDW.SMALL.jpg antipaxx44 Solidworks model of a bridge that can span up to 6 lanes of traffic with no central support along with height clearances on 15 feet. A very ridged structure that minimizes weight factors along with environmental. this is just a model for testing
By: antipaxx44

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Sat, 19 May 2012 12:18:33 PDT
Arduino Light & Knock Detecting Door Lock http://www.instructables.com/id/Arduino-Light-Knock-Detecting-Door-Lock/
Arduino Light & Knock Detecting Door Lock - More DIY How To Projects]]> http://cdn.instructables.com/FNT/IBQH/H21CGJF7/FNTIBQHH21CGJF7.SQUARE2.jpg http://cdn.instructables.com/FNT/IBQH/H21CGJF7/FNTIBQHH21CGJF7.SQUARE.jpg http://cdn.instructables.com/FNT/IBQH/H21CGJF7/FNTIBQHH21CGJF7.SMALL.jpg lilgfergi This is a great gadget for a secret clubhouse and for people like me who always seem to loose their keys! This project is based on the original Secret Knock Lock instructable by Grathio (available below) with the following main modifications: 1) Has a second secret input for when people are around ...
By: lilgfergi

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Thu, 3 May 2012 11:40:27 PDT
Hercules: The Motion Controlled Android Robot http://www.instructables.com/id/Hercules-The-Motion-Controlled-Android-Robot/
Hercules: The Motion Controlled Android Robot - More DIY How To Projects]]> http://cdn.instructables.com/FUC/JKM6/H0OIZNV1/FUCJKM6H0OIZNV1.SQUARE2.jpg http://cdn.instructables.com/FUC/JKM6/H0OIZNV1/FUCJKM6H0OIZNV1.SQUARE.jpg http://cdn.instructables.com/FUC/JKM6/H0OIZNV1/FUCJKM6H0OIZNV1.SMALL.jpg Jayvis Vineet Gonsalves When I was in the 8th grade, I was intrigued while playing the motion games on Nokia 5800. I was thrilled, how I could control the racing car by only tilting the phone. I used to dream of making this same car in the real world.  Now, in 11th  grade ( Age 17) having got an Arduino Uno and learnt how...
By: Jayvis Vineet Gonsalves

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Sat, 14 Apr 2012 05:48:43 PDT
GOduino II = Arduino + L293D Variable Speed Motor Controller http://www.instructables.com/id/GOduino-II-Arduino-L293D-Variable-Speed-Motor-/ http://cdn.instructables.com/FGO/S6UR/H0OJ5NSP/FGOS6URH0OJ5NSP.SQUARE2.jpg http://cdn.instructables.com/FGO/S6UR/H0OJ5NSP/FGOS6URH0OJ5NSP.SQUARE.jpg http://cdn.instructables.com/FGO/S6UR/H0OJ5NSP/FGOS6URH0OJ5NSP.SMALL.jpg techbitar UPDATES GOduino II was featured on dangerousprototypes.com 04/07/2012  I have added a budget slide for those readers who were wondering where I got my INTRODUCTION The GOduino II is a self-contained programmable controller for wheel-based robots. It's an Arduino Uno clone plus an L293D motor dr...
By: techbitar

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Fri, 6 Apr 2012 03:51:46 PDT
EXTREME Snap Circuits Programmable Robot! http://www.instructables.com/id/EXTREME-Snap-Circuits-Programmable-Robot/
EXTREME Snap Circuits Programmable Robot! - More DIY How To Projects]]> http://cdn.instructables.com/FRI/PT62/GZQR3I0D/FRIPT62GZQR3I0D.SQUARE2.jpg http://cdn.instructables.com/FRI/PT62/GZQR3I0D/FRIPT62GZQR3I0D.SQUARE.jpg http://cdn.instructables.com/FRI/PT62/GZQR3I0D/FRIPT62GZQR3I0D.SMALL.jpg KRA5H In this Instructable you will learn how to build an EXTREME Snap Circuits Programmable Robot. First, you will learn how to install the PICAXE Programming Editor (the PICAXE is the microcontroller, or computer brain for your programmable Snap Circuits robot). Next, you will learn what a simple PICAXE...
By: KRA5H

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Tue, 13 Mar 2012 13:08:05 PDT
GOduino - The Arduino Uno + Motor Driver clone http://www.instructables.com/id/GOduino-The-Arduino-Uno-Motor-Driver-clone/ http://cdn.instructables.com/FDO/WEFP/GZQ40WO7/FDOWEFPGZQ40WO7.SQUARE2.jpg http://cdn.instructables.com/FDO/WEFP/GZQ40WO7/FDOWEFPGZQ40WO7.SQUARE.jpg http://cdn.instructables.com/FDO/WEFP/GZQ40WO7/FDOWEFPGZQ40WO7.SMALL.jpg techbitar UPDATES 4/4/2012: The pcb version with variable motor speed, GOduino II, is on my blog http://techbitar.blogspot.com/2012/04/goduino-ii-motor-driver-arduino-uno.html  and here 29/3/2012: Corrections to motor load calculations section. 14/3/2012: I have added a 100 uF electrolytic capacitor between ...
By: techbitar

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Mon, 12 Mar 2012 10:46:34 PDT
Build an LED Driver Board for Arduino (and other MPs) Using Quad H-Bridges http://www.instructables.com/id/Build-an-LED-Driver-Board-for-Arduino-and-other-M/ http://cdn.instructables.com/F9G/K1NX/GZ0MMEH7/F9GK1NXGZ0MMEH7.SQUARE2.jpg http://cdn.instructables.com/F9G/K1NX/GZ0MMEH7/F9GK1NXGZ0MMEH7.SQUARE.jpg http://cdn.instructables.com/F9G/K1NX/GZ0MMEH7/F9GK1NXGZ0MMEH7.SMALL.jpg techshopzack Arduino's digital outputs can pump about 40mA of current each.  This is nowhere near enough for most lighting or motor applications, so the use of a relay board or motor driver shield are necessary.  This are usually expensive and some have the limitation of including electro-mechanical devices like...
By: techshopzack

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Tue, 28 Feb 2012 16:03:19 PST
LDRs + Arduino = A simple robot that can sense the light! http://www.instructables.com/id/LDRs-Arduino-A-simple-robot-that-can-sense-the/
LDRs + Arduino = A simple robot that can sense the light! - More DIY How To Projects]]> http://cdn.instructables.com/FD8/29SG/GYQES5W9/FD829SGGYQES5W9.SQUARE2.jpg http://cdn.instructables.com/FD8/29SG/GYQES5W9/FD829SGGYQES5W9.SQUARE.jpg http://cdn.instructables.com/FD8/29SG/GYQES5W9/FD829SGGYQES5W9.SMALL.jpg alexongarato An LDR is a Light Dependent Resistor and has many uses, for example, a photocel that can turn the lights of your house on when its getting dark outside. An interesting way to understand how it works is reading its values with an Arduino. So, let's see what we will need: Material: - an Arduino Uno;...
By: alexongarato

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Sun, 19 Feb 2012 17:08:45 PST
Photo Mosaic http://www.instructables.com/id/Photo-Mosaic/
Photo Mosaic - More DIY How To Projects]]> http://cdn.instructables.com/F1T/98ES/GQRBO1MK/F1T98ESGQRBO1MK.SQUARE2.jpg http://cdn.instructables.com/F1T/98ES/GQRBO1MK/F1T98ESGQRBO1MK.SQUARE.jpg http://cdn.instructables.com/F1T/98ES/GQRBO1MK/F1T98ESGQRBO1MK.SMALL.jpg coaleu Last year I wanted to make something special for my one year anniversary. I wanted to make something that showed our past year. I decided on a photo mosaic but I couldn't find a good guide on how to make one. After playing around with photoshop and bridge this how I made a photo mosaic. The total co...
By: coaleu

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Sun, 31 Jul 2011 21:18:15 PDT
Easy, Reversible Motor Control for Arduino (or any Microcontroller) http://www.instructables.com/id/Super-Easy-Reversible-Motor-Control-for-Arduino-/
Easy, Reversible Motor Control for Arduino (or any Microcontroller) - More DIY How To Projects]]> http://cdn.instructables.com/FDD/DPBJ/GMFGVZYO/FDDDPBJGMFGVZYO.SQUARE2.jpg http://cdn.instructables.com/FDD/DPBJ/GMFGVZYO/FDDDPBJGMFGVZYO.SQUARE.jpg http://cdn.instructables.com/FDD/DPBJ/GMFGVZYO/FDDDPBJGMFGVZYO.SMALL.jpg nothinglabs This project uses just three main components to provide forward and reverse control for a single motor.  You can easily interface it to an Arduino or any other microcontroller. It's so simple - you can wire it up "free-form" without a circuit board in about 15 minutes. Features: All parts avai...
By: nothinglabs

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Tue, 12 Apr 2011 19:08:54 PDT
(w/ Video) Basic Arduino Robot, Light Seeker! http://www.instructables.com/id/First-Arduino-Robot-Light-Seeker/
(w/ Video) Basic Arduino Robot, Light Seeker! - More DIY How To Projects]]> http://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SQUARE2.jpg http://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SQUARE.jpg http://cdn.instructables.com/FL5/YH1Z/GLE1MKLC/FL5YH1ZGLE1MKLC.SMALL.jpg Chowmix12 Many times I have Googled for "Arduino Robot" in hopes of finding a robot to build. I end up finding many versions of a obstacle avoiding robot that uses either an infrared or a sonar range finder sensor mounted on a servo to detect objects in its way while randomly roaming the area around it. The p...
By: Chowmix12

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Sat, 19 Mar 2011 20:34:36 PDT
Homemade arduino printer http://www.instructables.com/id/Homemade-arduino-printer/
Homemade arduino printer - More DIY How To Projects]]> http://cdn.instructables.com/F9J/IXMP/GK3TO331/F9JIXMPGK3TO331.SQUARE2.jpg http://cdn.instructables.com/F9J/IXMP/GK3TO331/F9JIXMPGK3TO331.SQUARE.jpg http://cdn.instructables.com/F9J/IXMP/GK3TO331/F9JIXMPGK3TO331.SMALL.jpg talesgurjao If you want to make your own high resolution printer (maybe not so high res), you are at the right place. This Instructable will show you how to do with two dead cd/dvd drive and a pen (pilot, whiteboard marker, whatever you have) at the best lego-printer style. Here is how our printer will work: w...
By: talesgurjao

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Sun, 13 Feb 2011 21:46:00 PST
Simple Robotics Breadboard http://www.instructables.com/id/Simple-Robotics-Breadboard/
Simple Robotics Breadboard - More DIY How To Projects]]> http://cdn.instructables.com/F6O/TM8T/GDTZY4FM/F6OTM8TGDTZY4FM.SQUARE2.jpg http://cdn.instructables.com/F6O/TM8T/GDTZY4FM/F6OTM8TGDTZY4FM.SQUARE.jpg http://cdn.instructables.com/F6O/TM8T/GDTZY4FM/F6OTM8TGDTZY4FM.SMALL.jpg doctek This Instructable shows you how to build a simple, inexpensive breadboard for robotics experiments. It is a companion to Cheap, Easy Robotics for the Non-Programmer. Here we'll learn how to build a Babuino robot to use for experiments with the Babuino/Blocos software environment. Using a breadb...
By: doctek

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Thu, 9 Sep 2010 17:37:52 PDT
Remove a Servo Controller http://www.instructables.com/id/Remove-a-Servo-Controller/
Remove a Servo Controller - More DIY How To Projects]]> http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SQUARE2.jpg http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SQUARE.jpg http://cdn.instructables.com/FET/0KPZ/H0KL7LDO/FET0KPZH0KL7LDO.SMALL.jpg randofo Servo motors are great fun when you want to easily interface a geared motor with a micro controller. However, sometimes, you want a nice little geared motor and don't want to be bothered with control circuitry to drive it. At times like this, it is good to know how to remove the controller from insi...
By: randofo

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Fri, 16 Jul 2010 18:35:18 PDT
Audio Modulated Solid State Tesla Coil http://www.instructables.com/id/Audio-Modulated-Solid-State-Tesla-Coil/ http://cdn.instructables.com/FRG/EBFI/GP7II2NO/FRGEBFIGP7II2NO.SQUARE2.jpg http://cdn.instructables.com/FRG/EBFI/GP7II2NO/FRGEBFIGP7II2NO.SQUARE.jpg http://cdn.instructables.com/FRG/EBFI/GP7II2NO/FRGEBFIGP7II2NO.SMALL.jpg Xellers Here is a video of my new SSTC, this test is only at 24 volts, and its already over an inch long, hopefully, it will be much more impressive at full power. Here is a video of the coil running in audio modulation mode at 90 volts (this was an earlier test, so the arcs became longer later on) F...
By: Xellers

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Mon, 11 Jan 2010 15:30:26 PST
AC Fume Extractor http://www.instructables.com/id/AC-Fume-Extractor/
AC Fume Extractor - More DIY How To Projects]]> http://cdn.instructables.com/F0V/UHCM/G29ZETZ5/F0VUHCMG29ZETZ5.SQUARE2.jpg http://cdn.instructables.com/F0V/UHCM/G29ZETZ5/F0VUHCMG29ZETZ5.SQUARE.jpg http://cdn.instructables.com/F0V/UHCM/G29ZETZ5/F0VUHCMG29ZETZ5.SMALL.jpg Udon This is a guide on how to build a simple 12 volt fume extractor that runs off 220V AC mains.By running off mains, the fume extractor can run 2X fans at full power.And all of the parts are easily available, maybe even stuff you have lying around.The shell of it is an empty ATX power supply.I'm keepin...
By: Udon

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Sat, 21 Nov 2009 05:16:45 PST
Dual Motor Driver with Arduino using a SN754410NE Quad Half H-Bridge http://www.instructables.com/id/Duel-Motor-Driver-with-Arduino-using-a-SN754410NE-/
Dual Motor Driver with Arduino using a SN754410NE Quad Half H-Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FWK/C6RA/G145JO65/FWKC6RAG145JO65.SQUARE2.jpg http://cdn.instructables.com/FWK/C6RA/G145JO65/FWKC6RAG145JO65.SQUARE.jpg http://cdn.instructables.com/FWK/C6RA/G145JO65/FWKC6RAG145JO65.SMALL.jpg ArduinoFun A step by step project guide by ArduinoFunWith this Instructable I am going to show you how to use a SN754410NE Quad H-Bridge IC to control two 12 volt DC Motors.I have added a video so that you can see the Dual Motor in action.  As you can see in the video, all the wires can be a little confusing t...
By: ArduinoFun

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Sun, 25 Oct 2009 19:13:35 PDT
Popsicle Stick Bridge http://www.instructables.com/id/Popsicle-Stick-Bridge/
Popsicle Stick Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SQUARE2.jpg http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SQUARE.jpg http://cdn.instructables.com/FEJ/RSKP/FT7PUCE9/FEJRSKPFT7PUCE9.SMALL.jpg drinkmorecoffee The popsicle stick bridge is a classic science demonstration and competition. Every year many students world-wide build bridges made soley from popsicle sticks and glue, to see which designs can hold the most weight.We built one, using maybe 140 sticks, give or take a few. Not expecting it to hold m...
By: drinkmorecoffee

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Mon, 20 Apr 2009 15:52:38 PDT
Photoshop Tutorial: Creating and Coloring Black and White Images http://www.instructables.com/id/Photoshop-Tutorial-Creating-and-Coloring-Black-an/ http://cdn.instructables.com/FBI/TUUS/FJ4NQLBH/FBITUUSFJ4NQLBH.SQUARE2.jpg http://cdn.instructables.com/FBI/TUUS/FJ4NQLBH/FBITUUSFJ4NQLBH.SQUARE.jpg http://cdn.instructables.com/FBI/TUUS/FJ4NQLBH/FBITUUSFJ4NQLBH.SMALL.jpg Fiberflex We will be converting a color photograph to black and white using adjustment layers. Since adjustment layers are not destructive to the original image, we will go back and color in selective areas of the image. This is a quick and effective way to simulate the technique of coloring areas of black ...
By: Fiberflex

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Sat, 26 Jul 2008 13:42:49 PDT
Photoshop Tutorial: Creating HDR Images http://www.instructables.com/id/Photoshop-Tutorial-Creating-HDR-Images/ http://cdn.instructables.com/FCG/WFEP/FJ4NQLAW/FCGWFEPFJ4NQLAW.SQUARE2.jpg http://cdn.instructables.com/FCG/WFEP/FJ4NQLAW/FCGWFEPFJ4NQLAW.SQUARE.jpg http://cdn.instructables.com/FCG/WFEP/FJ4NQLAW/FCGWFEPFJ4NQLAW.SMALL.jpg Fiberflex This video goes over the process of creating an HDR image using the tools available in Photoshop, and then we are going to go back and create an HDR image with the Photomatix Photoshop plug-in. If you are unfamiliar with HDR images, they are creating by combining images of a scene that were taken ...
By: Fiberflex

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Sat, 26 Jul 2008 13:36:35 PDT
How to Program the Vexplorer Using Arduino http://www.instructables.com/id/How-to-Program-the-Vexplorer-Using-Arduino/
How to Program the Vexplorer Using Arduino - More DIY How To Projects]]> http://cdn.instructables.com/F9V/34SJ/FHM8R1UG/F9V34SJFHM8R1UG.SQUARE2.jpg http://cdn.instructables.com/F9V/34SJ/FHM8R1UG/F9V34SJFHM8R1UG.SQUARE.jpg http://cdn.instructables.com/F9V/34SJ/FHM8R1UG/F9V34SJFHM8R1UG.SMALL.jpg robotkid249 This instructable will be about using arduino to control the revell vexplorer. Later you can add as many sensors you want. If you don't have most of the parts already this will cost you about $200 dollars. Most of the electronic bits you can find at radioshack and vexplorer at amazon, also arduino a...
By: robotkid249

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Thu, 19 Jun 2008 18:39:16 PDT
How to make an H-bridge http://www.instructables.com/id/How-to-make-an-H-bridge/
How to make an H-bridge - More DIY How To Projects]]> http://cdn.instructables.com/FJ6/HSMP/F5HVPCS6/FJ6HSMPF5HVPCS6.SQUARE2.jpg http://cdn.instructables.com/FJ6/HSMP/F5HVPCS6/FJ6HSMPF5HVPCS6.SQUARE.jpg http://cdn.instructables.com/FJ6/HSMP/F5HVPCS6/FJ6HSMPF5HVPCS6.SMALL.jpg randofo An H-bridge is a type of circuit that you can use to get a reversible DC motor to spin both clockwise and counterclockwise.In other words, this circuit allows you to quickly reverse the direction a motor is spinning by using a switch or controller chip to change its direction. I'm going to show you ...
By: randofo

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Sun, 19 Aug 2007 16:28:00 PDT
Simplified 'H' Bridge http://www.instructables.com/id/Simplified--H--Bridge/
Simplified 'H' Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FCS/SCFY/F5LDFNHA/FCSSCFYF5LDFNHA.SQUARE2.jpg http://cdn.instructables.com/FCS/SCFY/F5LDFNHA/FCSSCFYF5LDFNHA.SQUARE.jpg http://cdn.instructables.com/FCS/SCFY/F5LDFNHA/FCSSCFYF5LDFNHA.SMALL.jpg Pazzerz This is a simple circuit to control the direction of a DC motor, with the capability to turn it off. Nothing to it... There is really nothing much to explain. A simple switch will give you the capability to reverse and switch on/off your motor. A switch, like anything else can wear out, but wit...
By: Pazzerz

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Sun, 19 Aug 2007 15:17:09 PDT