Instructables: exploring - technology - bridge http://www.instructables.com Thu, 25 Aug 2016 11:44:22 PDT BLOX v1.01 L29x H bridge Arduino Library http://www.instructables.com/id/L29x-H-Bridge-Arduino-Library/
L29x H bridge Arduino Library - More DIY How To Projects]]> http://cdn.instructables.com/FFC/OPY5/IRLQMJLF/FFCOPY5IRLQMJLF.SQUARE2.jpg http://cdn.instructables.com/FFC/OPY5/IRLQMJLF/FFCOPY5IRLQMJLF.SQUARE.jpg http://cdn.instructables.com/FFC/OPY5/IRLQMJLF/FFCOPY5IRLQMJLF.SMALL.jpg Lorenzo Daidone In this tutorial I'll show you a library developed by Lorenzo Daidone and ElettRobotics. With this library, distributed under the terms of the GNU Lesser General Public License, you can handle one or more h-bridges with some easy functions.For any questions don't hesitate to write me at: email.Follo...
By: Lorenzo Daidone

Continue Reading »]]>
Mon, 8 Aug 2016 10:34:04 PDT
DIY mini Amplifier using TDA2822 http://www.instructables.com/id/DIY-Mini-Amplifier-Using-TDA2822/
DIY mini Amplifier using TDA2822 - More DIY How To Projects]]> http://cdn.instructables.com/FKL/4ANT/IQPFD71O/FKL4ANTIQPFD71O.SQUARE2.jpg http://cdn.instructables.com/FKL/4ANT/IQPFD71O/FKL4ANTIQPFD71O.SQUARE.jpg http://cdn.instructables.com/FKL/4ANT/IQPFD71O/FKL4ANTIQPFD71O.SMALL.jpg MakeStuff_MS Building a homemade amplifier using TDA2822Follow the steps here or watch the video to make your own amplifier Things Required 1. 10k Potentiometer 2. 100uF / 16 volt Capacitor3. TDA28224. 10 Ohm Resistor (3)5. 0.1uF Ceramic Capacitor (2)6. 0.01uF Ceramic Capacitor 7. 10uF / 50 Volt Capacitor8. 3...
By: MakeStuff_MS

Continue Reading »]]>
Sat, 16 Jul 2016 13:12:21 PDT
The Bridge and Crane System http://www.instructables.com/id/The-Bridge-and-Crane-System/
The Bridge and Crane System - More DIY How To Projects]]> http://cdn.instructables.com/F9G/T1K3/IQ8A69CN/F9GT1K3IQ8A69CN.SQUARE2.jpg http://cdn.instructables.com/F9G/T1K3/IQ8A69CN/F9GT1K3IQ8A69CN.SQUARE.jpg http://cdn.instructables.com/F9G/T1K3/IQ8A69CN/F9GT1K3IQ8A69CN.SMALL.jpg 浩翔邬 We are team Fast & Five, freshman students from University of Michigan - Shanghai Jiao Tong University Joint Institute(UM-SJTU JI). The Joint Institute is an international institute which has the privilege that it inherits and develops both the features of Shanghai Jiao Tong University and the Unive...
By: 浩翔邬

Continue Reading »]]>
Tue, 5 Jul 2016 21:22:55 PDT
A Beam Bridge Science Project http://www.instructables.com/id/A-Beam-Bridge-Science-Project/
A Beam Bridge Science Project - More DIY How To Projects]]> http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SQUARE2.jpg http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SQUARE.jpg http://cdn.instructables.com/FHQ/JC3Y/INPE6QEB/FHQJC3YINPE6QEB.SMALL.jpg Kto6Science Beam bridges are everywhere. Today, we're going to build a beam bridge and learn about the two different forces that act on a bridge.The compressive force is a force that compresses or shortens the thing it is acting on. The tensile force is a force that expands or lengthens the section it is acting...
By: Kto6Science

Continue Reading »]]>
Mon, 2 May 2016 11:01:46 PDT
How to Set Up DD-WRT TP-LINK TL-WR841N/ND V10 As a WiFi Repeater - Bridge - Range Extender http://www.instructables.com/id/How-to-Set-Up-DD-WRT-TP-LINK-TL-WR841NND-V10-As-a-/
How to Set Up DD-WRT TP-LINK TL-WR841N/ND V10 As a WiFi Repeater - Bridge - Range Extender - More DIY How To Projects]]> http://cdn.instructables.com/FSQ/O1UX/ILSS1690/FSQO1UXILSS1690.SQUARE2.jpg http://cdn.instructables.com/FSQ/O1UX/ILSS1690/FSQO1UXILSS1690.SQUARE.jpg http://cdn.instructables.com/FSQ/O1UX/ILSS1690/FSQO1UXILSS1690.SMALL.jpg AdiMusic1 How to set up DD-WRT TP-LINK TL-WR841N/ND V10 as a WiFi repeater - Bridge - Range extender
By: AdiMusic1

Continue Reading »]]>
Tue, 15 Mar 2016 23:22:15 PDT
Arduino & Full Bridge Motor Drives http://www.instructables.com/id/Arduino-Full-Bridge-Motor-Drives/
Arduino & Full Bridge Motor Drives - More DIY How To Projects]]> http://cdn.instructables.com/FRA/Q23F/IKYAO22B/FRAQ23FIKYAO22B.SQUARE2.jpg http://cdn.instructables.com/FRA/Q23F/IKYAO22B/FRAQ23FIKYAO22B.SQUARE.jpg http://cdn.instructables.com/FRA/Q23F/IKYAO22B/FRAQ23FIKYAO22B.SMALL.jpg Josehf Murchison Many of you may recognize this circuit but you may not agree on its name. Most reversible motor drives are called one of three names; Full Bridge Push Pull, Full Bridge Inverters, and H Bridge circuits. Just like one electronics engineer calls a vacuum tube a vacuum tube and another electronics engi...
By: Josehf Murchison

Continue Reading »]]>
Mon, 22 Feb 2016 11:14:05 PST
Fuji finepix s5700, replace lcd screen. standard http://www.instructables.com/id/Fuji-Finepix-S5700-Replace-Lcd-Screen-Standard/
Fuji finepix s5700, replace lcd screen. standard - More DIY How To Projects]]> http://cdn.instructables.com/FN6/TTRN/IJX7FZIJ/FN6TTRNIJX7FZIJ.SQUARE2.jpg http://cdn.instructables.com/FN6/TTRN/IJX7FZIJ/FN6TTRNIJX7FZIJ.SQUARE.jpg http://cdn.instructables.com/FN6/TTRN/IJX7FZIJ/FN6TTRNIJX7FZIJ.SMALL.jpg crazyg Busted screen, buy a new one! fit it yourself at a fraction of the cost of pro repair,outside of warranties. The finepix s5700 is my goto workhorse camera, only has 10x optical zoom so it works well in low light, macro and super macro focusing. chrome mode which accentuates saturation so the images ...
By: crazyg

Continue Reading »]]>
Thu, 28 Jan 2016 09:10:40 PST
Simple and small full-bridge-rectifier http://www.instructables.com/id/Simple-and-Small-Full-bridge-rectifier/
Simple and small full-bridge-rectifier - More DIY How To Projects]]> http://cdn.instructables.com/FCW/LB73/IIXHFNC3/FCWLB73IIXHFNC3.SQUARE2.jpg http://cdn.instructables.com/FCW/LB73/IIXHFNC3/FCWLB73IIXHFNC3.SQUARE.jpg http://cdn.instructables.com/FCW/LB73/IIXHFNC3/FCWLB73IIXHFNC3.SMALL.jpg TechnicalKid In this instructables I show you how tu build a super simple full bridge rectifier.If you have an AC power supply, but you need a DC Voltage, you can simply take this rectifier, connect it to your AC power supply and you are done. Things you need Parts:2 screw connectorssolder a 100µF capacitora ...
By: TechnicalKid

Continue Reading »]]>
Sun, 3 Jan 2016 01:36:38 PST
Scale Replica Swing Bridge Model http://www.instructables.com/id/Scale-Replica-Swing-Bridge-Model/
Scale Replica Swing Bridge Model - More DIY How To Projects]]> http://cdn.instructables.com/FFO/JNU7/IHUYLMKT/FFOJNU7IHUYLMKT.SQUARE2.jpg http://cdn.instructables.com/FFO/JNU7/IHUYLMKT/FFOJNU7IHUYLMKT.SQUARE.jpg http://cdn.instructables.com/FFO/JNU7/IHUYLMKT/FFOJNU7IHUYLMKT.SMALL.jpg Burner-stan This is not my build but one at my work it's an amazing piece of engineering. This is a working replica scale model of a 100 year old swing bridge in Norfolk. The bridge itself weighs 980 ton and jacks up on a central bearing the model when it was built did the same but over time has been modified...
By: Burner-stan

Continue Reading »]]>
Fri, 11 Dec 2015 09:52:06 PST
Building a 1:100 Scale Bailey Bridge http://www.instructables.com/id/Building-a-1100-Scale-Bailey-Bridge/
Building a 1:100 Scale Bailey Bridge - More DIY How To Projects]]> http://cdn.instructables.com/F2L/B3OE/IGY3L6I4/F2LB3OEIGY3L6I4.SQUARE2.jpg http://cdn.instructables.com/F2L/B3OE/IGY3L6I4/F2LB3OEIGY3L6I4.SQUARE.jpg http://cdn.instructables.com/F2L/B3OE/IGY3L6I4/F2LB3OEIGY3L6I4.SMALL.jpg WisarUK The kit referenced here has now been released to Thingiverse and limited copies are available for sale on eBay.This instructable describes the assembly of a 3D Printed kit for a 1:100 scale replica of the famous Bailey Bridge of World War 2. From Wikipedia: The Bailey bridge is a type of por...
By: WisarUK

Continue Reading »]]>
Sat, 14 Nov 2015 07:44:18 PST
ARDUINO stepper motor controlled with rotary encoder and l293d or SN754410NE chip http://www.instructables.com/id/ARDUINO-stepper-motor-controlled-with-rotary-encod/
ARDUINO stepper motor controlled with rotary encoder and l293d or SN754410NE chip - More DIY How To Projects]]> http://cdn.instructables.com/F4A/OE1F/IGFGM7CI/F4AOE1FIGFGM7CI.SQUARE2.jpg http://cdn.instructables.com/F4A/OE1F/IGFGM7CI/F4AOE1FIGFGM7CI.SQUARE.jpg http://cdn.instructables.com/F4A/OE1F/IGFGM7CI/F4AOE1FIGFGM7CI.SMALL.jpg Z-HUT Stepper motor's are very useful for lots of diy projects. In most cases the microcontroller can control all the movements of the stepper, But in some cases you may want to manually control the stepper motor to set a start point, rotate a camera or fine tune something. To do this a rotary encoder i...
By: Z-HUT

Continue Reading »]]>
Sat, 31 Oct 2015 13:44:25 PDT
How to Analyze a Truss Bridge http://www.instructables.com/id/How-to-Analyze-a-Truss-Bridge/
How to Analyze a Truss Bridge - More DIY How To Projects]]> http://cdn.instructables.com/FGH/V33E/IEIDCJOZ/FGHV33EIEIDCJOZ.SQUARE2.jpg http://cdn.instructables.com/FGH/V33E/IEIDCJOZ/FGHV33EIEIDCJOZ.SQUARE.jpg http://cdn.instructables.com/FGH/V33E/IEIDCJOZ/FGHV33EIEIDCJOZ.SMALL.jpg ryangraf55 Introduction:This instructable will go over how to correctly analyze a truss bridge using the method of joints. This technique is common in civil engineering practice. The purpose of this analysis is to take into account the structure, supports, and loads, and calculate the forces within each memb...
By: ryangraf55

Continue Reading »]]>
Fri, 11 Sep 2015 15:12:44 PDT
Automatic London Bascule bridge (Arduino based Student Project) http://www.instructables.com/id/Automatic-London-Bascule-bridge-Arduino-based-Stud-1/
Automatic London Bascule bridge (Arduino based Student Project) - More DIY How To Projects]]> http://cdn.instructables.com/F0U/DHT1/I9JR6U87/F0UDHT1I9JR6U87.SQUARE2.jpg http://cdn.instructables.com/F0U/DHT1/I9JR6U87/F0UDHT1I9JR6U87.SQUARE.jpg http://cdn.instructables.com/F0U/DHT1/I9JR6U87/F0UDHT1I9JR6U87.SMALL.jpg me_zain Hi Everyone! This Instructable shows you how to make an Automatic London Bascule Bridge Model easily using Arduino UNO, IR sensors and Stepper motor. The structure of the model is made out of the acrylic sheet. We have used stepper motor and ropes for moving the bridge up and down, on passage of...
By: me_zain

Continue Reading »]]>
Mon, 11 May 2015 14:59:14 PDT
AC to DC Power Using a Full Wave Rectifier http://www.instructables.com/id/AC-to-DC-Power-Using-a-Full-Wave-Rectifier/
AC to DC Power Using a Full Wave Rectifier - More DIY How To Projects]]> http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE2.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SQUARE.jpg http://cdn.instructables.com/FSJ/OGXP/I7RGMO54/FSJOGXPI7RGMO54.SMALL.jpg Neel.Adhiraj AC is used to transmit power over long distances. The power we get from the electrical outlets in our home is AC power. However since most modern electrical appliances use DC at some level, we need to know how to effectively convert AC power to DC power. We can do this using a circuit known as a ful...
By: Neel.Adhiraj

Continue Reading »]]>
Mon, 30 Mar 2015 00:30:13 PDT
Simple Arduino Bluetooth Cybot on the move and Android Appplication (updated) http://www.instructables.com/id/Bluetooth-Cybot-on-the-move/
Simple Arduino Bluetooth Cybot on the move and Android Appplication (updated) - More DIY How To Projects]]> http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SQUARE2.jpg http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SQUARE.jpg http://cdn.instructables.com/F2V/2RB6/I1WHCHU7/F2V2RB6I1WHCHU7.SMALL.jpg HUKBMBEAR A while back I wrote a couple of instructables for user interface creation and the control of the Cybot base using commands from either the keyboard or from a bar code scanner.Links to these are below:User interface:http://www.instructables.com/id/Direction-display-...Barcode Control: http://www.ins...
By: HUKBMBEAR

Continue Reading »]]>
Thu, 30 Oct 2014 13:16:37 PDT
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
Sat, 18 Jan 2014 09:50:43 PST
WiFi - Access Point out of a Raspberry Pi (Repeater) http://www.instructables.com/id/How-to-make-a-WiFi-Access-Point-out-of-a-Raspberry/
WiFi - Access Point out of a Raspberry Pi (Repeater) - 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

Continue Reading »]]>
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

Continue Reading »]]>
Sat, 22 Jun 2013 20:56:28 PDT
DIY BRIDGE RECTIFIER (BETTER LOOKING) http://www.instructables.com/id/DIY-BRIDGE-RECTIFIER-BETTER-LOOKING/
DIY BRIDGE RECTIFIER (BETTER LOOKING) - More DIY How To Projects]]> 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

Continue Reading »]]>
Wed, 19 Jun 2013 15:45:24 PDT
QuickStart bi-directional motor control http://www.instructables.com/id/QuickStart-bi-directional-motor-control/
QuickStart bi-directional motor control - More DIY How To Projects]]> 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 controller. ...
By: cavelamb

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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/
Squirrel cage INDUCTION MOTOR DIY hack Alternator - More DIY How To Projects]]> 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

Continue Reading »]]>
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/
How to sort out route overlapping problems in Eagle PCB - More DIY How To Projects]]> 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 Jarez Patel 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: Jarez Patel

Continue Reading »]]>
Sat, 18 Aug 2012 09:03:40 PDT
Self-Correcting Polarity Protection http://www.instructables.com/id/Self-Correcting-Polarity-Protection/
Self-Correcting Polarity Protection - More DIY How To Projects]]> 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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
Tue, 22 May 2012 12:30:14 PDT
3D Designs http://www.instructables.com/id/3D-Designs/
3D Designs - More DIY How To Projects]]> 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

Continue Reading »]]>
Sun, 20 May 2012 10:00:54 PDT
Leaf inspired bridge http://www.instructables.com/id/Leaf-inspired-bridge/
Leaf inspired bridge - More DIY How To Projects]]> 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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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-/
GOduino II = Arduino + L293D Variable Speed Motor Controller - More DIY How To Projects]]> 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

Continue Reading »]]>
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

Continue Reading »]]>
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/
GOduino - The Arduino Uno + Motor Driver clone - More DIY How To Projects]]> 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

Continue Reading »]]>
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/
Build an LED Driver Board for Arduino (and other MPs) Using Quad H-Bridges - More DIY How To Projects]]> 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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
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

Continue Reading »]]>
Sat, 19 Mar 2011 20:34:36 PDT