hi . does any body knows how to make an electric automatic gear shifter for motorcycle.?

it is usualy used by people with amputated leg? ? ?but expensive i want to make my own. heres a site that sells it http://www.mpsracing.com/

Asked by davidags 9 years ago | last reply 9 years ago


Anti-Land Mine Robot

I have started design and concept design on a robot to mark (via GPS and UV paint) and destroy unexploded ordinance in Cambodia.  I am assembling teams for various aspects of the project (mechanical, electronics/power, practical application, coding and programming, construction, etc).  While many people have offered their experience and knowledge, the more people contributing can only benefit the end product.  This is not a money-maker, it's a life sustainer.  I'm looking for people who are interested in using their skills to better someone else's existence.   Though it is brand new, you can visit the project's blog at http://antiminebot.wordpress.com/   All advice is welcomed.  Project updates will be regular. Thank you for your time, Huck

Posted by huck alexander 6 years ago | last reply 6 years ago


1st time robot. Too ambitious?

Hello All, I have recently started an ambitious project. There will certainly be much learning along the way.  But it is too ambitious? The goal is to build a bot that can be controlled remotely, to aid in the detection, marking, and ultimate removal of unexploded ordinance in Cambodia (in this first application).  Though I have never built a robot of any type, I am quickly learning the basics, but would like ultimate beginner advice if anyone had any.  If anyone would like details on the project, PM me.  It's really a lot for a forum post... If there are any Veterans or military buffs out there, I could really use other first hand accounts of experiencing UEO. Through generous donation and aquisition, I have come cross an electric wheelchair, and many parts needed for a former "Battle-Bot".  Battle-bot turns peace-maker.  I love it!  The motors are Bosche, 24V and ~750watts.  Included were DC motor (high amp) speed controls, and 2x 12v 26A sealed lead-acid batteries.  Very very excited to really dig in.  I lack a quality track or model of a good track to use for traction, etc.  Anyone know of any good and sturdy RC tank tracks I could look at for design or actual construction? Though I began to construct my own track out of sheet metal and various materials available (it actually turned out kinda ok), I don't intend on reinventing the wheel, as it were.  3" took me almost 2 hours. Will also be incorporating a ~3'-4' rotating and articulating arm.  Trying to keep its weight to under ~30lbs.  The wheelchair frame is very strong and moddable, Ws thinking of using a lazy susan type bearing, but I'm not sure I could find one rated for that weight for an affordable price.  Any suggestions? Thanks for checking this out.  Again, if you want more details, I'm happy to share my plans.  Just PM me. This is being designed 100% open-source, and 100% documented with a video and written journal in order to be easily duplicated.   Constructive criticism is NOT personal criticism! Huck

Posted by huck alexander 6 years ago | last reply 6 years ago


can anyone help in the creation of a robot prosthetic leg?

My crew coach got into a horrible motorcycle accident and he had to be amputated above the knee. i had an idea using accelerometers and electronic gyroscopes to make the leg balance itself but i have no idea how to script or program. i also need to figure out how to make the leg move when it needs to and stop when it needs to. i have not started this project yet, but who knows i might be done by the time someone reads this.

Asked by katman101 6 years ago | last reply 5 years ago


Wetsuit for 5 year old With fins/paddles

My nephew was born with severely clubbed feet, and lobster hands. After several surgeries he has ended up with with above the knee amputations, and tri-fingers with a very strong grasp. He receives intensive therapy and support, so he gets all the recreation he needs, plus occupational therapy. Well, he was recently introduced to a swimming pool and loves it. unfortunately, because of his amputations, he buoyancy is all screwed up. I would like to take a wet suit, and modify it to include a hard silicone leg prosthesis, and swim fins, and gloves that fit his fingers, with webbing, similar to what long distance endurance swimmers and navy seals use. I figure I can use off the shelf neoprene for the wet suit, and take very good measurements for the gloves. I have made patterns for outfits before, so I can layout the pieces, and have my wife or mother stitch them together. (they are great with sewing machines) For Bouyancy, I was toying with the idea of air bags made from cordura nylon and fillable from the outside with air attachment nozzles, and stitched inside the legs. They would be surrounded by hard plastic similar to the shape of his prosthetic legs he is getting used to. The torso of the wet suit would be stitched to the legs, so when his torso grew, I would cut along the seam, replace the torso as needed. Anything you guys think I am missing? I will start posting sketches and renderings as I get started on this project...

Posted by Lightcutter 11 years ago | last reply 11 years ago


Attempting to make my own toe prosthesis...

Any helpful suggestions? I'll explain my situation: I have a partial right big toe amputation. basically, the entire tip end where the nail is supposed to be is gone, right to the joint, leaving me with a stubby, short half-toe. I've found some companies that will make realistic prosthetic toes, fingers, ears, etc, but the cost is too much for me. ($3000 for something with a life expectancy of only 2 -3 years!) I've decided to make my own using silicone. My plan is to make a mold of my sister's toe and fill it with silicone. I'll also mold my poor little stub, make a plaster replica of it, and stick it into the silicone-filled mold of my sister's toe. The idea is to custom-fit it to my toe. The parts that I'm finding difficult are painting it to look realistic, and also finding an acrylic nail large enough to pass as a large toenail. If anyone has any suggestions, or even a better method, please feel free to enlighten me! Thanks.

Posted by i_do_not_mow_lawns 11 years ago | last reply 7 months ago


Another step towards human cyborgs - the finger drive.

A Finnish computer programmer who lost one of his fingers in a motorcycle accident has made himself a prosthetic replacement with a USB drive attached.Jerry Jalava uses the 2GB memory stick, accessed by peeling back the "nail", to store photos, movies and programmes.The finger is not permanently attached to his hand, so it can be easily left plugged into a computer when in use.Mr Jalava says he is already thinking about upgrading the finger to include more storage and wireless technology."I'm planning to use another prosthetic as a shell for the next version, which will have removable fingertip and RFID tag," he wrote on his blog, ProtoBlogr.net.Half of Mr Jalava's left ring finger had to be amputated last summer after he crashed into a deer while riding his motorbike near Helsinki.He says he was inspired to create the unique storage device when doctors treating him joked that he should have a USB "finger drive" after finding out that he was a software developer. More is apparently available on the inventor's blog, but it keeps timing out for me.BBC story

Posted by Kiteman 9 years ago | last reply 9 years ago


Embedded joystick in Laptop

Hey guys :) On November 22nd I had a bike accident in which I got my left hand caught in my front disc rotor and I lost my ring finger, pinky and top middle finger. I've had my middle finger and pinky reattached, but my pinky is permanently pinned so im getting it off anyways... Basically i'm an extremely avid biker riding trials, dh, freeride and slopestyle, My other passion is my computers and newly arduino and robotics. Im new to arduino though and do not have enough experience to take on this project (Plus the amount of morphine i'm on doesnt help either :P   ) Since I have no effective ring or pinky finger I cannot do my excessive gaming on my laptop (As any 16yr old...), For christmas I got a Razer Nostromo allowing me to game again but not very portable as I use and am getting a gaming laptop (Celvo P170EM) The laptop has 2 hdd bays, so I was thinking about using a PSP joystick in the left alt key space.  How could I go about connecting it to the motherboard or internal USB? To act as either analog or digital joystick?  Would this be able to convert into all games as a form of W,S,A,D keys or Arrow Keys? How expensive would it be? And what are the chances someone can make this for me and I can simply install it and solder it to the inside usb legs? Im not sure of how hard it is to build this into the 2.5" hdd bay, I'd prefer not to take up the whole bay and if even be able to keep whatever the minimal chip and wires in a space in the case. I know this is a lot to ask considering I cant do it myself and I do not have the laptop to say where good spaces are. But I would appreciate any and all help or ideas, thanks :)

Posted by aldovisini 5 years ago | last reply 5 years ago


I want to use nerve impulses from muscles as a data input. Answered

I need to find out how to get a nerve impulse isolated and use it as an input.  I beleive a myoelectric electrode with a window comparator may work.  Instead of using an op amp to boost the impluse to run a motor, I want to use the impulse as a data entry signal.  I know that prosthesis use this system and I want to adapt it for signal input.  My goal is to use several nerve impulse sources to be used as a data input device to allow those with CP, or amputations to more easily communicate.  I am trying to bring a very old idea I had 20+ years ago to reality.  I have joined an open source prothesis forum as well as an Arduino forum.  I want to use the Arduino to "translate" the input combinations into a data form that a computer, PDA, or smart phone could use.  I want to keep this open source as I am not interested in a commercial venture. There are basically two steps.  The first is to use an Arduino to convert 5 touch pad inputs into 120 "characters" that are identified with various platforms.  5 inputs will generate 120 combinations (5x4x3x2x1) and that will give me a simple keyboard input.  I have to work up a timing method so that the Arduino will identify when buttons are pushed individually vs at the same time.  Next to have the Arduino generate a digital output that is compatable with a keyboard to keep the application flexible. The next step will be to identify intended muscle nerve signals from background nerve signals and 'filter" out unintentional signals.  Next, the buttons with the myoelectric inputs as the input to the Arduino. My goal is to have a myoelectric (or similar) input device that does not need muscle movement to generate data that is recognized by (practically) all devices.  It could be used for text generation, then voice synthesis, as well as a data signal for motors on the prosthesis to give better control.  Touch screen devices are proving to be a big challenge for those with prosthesis. Thank you, Paul H

Asked by messyworkbench 8 years ago | last reply 8 years ago