This project idea came to me when I was sitting on a bed in a hotel room while on vacation. I thought: "It'd be really neat to have a robotic hand that I can control with my own hand!" Upon returning home, I embarked upon a journey to design and create the project. I hope you enjoy!

Update: First Prize winner in the Instructables 2013 Microcontroller Contest!

The basic components of the hand and glove are the hand itself, the servos, the Arduino, the glove, and the flex sensors. The glove is mounted with flex sensors: variable resistors that change their resistance value when bent. They're attached to one side of a voltage divider with resistors of a constant value on the other side. The Arduino reads the voltage change when the sensors are bent and triggers the servos to move a proportional amount. The servos pull strings that act as tendons, allowing the fingers to move. Here's a video of it in action (


The hand itself comes from an open-source, 3D-printable download. It's part of a project called InMoov: http://inmoov.blogspot.com (http://www.inmoov.fr)

This guide will show you all the steps required to build your own robotic hand and control glove!

Step 1: Gather the Materials

In total, this project will cost about $100-150, depending on where you get the parts. Here is the materials list:

5x MG946R Servos (or equivalent - MG995 or MG996 should work too. I've had a bit of trouble with the range of motion, so servos that support a higher degree of rotation would be better) - I got mine from hobbyking.com, but for a less expensive option I'd go with eBay (they come directly from China, so shipping may take longer).

5x 4.5 inch flex sensors - I got mine here: http://microcontrollershop.com/product_info.php?products_id=3802
1x Arduino Uno or equivalent (they're also much cheaper on eBay)
5x 22k resistors
1x 6.0-7.2V battery (for the servos) - I used this: http://www.all-battery.com/Tenergy7.2V3000mAhRCCarNiMHBatteryPackwithCharger-91103.aspx

1x small breadboard
1x Standard Tamiya battery connector - something like this: http://www.batteryspace.com/Connector/Adaptor-Standard-Female-Tamiya-with-14-AWG-Silicon-wire.aspx

Breadboard jumpers/hookup wire
1x small blank PCB - I used something like this, only square (RadioShack has since removed the original product, but this should work as well): http://www.radioshack.com/radioshack-printed-circuit-board/2760170.html

1x glove (I used a right-hand glove - should be sturdy and fit well)
1x 8mm diameter 55mm length bolt
1x 8mm diameter 60mm length bolt
1x 8mm diameter 80mm length bolt
14x 3mm diameter about 20mm length screws
20x 4mm diameter screws (any length between 7mm and 30mm is fine)
Approx. 5 meters of string (should have a high-ish breaking strength) - I used this: http://www.amazon.com/gp/product/B004YWKPCS/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1

Hot glue
Super glue (C.A. glue)
Sandpaper (I used ~220 grit) - a Dremel tool with a sanding head would also work
Needle and thread

A power drill
A soldering iron
Access to a 3D printer

...And you're ready to start!

This is awesome! You really gave me motive enough to study the whole Arduino technology. Thanks a lot mate and .. Congratulations!
Pretty wow dude! <br>Congratulations!
<p>I did exactly what you wrote in your directions, but for some reason it doesn't work. The arduino is on, and the code is uploaded to it, but there is nothing in the &quot;serial monitor&quot; and the servos don't move. (This is my work, but I don't have the hand attached to the servos yet, and i've only connected 4 flex sensors)</p>
I'm not familiar with that type of prototyping board (the blue one where the servos are connected to the batteries), are you sure the connections in it run the way you want them to? The configurations and wiring and everything looks okay though.
<p>I doubled checked again the connections, and now the servos work, but they just turn randomly; they don't respond to the flex sensors. I think my connections are correct, and the code that I am using is the code that I copied from the file that you attached. </p>
<p>thank you your a science fair safer</p>
<p>Thank you for the inscrutable. I ended up using the same concept for one of my courses at UNT with the exception of using the TivaLaunchpad from Texas Instruments. The Launchpad uses peripherals which makes the code a bit longer than Arduino but I am more thank willing to share the code for the public if anybody is interested.</p>
<p> need code plzzzzz</p>
<p>could i get the code to look at? for launchpad?</p>
<p>Can you email me please? Luiseachherrera1@icloud.com</p><p>im doing this project for a competition with my group and i feel like we're gonna need your help. Please and thank you </p>
how can i buy it?and what will be the price?
<p>Thank you for the inscrutable. I ended up using the same concept for one of my courses at UNT with the exception of using the TivaLaunchpad from Texas Instruments. The Launchpad uses peripherals which makes the code a bit longer than Arduino but I am more thank willing to share the code for the public if anybody is interested. </p>
<p>first off all thank you <a href="https://www.instructables.com/member/dschurman/" rel="nofollow">dschurman</a> for this nice project , I am working on the same project but i have problem with servos , i have tried servo (<a href="https://www.google.com.tr/aclk?sa=l&ai=CTdrOKYI-Vpz9L-n3ywOPr4LIBP_Ss-YG97OMtNoBx8SPp6YCCAYQASgCYJmGn4a8IaAB8fTF2QPIAQepAlOmQqaM_5Y-qgQmT9CIqsoGrroNEqq0cNI7IAQFcDJeET-d_g6IrWXBE-UysTlODb3ABQWgBiaAB_eKuiaIBwGQBwKoB6a-G9gHAeASorK1h9j4_rYx&sig=AOD64_1VO_yTVdOKj_HwX_aiOmzebgzt7g&ctype=5&clui=2&q=&ved=0CIMBEPQOahUKEwizuoPttP_IAhUEWiwKHZcHCo8&adurl=http://mktg.gittigidiyor.com/cm/ck/14489-145818-2357-0%3Fkeyword%3D%26mt_id%3D%26cid%3D58375874127%26networkType%3DSearch%26pid%3D79002067527%26type%3Dpla%26mpre%3Dhttp%253A%252F%252Furun.gittigidiyor.com%252Foyuncak%252Ftower-sg90-9g-servo-191160086" rel="nofollow">Tower Sg90 9g Servo</a>) and it was working very well but when i tried to power servo mg996 it just rotated by it self like sweeping without any control,how i can solve this problem thanks in advance .</p>
<p>hi bro..can you help me and provide a data about this in pdf or other..pls</p><p>iabdulhanan@gmail.com</p>
If u get than please send to me <br>Pushpendersaini93@icloud .com
<p>Sorry For Interruption But the same has happened to me you have to do two things <br>first you have to use a battery which can power all servos easily<br>second you have to give arduino separate power</p>
Hmm, I'm not sure what could be causing that. Are you sure you reconnected everything in the right way? Otherwise, checking online might help you more than I can. Sorry.
I made a glove using the long flex sensors from Adafruit. I hot glued 1/4 inch heat shrink to some work gloves and slide the sensors into the heat shrink. I read the sensors with an arduino uno and send servo position commands the 3d printed gand. It was actually very easy to do.
<p>hi slamer can you provide data about this project please....?</p>
<p>What kind of data are you asking for?</p>
I need data code fir arduino
Here is the video<br>https://youtu.be/vgytoMCJ-Ns
Cool! Did you use this Instructable for guidance or was this your own endeavor?
<blockquote>During my reasearch I did look at this Instructable and several other deisgns on Youtube and the Internet. I found this post to be useful and I would like to thank your posting it. That is how I usually start a new project. It's good to see what others have done and what has worked for them. Then I try some of my own ideas as well. I just built a second Data Glove for the Left hand and it is working just like the first one. We really live in interesting times were open source knowlege can be shared instantly with other Makers everywhere. Good times...</blockquote>
<p>Wow, that sounds really awesome. I want to learn how to build things like this, but I've never been able to. You seem to be very educated and inspirational! Do you have any idea where I should start? Perhaps something small that doesn't require the use of a 3D printer?</p>
<p>Thanks for the great tutorial. </p><p>When I move a finger, all of the servos move instead of just the one corresponding with the finger I moved. Any idea how to fix this?</p>
i think i gt ur pblm it is probably in code check ur code
Sounds like that's either a problem with the code or your connections. Do you have each servo connected to the correct Arduino output pins?
<p>Yeah, I have made sure all the servos are correctly connected and I used the exact code you provided for the tutorial.</p>
<p>please can some body provide me the programme for this exact experiment? </p>
<p>As you bend your fingers, is there any feedback given to your hand? For example, does it vibrate or indicate in some way that the robotic hand is moving as well? And if not, would there only need to be a change in code to have that vibration feedback or is there another motor or sensor that must be added to the glove? </p><p>Thank you in advance. </p>
Unfortunately, the flex sensors are only sensors and can't be programmed to move, so you would need an extra piece of physical hardware.
<p>please email me the details of the project</p>
<p>Hii. Its really Awesome..!<br>can i know where can i get the whole material and coding of the glove and total investment for each kit?<br><br>i want to make a workshop over it to my students.</p>
<p>Is there a code for the circuits? </p>
where i can get that mechanical part of hand...coz i dont have 3d printer..
where i can get that mechanical part of hand...coz i dont have 3d printer..
<p>My MG946R servos overheated and burned out. Any ways I can fix it?</p>
I made this to test the strength of my servo motors before putting them on a prosthetic hand. Thanks it's a huge help.
<p>I Can not find robpart4v2.stl .. can anyone help me out?</p>
mukulsunda@gmail.com<br>☝☝My email id please massage the code and i want to ask you many things about this projects
Please reply and help me.
I face problem to use servo with flex sensor. When i set up all the electronic and then upload the code the servo start to vibrate as i touch the A0 wire. Please help me !! I realy need to build this project. Thank you.<br>
<p>I did this very project back in 2009 without a 3d printer and with a Cypress Semiconductor PSoC1 chip. Instead of a 3D printed hand, I made mine out of wood. I would recommend a PSOC 4 or 5 nowadays over the arduino. Such a better platform... </p>
<p>Hello can you please send the code for this to suraj.ranganath@gmail.com</p>
<p>Unforutnately not. The University of Houston owns the code.</p>
<p>Hello can you please send the code for this to suraj.ranganath@gmail.com</p>
<p>what is arduino code???</p>
<p>also how do you connect the battery to the servos because that was never explained</p>

About This Instructable




Bio: I'm just a high schooler who likes making things. And what's the point of making something if you're the only one who ...
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