Showing posts with label arduino. Show all posts
Showing posts with label arduino. Show all posts

Laser Engraver from Discarded DVD Drives with 3D printed Frame

If you have few old DVD drives and an Arduino Uno you can make a simple laser engraver for some 15 USD. The supporting frame can be 3d printed or made from any material you can hack.































Here is the video of the same design with standard frame:





All files can be found at:

http://www.thingiverse.com/thing:375828

Detailed instructions are at:

http://www.instructables.com/id/Pocket-laser-engraver/?ALLSTEPS

3D Printable Transformable Spider Robot

Someone on Instructables posted a full tutorial and files for nice Arduino controlled little transforming spider robot. It walks on its "legs" and drives on the wheels. Cool!

Spiderbot in action:




Detailed construction guide can be found at:

http://www.instructables.com/id/3D-printed-Transformers-Robot-Spiderbot/


Anatomy of the spider transformer:



Hacking and Upgrading Cheap Chinese 3020 and 3040 CNCs

I plan to buy a cheap or even second-hand Chinese 3020 or 3040 CNC mill so I looked around to find a way to improve it with parts I already have like Arduino or some simple electronic upgrades. I found two interesting guides:


Upgrading 3020 (and other models) with Arduino, GRBL and CNC Shield V3




Detailed guide by EricAusome can be found at:

http://www.instructables.com/id/3020-CNC-Arduino-GRBL-CNC-Shield-V3/?ALLSTEPS


John Lauer hacked his 3040 to run with ChiliPeppr and TinyG.


Source: http://hackaday.com/2015/09/08/how-to-upgrade-a-chinese-cnc-machine/




This post will serve as my knowledge base and will be expanded as I gather more CNC hacks.

Water Quality Testing with a Help of a 3D Printer

Since I live in deep rural Croatia surrounded with heavy agriculture, I often wonder abut my drinking water quality. Since a lot of pesticides and fertilizer are used we do have some issues with arsenic or nitrate pollution of water sources. Since water professional water testing is expensive and not the most accessible solution, I googled to see what can be done with hobby electronics and DIY approach.
I found open source water quality testing platform and open source enzymatic-photometric nitrate testing system.





Both machines were developed by By Michigan Tech's Open Sustainability Technology like many other useful open source scientific devices. Casing and structural parts are 3d printed.

Detailed guides, software and manuals can be found at:

http://www.appropedia.org/Open-source_mobile_water_quality_testing_platform

http://www.appropedia.org/Open-Source_Photometric_System_for_Enzymatic_Nitrate_Quantification

Functional 3D Printed Stepper Motor

Proto G published his detailed guide on how to build a 3d printed stepper motor. It is probably not as good as standard ones but it looks very usable for simpler projects.

You will need an Arduino, copper wire, magnets and other non-printable parts but you probably guessed that part.


Here is a video introduction:





Detailed build guide and all the files needed:

http://www.instructables.com/id/3D-Printed-Stepper-Motor/

Great work Proto G!




No cost RepStrap 3d printer made from scrap parts

Reddit user 5ilver posted his no cost 3d printer project. He made it from parts and scrap from his workshop. It uses hot glue pistol sticks. It looks rough and it prints rough but the cost is zero :-)





Full thread and more information on Reddit:

https://www.reddit.com/r/3Dprinting/comments/3auec9/my_zero_buck_hot_glue_printer/

Simple DIY sensor for nozzle clogging and print failure detection

Florian Maurer developed a DIY sensor to register nozzle clogging and print failure.

It is easy to make since it consists of a rotary encoder, some thin foam tape, and some 3D printed parts with Arduino used to listen to the grey code from the rotary encoder and send the data over serial to a Python script.

When the filament slows down or stops due to a nozzle clog, the Python script plays a notification sound to let you know that you should check your nozzle and that your print might fail.


















Project homepage with more details and Python code needed:

http://www.cuddleburrito.com/blog/2015/6/11/preventing-failed-prints-with-filament-feed-encoder-and-arduino


SinapTec ultra cheap DIY 3d printer controller board

Here is a very simple open source controller board you can make yourself even with low skillset.

SinapTec description:
SinapTec AT328.02 is a 3D FDM printer controller board of very low cost, its operation is based on an Arduino Nano running a version of Teacup_Firmware. The board layout is designed so that it can be manufactured by any hobbyist, it is a simple face plate with through-hole components. The board was designed by: vdirienzo. SinapTec its fully open source.
Technical details:
  • 1 Arduino Nano socket.
  • 4 Pololus sockets (X,Y,Z y E)
  • 3 Line in for X_MIN, Y_MIN and Z_MIN endstops.
  • 2 Line in for Hotend and heated bed sensors.
  • 3 Mosfets outputs for Heater, Fan and Bed (this last with independent power supply).

Development forum: http://forums.reprap.org/read.php?276,499849

Detailed wiki: http://www.reprap.org/wiki/SinapTec

Hackaday.io page: https://hackaday.io/project/5957-sinaptec-at32802-is-a-3d-fdm-printer-controller



DIY digitizer with detailed construction guide

Nikolaj Møbius from Fablab RUC developed a simple and cheap DIY digitizer 3d scanner that can record points in a physical space and convert them into a 2D vector drawing for laser cutting or 3D printing.
It is made with three rotary encoders and gets a points measures controlled by Arduino. Since it currently does only measures more suitable for 2D capture it is ideal for CNC or laser cutting with very good results.
Since the software is in early development phase we can expect better 3d scanning or 3d point cloud capture soon.





Check out the project homepage with very detailed build guide and software:

http://fablab.ruc.dk/diy-digitizer/

It looks very easy to build even for the beginners.

Here is the description of current limitations:
So far the system is designed to record a 2D surface and convert it into a PDF vector file. The Z axis is simply ignored in the output. Since the system actually records in a 3D space it is possible to export a 3D object for post processing. This is mainly a matter of implementing a another export method.
However, since the arm is not able to reach around an object in a 3D space it will not be possible to record all the points necessary to make a full 3D object (Update: In the source files we have a version with a rotating platform now). One possible workaround would be to implement a rotating base which would enable the arm to approach the object from all sides. Further, the software is only a usable prototype, but could be evolved into a much more solid tool.
I like the plywood frame arm!




For a similar (but less documented) project look at:

http://diy3dprinting.blogspot.com/2015/05/diy-contact-3d-scanner-with-arduino-and.html

For a really cheap laser and webcam based 3d scanner see Sardauscan:

http://diy3dprinting.blogspot.com/2015/03/sardauscan-is-cheapest-diy-3d-scanner.html

PS:

I was wondering how to convert point cloud in some solid mesh by using free software and I found this tutorial with Meshlab:



How to make a DIY Stewart Platform with 3d printed parts

Stewart platform is a multi-purpuse robotic platform that is movable in six axis. This machine could be used in all sorts of project where you need multiaxial kinematics. I could see it even being used as part of a 3d printer.

Nicholas Pajerski made a tutorial on Instructables describing how to build a desktop Stewart platform with lasercut and 3d printed parts. It is controlled by Arduino and uses linear actuators enabling it to carry heavier loads.




Detailed build guide and all the parts files can be found at:

http://www.instructables.com/id/Six-Axis-Stewart-Platform/

I have a feeling that a field of home manufacturing robotics is entering a very rapid development phase. 3d printers were just the initial phase. 

Here is a much larger MOOG platform controlled by IPad used for flight simulations:



And here is a smaller version doing some balancing:


DIY contact 3D scanner with Arduino and FreeCAD

Here is a nice little 3d scanner made from various scrap parts and Arduino. It is a simple contact 3d scanner that produces a pint cloud in FreeCAD.

It uses only three potentiometers and two steel rods,  and the same potentiometers are also rotational joints. Arduino is sending the current value of the potentiometers to the python script, which calculates the mechanism position and draws the points inside FreeCAD.

This device was developed by Javier Martinez Garcia from Spain.



Here is the video of it in action scanning a toy car:


Project homepage:

http://linuxforanengineer.blogspot.com/2014/12/freecad-mechanical-3d-scanner-using.html

Hopefully Javier will publish the more detailed plans for it.

Great work Javier!

3D printable open source liquid fuel rocket engine

Graham Sortino from New Jersey developed and tested 3d printed rocket liquid fuel engine. He went one step further and open sourced it! The engine is controlled by Arduino Uno! We live in amazing times!
The engine is made from three main modules: the igniter, injector, and the main engine body, all of which were SLS 3D printed by Shapeways and ExOne in bronze steel and machined afterwards to get the exact fit. Post-processing is a problem due to hardness of sintered metal so some tools break, the internal coolant lines are still not possible to 3d print due the geometry complexity and metal powder residues. 

The price is very low: 3d printed igniter costs some $60, the injector $80 and the rocket engine $260, for a total of just $400. Space exploration with extremely low budget!

The engine is still in development and not yet finished but it is a big step forward in open sourcing aerospace engineering! 

Engine specifications:
  • Fuel: GOX / Ethanol
  • Fuel Mass Flow: 0.0545 kg/sec
  • Oxidizer Mass Flow: 0.0545 kg/sec
  • Total Mass Flow: 0.1093 kg/sec
  • Design Mixture Ratio: 1:1
  • Design Force: 50 lbf
  • Design Chamber Pressure: 150 psia
  • Design Temp: 2572 Kelvin
  • Design Specific Impulse: 209 Isp 
Here are some photos of it:

Ignited engine. You can clearly see the mach diamonds.

3D printed engine and main lines / sensors

Here you can see a live test fire and mach diamonds:




Project homepage with files and instructions:

http://wiki.fubarlabs.org/FubarWiki/Small-Liquid-Fueled-Rocket-Engines.ashx

GitHub repository:

https://github.com/gNSortino/OSREngines/tree/master/Engines/2014-GOXEthanolRegenEngine

For previous 3d printed rocket engine named "Tri-D" look at:

http://diy3dprinting.blogspot.com/2013/10/students-developed-and-successfully.html

To boldly go where no one has gone before!


How to make cheap Oculus Rift DK1 clone with help of your 3D printer

OpenVR is a cheap DIY virtual reality headset project based on Oculus Rift DK1 made on a 3d printed frame. It is relatively easy to make and will cost you around 150 USD. Project was developed by Ahmet Yildirim.

Main components:
  • Arduino Mini Pro
  • GY-85 9DOF IMU
  • USB to TTL Converter
  • 5.6” 1280×800 LCD Display
  • 12V Power Adapter for
  • 2x (50mm 5x Aspheric Lenses)
  • 3D Printed Case
  • Shoulder Sponge Pad
  • Some wires
Most of the software is open source.

Headset looks great. I'm huge fan of this '90tis cyberpunk look.




Here is a video of it in action playing Portal:



Detailed build guide with software and setup instructions:

http://www.instructables.com/id/OpenVR-Opensource-Rift-for-only-150/

for all the files look at: https://github.com/ayildirim/OpenVR

And check authors blog at: http://mclightning.com/

Another SF tech coming to relaity :-) Cheap homemade VR head set!

TwinTeeth home manufacturing PCB factory mulitool with 3d printer

There are more and more home manufacturing tools and TwinTeeth is one of the more developed I saw.
It is a multitool reversed Delta machine mainly orientated towards PCB manufacturing but it can serve as 3d printer also. It is fully open sourced with plans so you can easily build it yourself or customize it to your needs. True ability for distributed manufacturing.

It has following functions and exchangeable tool options:
  • UV Laser photoengraving on sensitive film or pre-sensitized boards using an ultraviolet laser.
  • Drilling vias and holes using any mini-rotary tool like Dremel® or Proxxon®.
  • Dispensing solder paste with precision on SMD PCB pads.
  • Plotting circuits with a permanent pen-maker
  • 3D printing knobs, casings, front-panels, even print circuits with conductive filament, or make circuits supports.
  • Milling/Carving soft materials or etching PCB copper with a v-bit (if you prefer this etching method).
TwinTeet core inverse Delta and replaceable toolheads in front of it







Here is a video of it in action:



TwinTeeth technical specifications from the project page:
  • Working area (X,Y,Z): 70x80x60mm reduced considerably to an “Arduino™ shield-size” because it's preferred to do something small but precise. Users rarely create big circuit boards and reducing the working area has some benefits: the robot is cheaper, more precise, more robust, smaller and more manageable. However, it’s scalable, so you can make it bigger if you want.
  • Motion: TwinTeeth is powered by three Nema 17 motors, lead-screws and anti-backlash nuts.
  • Speed: it can go as fast as 1200-1500mm/min.
  • Code: it supports G-Code, postscript and BMP files. Eagle CadSoft can export to postscript format very easily. Support BMP files means than in addition to PCBs it can also print and etch photos on copper, alu or bronze.
  • Laser: using the same PHR-803T optical pickup than DiyouPCB with a wavelength of 405nm.
  • Rastering: the robot draws the PCB circuits in rastering mode in a similar way any paper printer does: moving the laser (or the bed in our case) from one side of the printer to the other.
  • Resolution: In rastering mode it's printing at 600DPI resolution. The laser beam spot is approx. 0.04 wide when is focused. Incredibly thin! Theorically mechanical precision is 0.94um.
  • Auto bed-levelling – it keeps the bed flat with a tolerance of less than 0.01mm while the robot is moving. It’s very important to improve printing quality and provide precision.
  • Auto-Focus: - small focus differences on the PCB surface affect printing quality so implemented a robust focusing system which takes some points on the PCB and extrapolates the results with a bilinear equation. With that info the robot adjusts the focus automatically while printing.
  • Infrared focusing: the auto-focus system uses an infrared laser to avoid film blurring. Films or presensitized boards are only sensible to ultraviolet light.
  • Electronics – using the well known combination of Arduino™ Mega + RAMPS 1.4 + A4988 Motor Drivers. Improved the Pickup Driver Circuit developed for DiyouPCB and now it includes new features.
  • Precision fixture bed – it is very important to keep the PCB fixed to the bed while the robot is moving. Also, when printing two-sided PCBs you have to be sure that both sides are correctly aligned. TwinTeeth includes a precision aluminium fixture bed and dowel pins which allow correct fixing and positioning of the PCBs. A stencil is also included which helps to drill the PCB’s 4-positions holes.
  • Camera – included a small USB camera because it is difficult to see tiny details on high-density PCBs. The camera is also useful to set the home position which is very important to obtain accuracy.
  • 3D Printing:  FFF (Fused Filament Fabrication) with 1.75mm PLA/ABS and a 0.35mm extrusion nozzle. Printing quality is similar to any 3D printer you can find in the market.
TwinTeeth software:
  • TwinTeeth Firmware: deeply modified Marlin firmware to support multiple tools, manage and control the laser, implement the auto-focus system, print in rastering mode, improve the buffering, and much more.
  • TwinTeeth Management Console – TwinTeeth comes with a new easy-to-use management console which includes functionality specially designed for the multi-tool environment. Included functions to calibrate the printer, move the axis (jogging), and adjust the parameters of each tool. This software communicates with the robot through an USB 2.0 port.
  • TwinTeeth Eagle ULPs – developed some ULPs (Eagles’s user language programs) to generate the drilling and paste dispensing g-code files. You can also use the files generated by other ULPs like PCBCode.
  • Eagle Cadsoft – It is a popular electronic CAD software company. They provide a freeware version for non-commercial use. It easily generates the postscript, drilling and solder paste dispensing files which TwinTeeth uses to make the circuits.
  • 3D Slicing software– for 3D printing you can use any slicer software like Slic3R or Cura.

TwinTeeth homepage:

http://www.diyouware.com/front

Since it is an open source project you can get all the files to make it here and start your own home PCB factory:

http://www.diyouware.com/twth_getit


How to build the cheapest DLP SLA 3d printer for under 500$ including projector

This is probably the cheapest DLP SLA 3D printer that you can build yourself for some 500 USD including the projector!

"Little Dipper" has a simple design that anyone can replicate with some basic DIY skills and it makes prints with reasonable quality.
The most expenisve par is the projector which you can get dfor some 350 USd new, but you could probably get it used somewhere. Other parts include simple z axis movement (screw or belt driven) on wood frame and Ramps 1.4 or Arduino controlled electronics.

Simple plastic vat and z axis screw drive

Objects 3d printed on Little Dipper

Objects 3d printed on Little Dipper. You can see the layers, but the quality is still great for the price.

Objects 3d printed on Little Dipper


Little Dipper DIY DLP Sla 3d printer. You can see all the elements with DLP projector on top.

Here is the project description from the makers:

How it works?
A DLP projector is used to cure UV setting resin one layer at a time while a moving axis drops incrementally into the vat of resin. A projected slice cures each layer and builds the part. This style of resin printer is different from a FormLabs 3D printer and some others in two ways.
  1. It uses a DLP projector rather than a laser to cure each layer.
  2. It shines the light source from the top rather than up from the bottom.
Advantages over laser based bottom up and DLP bottom up designs:
  • Simplicity
  • Lower start-up cost
  • Modifiable to bottom up
  • Fast build (~1 evening)
Major Components and Materials:

DLP projector
There are 2 known choices, although others may work.
  1. Acer P1283 DLP Projector
  2. Acer H6510BD DLP HD projector
Linear Slide/Axis

Almost any linear axis that is belt driven or screw driven will work. Project uses a minimal version of this:
http://www.openbuilds.com/builds/v-slot-lead-screw...
A more budget minded and adventurous person could even choose a drawer slide, but you may find that rigidity and smooth sliding in the z-axis will be a useful feature.

4x4 sheet of 1/2in MDF or equivalent material and hardware

The version shown here is as simple as it gets. 2 pices of MDF cut to provide a mount for the axis, projector and stable footing for the machine. Pretty much any kind of enclosure can be designed for this 3D printer. Your main objective is frame rigidity and ambient light blocking.

Ramps 1.4 or Arduino based electronics capable of running at least (1) nema 17 stepper motor
This build features a RAMPS 1.4 board, stepper drivers and an Arduino Mega 2650 with standard Sprinter firmware. There are some basic modifications needed depending on the hardware you choose. None of these modifications constitute needing to know anything in-depth about programming. The firmware used is modified for 5/16 standard threaded rod and has end-stops disabled. You can modify this firmware using the Arduino environment to further suit your needs.

UV Resin

Makerjuice.com, Madesolid.com are the two most seemingly popular and affordable options for UV resin suitable for DIY resin printers such as the one featured in this build. This build has been tested with G+ from Makerjuice. Funtodoo, Form1+ and Spark/Ember resin formulations are likely suitable.

Build Platform and Plastic Tupperware vat

This build includes plans for a build platform that fits a specific set of Tupperware available at "wallyworld". The benefit to the type chosen in this build is that you get a variety of sizes that scale easily, so that extensive design modifications are not needed. You will also need additional containers for post-cure/clean up of your resin parts.

Control Software and Slicer

Creation workshop is used to control and slice 3D models. Download Creation Workshop here.


Here is Instructables page of a project with detailed build guide, software and everything nneded to build it:

http://www.instructables.com/id/Little-Dipper-SLADLP-3D-printer-for-under-500-proj/

This project was developed by Instructables user "marshallpeck". Kudos to you sir! You can also see more at: https://www.facebook.com/protobuilds/ or http://protobuilds.com/ .

All the recent developments in SLA 3d printing make me think that it is the future for home and hobby 3d printing. We need more affordable resin materials and more low cost parts.

UPDATE:

Thanks to Reddit commentator "Panaetius" here is a link where you can start to research on how to hack or prepare a DLP projector for using it for SLA 3d printing. It describes basic concepts and example of modifications to color wheel focus / lens mechanism and UV filters.

http://www.os-rc.com/en/ilios-documentation-page/37-11-projector-modifications

UPDATE:

Chimera is even cheaper SLA DLP machine made from second-hand and scrpa parts for under 60USD:

http://diy3dprinting.blogspot.com/2015/10/chimera-dlp-3d-printer-you-can-build.html




Sardauscan is the cheapest DIY 3d scanner in the world

Sardauscan is probably the cheapest 3d scanner in the world and there is very little space to reduce the price.
You can build this 3d scanner for under 30 USD. It is controlled by cheap Chinese copy of Arduino Nano and you only need two USB ports on your computer to power it. The most expensive part is a Hercules HD Twist webcam.
The Sardauscan is developed by Fabio Ferretti from Belgium and it is open sourced! Great work Fabio!






All the files needed to build it yourself with some instructionscan be found at:

http://www.thingiverse.com/thing:702470

Software to run it (still under development) can be found at:

https://github.com/Sardau/Sardauscan

Detailed building guide on Instructables:

http://www.instructables.com/id/Build-a-30-laser/

Here is the summary Bill Of Materials with estimated prices:
  • Bunch of M3 (16 and 20 mm)
  • Bunch of M4 (12 ans 20 mm)
  • 1x Chinese Arduino Nano (Chinese copy, 4$)
  • 1x Chinese Stepper Motor and controller (5$) 
  • 1-4x Line laser (2.5$ piece) 
  • 1x Hercules HD twist webcam (15$) 
  • 20x20 profile which can be printed: for example http://www.thingiverse.com/thing:280318
  • Optional 3x 4mm roller (0.3$ piece)
  • Total estimated price: 26.5$ (1 laser) to 35$ (4 lasers)
Here is the software showing the scan results:


3d printed RC Mars rover robot

Josef Vladik from Czech Republic designed and 3d printed a remotely controlled Mars robotic rover inspired by Curiosity rover. It is all wheel powered and controlled with Arduino Mega.

Tech specs:
  • main control unit is Ardunio Mega. 
  • for moving six 9g servos re used with metal gears and they are customized for 360 rotation 
  • for steering six standard 9g servos are used 
  • control is standard 4 channels 
  • Powered by 2S or 3S lipo battery - 6V SBEC









Here you can see this DIY rover in action:



... and here is the rover going over the obstacles:



Here is the project homepage (currently unavailable) where the author posted build instructions:

http://www.mochr.ic.cz/index.php?id=rc-rover

Here are all files on Thingiverse:

http://www.thingiverse.com/thing:682828

Here is the updated Mk" version with additional robotic hand gripper:




Update:

NASA released the official 3d model that is 3d printable of their real rover:

http://nasa3d.arc.nasa.gov/detail/mars-rover-curiosity


KUKA robotic arm turned into six axis 3d printer produces self supporting floating structures

While six axis 3d printer is nothing new, they are quit rare. There have been even robotic arms hacked to print in all axis even with metal like MX3D Metal. Still I find this robot to be more aesthetic and organic in operation.
This machine prints self supporting floating structures inspired by spider webs in same ABS like most common DIY 3d printers and it is even Arduino controlled. It is based on KUKA industrial robotic arm and it is developed inside "Digital Future" project.




Project description:
"Digital Future" Shanghai Summer Workshop 2014
Instructor: YU Lei (Tsinghua) / Philip. F. YUAN(Tongji) / Panagiotis Michalatos(GSD)
Collaborator: SHI Ji / LIU Xun / LUO Ruihua / CUI Yuqi
The project, Robotic 6-Axis 3D Printing, is a highly-integrated installation combining robotic system, 3D printing technique and interactive interface. It aims to provide the designer a digital method to eliminate the line between "Designing" and "Fabricating". In this case, architects provides more than just drawings and construction notes, however, they are capable of fabricating their work quickly and precisely by themselves
Most of today's researches and applications of robotic fabrication are limited to replicating human labor and raising efficiency of manufacturing. However, in the project of Robotic 6-Axis 3D Printing, we developed a fabrication strategy learning and emulating the law of nature (referring to Chinese philosophy "师法自然 ").
By studying the material and structure performance of 3D form in nature, we figured out a way to incorporate biomimetic fabrication strategy into 3D printing process. And by designing the special robotic-end effector (Tooling) and utilizing the great flexibility and accuracy of KUKA robot system, the biomimetic fabricating process has been fully realized.
The whole process embodied the concept of "Digital Craftsmanship", which emphasis the personality of designer and allows them to closely integrated "Designing" and "Fabricating".
Here is video of the robotic craftsman in action:



UberBlox construction modules for your home manufacturing machines

UberBlox are modular building blocks for any type of machine ranging from wheeled robot to CNC mill. You can create anything you want.

Pick and Place delta robot made with UberBlox

UberBlox description from the company page:
UberBlox is a new high-quality metal construction set and prototyping system for makers to build rigid structures and automated machines.

At the heart of the system is a new single-connector locking mechanism which uses a common small tool to quickly and precisely lock each block to the next. The firmly connected blocks provide accurate, strong and rigid frames for a wide variety of structures and complex machines such as robots, CNC machines and 3D printers.

In addition to the basic blocks, the system includes a growing catalog of compatible and reconfigurable parts, including moving components, sub-assemblies, motors, electronics and controllers based on popular boards such as Arduino and Raspberry Pi, for a complete solution to the building needs of today's sophisticated maker.

Here is short video overview of UberBlox:



UberBlox homepage: https://uberblox.com/

They will be on KickStarter soon ...



Simple DIY 3d printable insectoid robot powered by Arduino

Here is a simple robotic walker that you can make yourself. It is powered by 9v battery and Arduino Uno controlled. It looks like ideal project for school or beginner robotics learning.
The project is developed by Instructables user Bit-Boy. Kudos Bit!

You will need lots of screws ... like really ...

All the files, code and detailed building instructions can be found here:

http://www.instructables.com/id/3D-Printed-Walking-Robot-Klann-Linkage/?ALLSTEPS

here is a video of this insectoid robot moving:



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