26 May '16, 5am

Hackaday Prize Entry: Robotic Prosthetic Leg Is Open Source And 3D-Printable

We’ve been 3D-printing parts for self-replicating machines before, but we’ve been working on the wrong machines. Software and robotics engineer [David Sanchez Falero] is about to set it right with his Hackaday Prize entry, a 3D-printable, open source, robotic prosthetic leg for humans. [David] could not find a suitable, 3D-printable and customizable prosthetic leg out there, and given the high price of commercial ones he started his own prosthesis project named Drakkar. The “bones” of his design are made of M8 steel threaded rods, which help to keep the cost low, but are also highly available all over the world. The knee is actively bent by a DC-motor and, according to the source code , a potentiometer reads back the position of the knee to a PID loop. While working on his first prototype, [David] quickly found that replicating the shape and complex mechanics of a human fo...

Full article: http://hackaday.com/2016/05/25/hackaday-prize-entry-robot...

Tweets

Hackaday Prize Entry: Open-Source Myoelectric Hand Prosthesis

Hackaday Prize Entry: Open-Source Myoelectric H...

hackaday.com 27 May '16, 5am

In addition to the robotic hand, [Alvaro] is developing his own electromyographic (EMG) interface, the Mumai, which allows...

Hackaday Prize Entry: Worldwide Educational Inf...

hackaday.com 25 May '16, 5am

I dunno… there’s a lot of quality education available on the internet. Kahn academy and edX come to mind. Specifically, if...

Hackaday Prize Entry: Ears On The Back Of Your Head

Hackaday Prize Entry: Ears On The Back Of Your ...

hackaday.com 01 Jun '16, 5am

To fix this problem, he came up with a simple hack, the metrophone. An ultrasonic sensor is hung from a backpack. The user...

Hackaday Prize Entry: You Know, For Kids

Hackaday Prize Entry: You Know, For Kids

hackaday.com 02 Jun '16, 5am

Almost every connector manufacturer sells this, though maybe not in a one-pin format. They’re wire-to-board contacts desig...

Hackaday Prize Entry: Open Source Electrospinning Machine

Hackaday Prize Entry: Open Source Electrospinni...

hackaday.com 22 May '16, 5am

To keep the build affordable and easy to reproduce for other makers, [Douglas] uses available materials and came up with a...

Hackaday Prize Entry: Adding HDMI to Small Displays

Hackaday Prize Entry: Adding HDMI to Small Disp...

hackaday.com 28 May '16, 5am

LCDs come in a lot of sizes, and there’s a lot written about pushing pixel data out to larger displays. Smaller LCDs, like...

Hackaday Prize Entry: Internets Of Energy

Hackaday Prize Entry: Internets Of Energy

hackaday.com 21 May '16, 5am

More and more, the power grid is distributed. Houses have solar panels on their roofs, and where possible, that excess pow...

Hackaday Prize Entry: A Hat For The Headless Li...

hackaday.com 29 May '16, 5am

His solution is a little LCD-pushbutton-hat that sits on the single board computer’s GPIOs along with a Python application...

Find The Source: WiFi Trangulation

hackaday.com 29 May '16, 8am

[Michael] was playing with his ESP8266. Occasionally he would notice a WiFi access point come up with, what he described a...

Hackaday Prize Entry: Glow In The Dark Plotting

hackaday.com 03 Jun '16, 5am

this material has so much potential I built an audio “delay” thingy with a 30mm wide strip attached to a 12″ PVC end cap, ...

Hackaday Prize Entry: Raspberry Pi Zeros And Drones

Hackaday Prize Entry: Raspberry Pi Zeros And Dr...

hackaday.com 30 May '16, 5am

Of course, there are dozens of flight controllers for drones and quads out there, but very few are running Linux, and even...

Hackaday Prize Entry: Industrial Servo Control On The Cheap

Hackaday Prize Entry: Industrial Servo Control ...

hackaday.com 24 May '16, 5am

Stepper motors are good for what they do, open-loop positioning along a grid, but as far as industrial motors go they’re r...

Hack Your Apartment: Keyless Entry with Little Effort

Hack Your Apartment: Keyless Entry with Little ...

hackaday.com 26 May '16, 5pm

A typical buzzer for an apartment complex. If you’ve been to an apartment complex with a locked front door, you’ve seen th...

Hackaday Prize Entry: Germanium Vision

hackaday.com 04 Jun '16, 5am

The first digital cameras didn’t come out of a Kodak laboratory or from deep inside the R&D department of the CIA or Natio...

Hackaday Prize Entry: Tracking #Elephants with ...

hackaday.com 07 Jun '16, 5am

Elephants and people don’t mix as well as you’d hope. Human-elephant conflict causes deaths of both pachyderms and man ali...