Your Next Robot Needs Googly Eyes, And Other Lessons from Disney
https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/

There are so many important design decisions behind a robot: battery, means of locomotion, and position sensing, to name a few. But at a library in Helsinki, one of the most surprising design features for a librarian’s assistant robot was googly eyes. A company called Futurice built a robot for …read more (https://hackaday.com/2019/09/17/your-next-robot-needs-googly-eyes-and-other-lessons-from-disney/)

Keeping Clocks On Time, The Swiss Way
https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/

Could there be a worse fate for a guy with a Swiss accent than to be subjected to a clock that’s seconds or even – horrors! – minutes off the correct time? Indeed not, which is why [The Guy With the Swiss Accent] went to great lengths to keep his …read more (https://hackaday.com/2019/09/17/keeping-clocks-on-time-the-swiss-way/)

Pizza Oven Build Exercises Forgotten Gym Ball
https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/

See, this is what happens when pizza lovers follow their dreams. It probably started innocently enough for [phammy57]—he got a pizza stone, then maybe one of those big rocking pizza cutters. Maybe he even learned how to toss the dough high in the air. But every time [phammy57] slid one …read more (https://hackaday.com/2019/09/18/pizza-oven-build-exercises-forgotten-gym-ball/)

Arduino, Accelerometer, and TensorFlow Make You a Real-World Street Fighter
https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/

A question: if you’re controlling the classic video game Street Fighter with gestures, aren’t you just, you know, street fighting?
That’s a question [Charlie Gerard] is going to have to tackle should her AI gesture-recognition controller experiments take off. [Charlie] put together the game controller to learn more about the …read more (https://hackaday.com/2019/09/18/arduino-accelerometer-and-tensorflow-make-you-a-real-world-street-fighter/)

What’s in a Name? Tales of Python, Perl, and The GIMP
https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/

In the older days of open source software, major projects tended to have their Benevolent Dictators For Life who made all the final decisions, and some mature projects still operate that way. Guido van Rossum famously called his language “Python” because he liked the British comics of the same name. …read more (https://hackaday.com/2019/09/18/whats-in-a-name-tales-of-python-perl-and-the-gimp/)

Superbly Synchronized Servos Swaying Softly
https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/

LEDs and blinky projects are great, and will likely never fade from our favor. But would you look at this sweeping beauty? This mesmerizing display is made from 36 micro servos with partial Popsicle sticks pasted on the arms. After seeing a huge display with 450 servos at an art …read more (https://hackaday.com/2019/09/18/superbly-synchronized-servos-swaying-softly/)

Tool Rolls, The Fabric Design Challenge That Can Tidy Up Any Workshop
https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/

You’ve designed PCBs. You’ve cut, drilled, Dremeled, and blow-torched various objects into project enclosurehood. You’ve dreamed up some object in three dimensions and marveled as the machine stacked up strings of hot plastic, making that object come to life one line of g-code at a time. But have you ever …read more (https://hackaday.com/2019/09/18/tool-rolls-the-fabric-design-challenge-that-can-tidy-up-any-workshop/)

Smart Thermometer Probes First, Asks Questions Later
https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/

As flu season encroaches upon the northern hemisphere, doctor’s offices and walk-in clinics will be filled to capacity with phlegm-y people asking themselves that age-old question: is it the flu, or just a little cold? If only they all had smart thermometers at home that can tell the difference.
Typically, …read more (https://hackaday.com/2019/09/18/smart-thermometer-probes-first-asks-questions-later/)

Stunning 4-Cylinder Solenoid Motor Should Be A Hit With Subaru Fans
https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/

As far as electric propulsion is concerned, the vast majority of applications make use of some kind of rotational motor. Be it induction, universal, brushed or brushless, these are the most efficient ways we have to do mechanical work with electricity. There are other, arcane methods, though – ones which …read more (https://hackaday.com/2019/09/18/stunning-4-cylinder-solenoid-motor-should-be-a-hit-with-subaru-fans/)

Tiny Woodshop Is Packed With Space-Saving Hacks
https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/

Fair warning: once you’ve watched [Stephen]’s tiny workshop tour, you will officially be out of excuses for why you need to expand your workshop. And, once you see his storage and organization hacks, you’ll be shamed into replicating some in whatever space you call home.
[Stephen]’s woodshop is a cozy …read more (https://hackaday.com/2019/09/18/tiny-woodshop-is-packed-with-space-saving-hacks/)

Hackable Ham Radio Multitool Contributes To Long Term Survival Of The Hobby
https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/

Ham radio, especially the HF bands, can be intimidating for aspiring operators, many being put off by the cost of equipment. The transceiver itself is only part of the equation and proper test and measurement equipment can easily add hundreds of dollars to the bill. However, such equipment goes a …read more (https://hackaday.com/2019/09/18/hackable-ham-radio-multitool-contributes-to-long-term-survival-of-the-hobby/)

WiringPi Library To Be Deprecated
https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/

Since the release of the original Raspberry Pi single board computer, the WiringPi library by [Gordon] has been the easy way to interface with the GPIO and peripherals – such as I2C and SPI – on the Broadcom SoCs which power these platforms. Unfortunately, [Gordon] is now deprecating the library, …read more (https://hackaday.com/2019/09/18/wiringpi-library-to-be-deprecated/)

That Game Cartridge Isn’t As Straightforward As You’d Think
https://hackaday.com/2019/09/19/that-game-cartridge-isnt-as-straightforward-as-youd-think/

Classic games consoles played their games from cartridges, plastic bricks that held a PCB with the game code on it ready to be run by the console hardware. You might therefore expect them to be an easy prospect for emulation, given that the code can be extracted from whatever ROM …read more (https://hackaday.com/2019/09/19/that-game-cartridge-isnt-as-straightforward-as-youd-think/)

How Would You Like Your Steak Printed?
https://hackaday.com/2019/09/19/how-would-you-like-your-steak-printed/

An Israeli start-up company, Redefine Meat recently raisedabout $6 million to perfect and commercialize its technology to 3D print meat alternatives, sometimes called alt-meat. The company claims that producing animal protein for consumption is unsustainable but that their product reduces environmental impact by 95% and has other benefits such as …read more (https://hackaday.com/2019/09/19/how-would-you-like-your-steak-printed/)

Solar System Wars: Walmart versus Tesla
https://hackaday.com/2019/09/19/solar-system-wars-walmart-versus-tesla/

It seems like hardly a day goes by that doesn’t see some news story splashed across our feeds that has something to do with Elon Musk and one or another of his myriad companies. The news is often spectacular and the coverage deservedly laudatory, as when Space X nails another …read more (https://hackaday.com/2019/09/19/solar-system-wars-walmart-versus-tesla/)

3D Print A Complete Wind Generator
https://hackaday.com/2019/09/19/3d-print-a-complete-wind-generator/

For many of us our landscapes are dotted with wind turbines, the vast majority of which are horizontally aligned as if they were giant aircraft propellers. A much rarer sight is the vertical wind turbine, which remains a staple of the wind power experimenter. [Troy] and his brother have posted …read more (https://hackaday.com/2019/09/19/3d-print-a-complete-wind-generator/)

Pictorial Guide to the Unofficial Electronic Badges of DEF CON 27
https://hackaday.com/2019/09/19/pictorial-guide-to-the-unofficial-electronic-badges-of-def-con-27/

DEF CON has become the de facto showplace of the #Badgelife movement. It’s a pageant for clever tricks that transform traditional green rectangular circuit boards into something beautiful, unique, and often times hacky.
Today I’ve gathered up about three dozen badge designs seen at DC27. It’s a hint of what …read more (https://hackaday.com/2019/09/19/pictorial-guide-to-the-unofficial-electronic-badges-of-def-con-27/)

Pew Pew in the Palm of Your Hand
https://hackaday.com/2019/09/19/pew-pew-in-the-palm-of-your-hand/

It’s often said that “getting there is half the fun”, and we think that can be just as true when building hardware as it is during the roadtrip to your favorite hacker con. Many of us enjoy the process of planning, designing, and building a new gadget as much as …read more (https://hackaday.com/2019/09/19/pew-pew-in-the-palm-of-your-hand/)

Riding The Nostalgia Train With A 6502 From The Ground Up
https://hackaday.com/2019/09/19/riding-the-nostalgia-train-with-a-6502-from-the-ground-up/

In the very early days of the PC revolution the only way to have a computer was to build one, sometimes from a kit but often from scratch. For the young, impoverished hobbyist, leafing through the pages of Popular Electronics was difficult, knowing that the revolution was passing you by. …read more (https://hackaday.com/2019/09/19/riding-the-nostalgia-train-with-a-6502-from-the-ground-up/)

Analog Gauges Keep An Eye On Computer Performance
https://hackaday.com/2019/09/19/analog-gauges-keep-an-eye-on-computer-performance/

Keeping an eye on your computer’s resource utilization can be useful, particularly if you’re regularly doing computationally intensive tasks. While it’s entirely possible to achieve this with software tools, creating a dedicated hardware monitor can be cool too. [Sasa Karanovic] did just that, with a set of old-school analog gauges. …read more (https://hackaday.com/2019/09/19/analog-gauges-keep-an-eye-on-computer-performance/)