Juggling Machine Listens to the Bounce to Keep Ball in the Air
https://hackaday.com/2018/07/25/juggling-machine-listens-to-the-bounce-to-keep-ball-in-the-air/
https://hackaday.com/2018/07/25/juggling-machine-listens-to-the-bounce-to-keep-ball-in-the-air/
Hackaday
Juggling Machine Listens to the Bounce to Keep Ball in the Air
It’s a seemingly simple task: bounce a ping-pong ball on a wooden paddle. So simple that almost anyone can pick up a ball and a paddle and make a reasonable job of it. Now, close your eyes an…
GTA: San Andreas Radio Earns Six-Star Wanted Level
https://hackaday.com/2018/07/25/gta-san-andreas-radio-earns-six-star-wanted-level/
https://hackaday.com/2018/07/25/gta-san-andreas-radio-earns-six-star-wanted-level/
Hackaday
GTA: San Andreas Radio Earns Six-Star Wanted Level
[Raphaël Yancey] wanted to be able to jam to Bounce FM and Radio:X all the time, without having to steal a car or a street sweeper in San Andreas. As people who like to put on the sad piano buildin…
Talking To Alexa With Sign Language
https://hackaday.com/2018/07/25/talking-to-alexa-with-sign-language/
https://hackaday.com/2018/07/25/talking-to-alexa-with-sign-language/
Hackaday
Talking To Alexa With Sign Language
As William Gibson once noted, the future is already here, it just isn’t equally distributed. That’s especially true for those of us with disabilities. [Abishek Singh] wanted to do somet…
Data Logging Like It’s 1982
https://hackaday.com/2018/07/26/data-logging-like-its-1982/
https://hackaday.com/2018/07/26/data-logging-like-its-1982/
Hackaday
Data Logging Like It’s 1982
If you want to log voltages or resistance these days, no problem. You can buy a multimeter with Bluetooth for a hundred bucks, and if you’re really fancy you can spring for the Fluke with a g…
Radar in Space: The Gemini Rendezvous Radar
https://hackaday.com/2018/07/26/radar-in-space-the-gemini-rendezvous-radar/
https://hackaday.com/2018/07/26/radar-in-space-the-gemini-rendezvous-radar/
Hackaday
Radar in Space: The Gemini Rendezvous Radar
In families with three kids, the middle child always seems to get the short end of the stick. The first child gets all the attention for reaching every milestone first, and the third child will for…
Working on a Startup? New Fund is Building Portfolio from Hard Technology
https://hackaday.com/2018/07/26/working-on-a-startup-new-fund-is-building-portfolio-from-hard-technology/
https://hackaday.com/2018/07/26/working-on-a-startup-new-fund-is-building-portfolio-from-hard-technology/
Hackaday
Working on a Startup? New Fund is Building Portfolio from Hard Technology
Root Ventures just announced it has raised a second fund and is in search of startups to invest the $76,726,900 they now have burning a hole on their balance sheet. Their first fund of $31,415,926.…
This Cetus Printer is Rigged for Silent Running
https://hackaday.com/2018/07/26/this-cetus-printer-is-rigged-for-silent-running/
https://hackaday.com/2018/07/26/this-cetus-printer-is-rigged-for-silent-running/
Hackaday
This Cetus Printer is Rigged for Silent Running
The entry-level 3D-printer market is a rich one, with offerings from many vendors that are surprisingly good. But nothing is perfect, and to hit the $200 price point some compromises are inevitable…
Hackaday Belgrade: Luka Mustafa on Exploiting IoT Niches
https://hackaday.com/2018/07/26/hackaday-belgrade-luka-mustafa-on-exploiting-iot-niches/
https://hackaday.com/2018/07/26/hackaday-belgrade-luka-mustafa-on-exploiting-iot-niches/
Hackaday
Hackaday Belgrade: Luka Mustafa on Exploiting IoT Niches
Ecology is a strange discipline. At its most basic, it’s the study of how living things interact with their environment. It doesn’t so much seek to explain how life works, but rather ho…
Bringing Augmented Reality to the Workbench
https://hackaday.com/2018/07/26/bringing-augmented-reality-to-the-workbench/
https://hackaday.com/2018/07/26/bringing-augmented-reality-to-the-workbench/
Hackaday
Bringing Augmented Reality to the Workbench
[Ted Yapo] has big ideas for using Augmented Reality as a tool to enhance an electronics workbench. His concept uses a camera and projector system working together to detect objects on a workbench,…
An MRI-Safe 3D Printed Pneumatic Stepper Motor
https://hackaday.com/2018/07/26/an-mri-safe-3d-printed-pneumatic-stepper-motor/
https://hackaday.com/2018/07/26/an-mri-safe-3d-printed-pneumatic-stepper-motor/
Hackaday
An MRI-Safe 3D Printed Pneumatic Stepper Motor
You will no doubt have seen those videos where MRI machines suck up all sorts of metallic objects with hilariously disastrous results. The magnetic field in one of these machines can easily pull in…
Dual-Port Memory And Raspberry Pi Team Up For Retro Console Multicart
https://hackaday.com/2018/07/26/dual-port-memory-and-raspberry-pi-team-up-for-retro-console-multicart/
https://hackaday.com/2018/07/26/dual-port-memory-and-raspberry-pi-team-up-for-retro-console-multicart/
Hackaday
Dual-Port Memory And Raspberry Pi Team Up For Retro Console Multicart
There’s something powerful about reliving the experience of using a game console from our personal good old days, especially the tactile memories stored up from hundreds of hours handling a c…
Shining a Light on Hearing Loss
https://hackaday.com/2018/07/26/shining-a-light-on-hearing-loss/
https://hackaday.com/2018/07/26/shining-a-light-on-hearing-loss/
Hackaday
Shining a Light on Hearing Loss
When auditory cells are modified to receive light, do you see sound, or hear light? To some trained gerbils at University Medical Center Göttingen, Germany under the care of [Tobias Moser], the que…
Couch Potato Refined: Self-Rotating TV Uses Plywood Gears
https://hackaday.com/2018/07/26/couch-potato-refined-self-rotating-tv-uses-plywood-gears/
https://hackaday.com/2018/07/26/couch-potato-refined-self-rotating-tv-uses-plywood-gears/
Hackaday
Couch Potato Refined: Self-Rotating TV Uses Plywood Gears
When we first saw [Mikeasaurus’] project to rotate his TV 90 degrees in case he wanted to lay down and channel surf we were ready to be unimpressed. But it grew on us as we read about how he …
ESP8266 Internet Controlled LED Dimmer
https://hackaday.com/2018/07/27/esp8266-internet-controlled-led-dimmer/
https://hackaday.com/2018/07/27/esp8266-internet-controlled-led-dimmer/
Hackaday
ESP8266 Internet Controlled LED Dimmer
There’s no shortage of debate about the “Internet of Things”, largely centered on security and questions about how much anyone really needs to be able to turn on their porch light…
Share Bike Surrenders Its Secrets To A Teardown
https://hackaday.com/2018/07/27/share-bike-surrenders-its-secrets-to-a-teardown/
https://hackaday.com/2018/07/27/share-bike-surrenders-its-secrets-to-a-teardown/
Hackaday
Share Bike Surrenders Its Secrets To A Teardown
If you are fortunate enough to live in a tiny settlement of no significance then perhaps you will be a stranger to bike sharing services. In many cities, these businesses have peppered the streets …
The Hot and Cold of Balanced Audio
https://hackaday.com/2018/07/27/the-hot-and-cold-of-balanced-audio/
https://hackaday.com/2018/07/27/the-hot-and-cold-of-balanced-audio/
Hackaday
The Hot and Cold of Balanced Audio
A few summers of my misspent youth found me working at an outdoor concert venue on the local crew. The local crew helps the show’s technicians — don’t call them roadies; they hate…
Animatronic Puppet Takes Cues From Animation Software
https://hackaday.com/2018/07/27/animatronic-puppet-takes-cues-from-animation-software/
https://hackaday.com/2018/07/27/animatronic-puppet-takes-cues-from-animation-software/
Hackaday
Animatronic Puppet Takes Cues From Animation Software
Lip syncing for computer animated characters has long been simplified. You draw a set of lip shapes for vowels and other sounds your character makes and let the computer interpolate how to go from …
Circuit VR: An (Almost) Practical Buck Converter
https://hackaday.com/2018/07/27/circuit-vr-an-almost-practical-buck-converter/
https://hackaday.com/2018/07/27/circuit-vr-an-almost-practical-buck-converter/
Hackaday
Circuit VR: An (Almost) Practical Buck Converter
In the last installment of Circuit VR, we walked around a simplified buck converter. The main simplification was using a constant PWM signal. The result is that the output voltage is a fixed fracti…
Micro-Organisms Give Up the Volts in this Biological Battery
https://hackaday.com/2018/07/27/micro-organisms-give-up-the-volts-in-this-biological-battery/
https://hackaday.com/2018/07/27/micro-organisms-give-up-the-volts-in-this-biological-battery/
Hackaday
Micro-Organisms Give Up the Volts in this Biological Battery
Battery cells work by chemical reactions, and the fascinating Hybrid Microbial Fuel Cell design by [Josh Starnes] is no different. True, batteries don’t normally contain life, but the process…
Custom ATTiny85 Board Powers Kids’ Light Show
https://hackaday.com/2018/07/27/custom-attiny85-board-powers-kids-light-show/
https://hackaday.com/2018/07/27/custom-attiny85-board-powers-kids-light-show/
Hackaday
Custom ATTiny85 Board Powers Kids’ Light Show
We’ve often said that kids with hackers and makers for parents must be some of the luckiest kids in the world. While all the other children have to settle for some mass produced drivel from T…