How—And Why—To Avoid Tolerance Stacking In Your Technical Drawings
https://hackaday.com/2018/07/25/how-and-why-to-avoid-tolerance-stacking-in-your-technical-drawings/
https://hackaday.com/2018/07/25/how-and-why-to-avoid-tolerance-stacking-in-your-technical-drawings/
Hackaday
How—And Why—To Avoid Tolerance Stacking In Your Technical Drawings
If you want to have your part designs fabricated, you’re going to need to provide the manufacturer with a technical drawing. Yes, 3D printers and many modern machine tools rely on toolpaths created…
Monoprice Mini Converted to Pick and Place (Kinda)
https://hackaday.com/2018/07/25/monoprice-mini-converted-to-pick-and-place-kinda/
https://hackaday.com/2018/07/25/monoprice-mini-converted-to-pick-and-place-kinda/
Hackaday
Monoprice Mini Converted to Pick and Place (Kinda)
Would you believe that you can take a cheap 3D printer and easily convert it into a full function pick and place machine to help assemble your PCBs? No? Well good, because you can’t. A real p…
Friday Hack Chat: Making Modular Hardware
https://hackaday.com/2018/07/25/friday-hack-chat-making-modular-hardware/
https://hackaday.com/2018/07/25/friday-hack-chat-making-modular-hardware/
Hackaday
Friday Hack Chat: Making Modular Hardware
The future of wireless is decentralized. Mesh-type networks are slowly making their way into the WiFi standard, and soon enough we’ll be dealing with decentralized phones. That’s wirele…
HOPE XII: A FOSS Operating System for e-Readers
https://hackaday.com/2018/07/25/hope-xii-a-foss-operating-system-for-e-readers/
https://hackaday.com/2018/07/25/hope-xii-a-foss-operating-system-for-e-readers/
Hackaday
HOPE XII: A FOSS Operating System For E-Readers
Free and open source software (FOSS) was a recurring theme during many of the talks during the HOPE XII conference, which should probably come as no surprise. Hackers aren’t big fans of being…
An Integrated Electromagnetic Lifting Module for Robots
https://hackaday.com/2018/07/25/an-integrated-electromagnetic-lifting-module-for-robots/
https://hackaday.com/2018/07/25/an-integrated-electromagnetic-lifting-module-for-robots/
Hackaday
An Integrated Electromagnetic Lifting Module for Robots
The usual way a robot moves an object is by grabbing it with a gripper or using suction, but [Mile] believes that electromagnets offer a lot of advantages that are worth exploring, and has designed…
ESP8266 Zelda Heart Responds To Tweets
https://hackaday.com/2018/07/25/esp8266-zelda-heart-responds-to-tweets/
https://hackaday.com/2018/07/25/esp8266-zelda-heart-responds-to-tweets/
Hackaday
ESP8266 Zelda Heart Responds To Tweets
It might not be enough to make you the Hero of Time, but this piece of Hylian interactive art would still be a worthy addition to your game room. [Jeremy Cook] writes in to tell us about how he put…
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…