1btn – an Open Source Dash
https://hackaday.com/2016/04/29/1btn-an-open-source-dash/
https://hackaday.com/2016/04/29/1btn-an-open-source-dash/
Hackaday
1btn – an Open Source Dash
The availability of cheap radios, omni-present WiFi and powerful web services means the IoT wave is here to stay. Amazon got into the act with its “do only one thing” Dash button. But a…
Line Following Robot Trains Runners
https://hackaday.com/2016/04/30/line-following-robot-trains-runners/
https://hackaday.com/2016/04/30/line-following-robot-trains-runners/
Hackaday
Line Following Robot Trains Runners
Can your line following robot move faster than [Usain Bolt] who has been described as “The World’s Fastest Timed Human”? Puma, the athletic footwear, apparel and accessorie…
Don’t Tempt the Demo Gods
https://hackaday.com/2016/04/30/dont-tempt-the-demo-gods/
https://hackaday.com/2016/04/30/dont-tempt-the-demo-gods/
Hackaday
Don’t Tempt the Demo Gods
Including a live technical demonstration as part of a presentation is a lot like walking a tightrope without a net. Which isn't to say that we don't do it -- we just keep our fingers crossed and bring...
Windows 95 On An Apple Watch
https://hackaday.com/2016/04/30/windows-95-on-an-apple-watch/
https://hackaday.com/2016/04/30/windows-95-on-an-apple-watch/
Hackaday
Windows 95 On An Apple Watch
What happens if the slick user interface and tight iOS integration of your Apple Watch leave you wanting more? A real operating system, from the days when men were men and computers were big grey box...
Megaprocessor is a Macro Microprocessor
https://hackaday.com/2016/04/30/megaprocessor-is-a-macro-microprocessor/
https://hackaday.com/2016/04/30/megaprocessor-is-a-macro-microprocessor/
Hackaday
Megaprocessor Is A Macro Microprocessor
If we have to make a list of Projects that are insane and awesome at the same time, this would probably be among the top three right up there. For the past few years, [James Newman] has been busy b…
Hacklet 105 – More Mind and Brain Hacks
https://hackaday.com/2016/04/30/hacklet-105-more-mind-and-brain-hacks/
https://hackaday.com/2016/04/30/hacklet-105-more-mind-and-brain-hacks/
Hackaday
Hacklet 105 – More Mind And Brain Hacks
A mind is a terrible thing to waste – but an awesome thing to hack. We last visited brain hacks back in July of 2015. Things happen fast on Hackaday.io. Miss a couple of days, and you’l…
Is It A Stepper? Or Is It A Servo?
https://hackaday.com/2016/04/30/is-it-a-stepper-or-is-it-a-servo/
https://hackaday.com/2016/04/30/is-it-a-stepper-or-is-it-a-servo/
Hackaday
Is It A Stepper? Or Is It A Servo?
Almost everyone who is involved with 3D printing thinks to themselves at some point, "this could all be done using a closed-loop system and DC motors". Or at least everyone we know. There's even one c...
Re-Capping An Ancient Apple PSU
https://hackaday.com/2016/04/30/re-capping-an-ancient-apple-psu/
https://hackaday.com/2016/04/30/re-capping-an-ancient-apple-psu/
Hackaday
Re-Capping An Ancient Apple PSU
It sometimes comes as a shock when you look at a piece of hardware that you maybe bought new and still consider to be rather high-tech, and realise that it was made before someone in their mid-twen…
Lint And Dog Hair Supercapacitor
https://hackaday.com/2016/04/30/lint-and-dog-hair-supercapacitor/
https://hackaday.com/2016/04/30/lint-and-dog-hair-supercapacitor/
Hackaday
Lint And Dog Hair Supercapacitor
[Mechanicus] has made a supercapacitor with a claimed 55 Farads per gram of active material. And he’s made it using dryer lint and dog hair. And he’s done it in 24 hours. That’s t…
Has Mankind Gone Too Far With Drone Fishing?
https://hackaday.com/2016/05/01/has-mankind-gone-too-far-with-drone-fishing/
https://hackaday.com/2016/05/01/has-mankind-gone-too-far-with-drone-fishing/
Hackaday
Has Mankind Gone Too Far With Drone Fishing?
Previously man was limited in his ability to fish the waters of this world by the power of his arm or his ability to procure the services of a boat. Now, as long as man is willing to risk a thousand ...
Minimal 433 MHz Web Home Automation
https://hackaday.com/2016/05/01/minimal-433-mhz-web-home-automation/
https://hackaday.com/2016/05/01/minimal-433-mhz-web-home-automation/
Hackaday
Minimal 433 MHz Web Home Automation
How minimal can a decent home automation setup be? If you need an HTML frontend, you’re going to need a webserver. An ESP8266 will do the trick. And then you need to be able to control your e…
Precision CNC With Epoxy Granite
https://hackaday.com/2016/05/01/precision-cnc-with-epoxy-granite/
https://hackaday.com/2016/05/01/precision-cnc-with-epoxy-granite/
Hackaday
Precision CNC With Epoxy Granite
Epoxy granite is an overlooked material when it comes to making home CNC builds. As far as time and money goes, when you add in all the equipment it comes out cheaper than an aluminum casting set-u…
Home Made Diodes From Copper Oxide
https://hackaday.com/2016/05/01/home-made-diodes-from-copper-oxide/
https://hackaday.com/2016/05/01/home-made-diodes-from-copper-oxide/
Hackaday
Home Made Diodes From Copper Oxide
We’re all familiar with semiconductor devices, and we should remember the explanation from high-school physics classes that they contain junctions between two types of semiconductor material.…
WISP Needs No Battery Or Cable
https://hackaday.com/2016/05/01/wisp-needs-no-battery-or-cable/
https://hackaday.com/2016/05/01/wisp-needs-no-battery-or-cable/
Hackaday
WISP Needs No Battery Or Cable
One of the problems with the Internet of Things, or any embedded device, is how to get power. Batteries are better than ever and circuits are low power. But you still have to eventually replace or …
Hackaday Links: May Day, 2016
https://hackaday.com/2016/05/01/hackaday-links-may-day-2016/
https://hackaday.com/2016/05/01/hackaday-links-may-day-2016/
Hackaday
Hackaday Links: May Day, 2016
Humble Bundle is a great way to fill up your Steam library - just pay what you want, and get some indie video games. The Humble Bundle is much more than video games, because No Starch Press just put u...
Shor’s Algorithm In Five Atoms
https://hackaday.com/2016/05/01/shors-algorithm-in-five-atoms/
https://hackaday.com/2016/05/01/shors-algorithm-in-five-atoms/
Hackaday
Shor’s Algorithm In Five Atoms
If you want to factor a number, one way to do it is Shor’s algorithm. That’s a quantum algorithm and finds prime factors of integers. That’s interesting because prime factorizatio…
Upgrading A 20 Year Old PDA
https://hackaday.com/2016/05/01/upgrading-a-20-year-old-pda/
https://hackaday.com/2016/05/01/upgrading-a-20-year-old-pda/
Hackaday
Upgrading A 20 Year Old PDA
Before we had our iDevices and Androids, even before Blackberry, we had PDAs. The most famous of these mid-90s computing appliances are the Apple Newton and the Palm products, but the world of 90s …
Simple Robot Arm With Steppers Has Pleasingly Smooth Motion
https://hackaday.com/2016/05/01/simple-robot-arm-with-steppers-has-pleasingly-smooth-motion/
https://hackaday.com/2016/05/01/simple-robot-arm-with-steppers-has-pleasingly-smooth-motion/
Hackaday
Simple Robot Arm With Steppers Has Pleasingly Smooth Motion
The usual go-to when building a simple robot arm is the ever-pervasive hobby servo. However, these devices are not precise, and are typically jerky and unreliable. They have their advantages, but if s...
Who Needs the MSP430 When You Have TI’s Other Microcontroller, The TI-84?
https://hackaday.com/2016/05/01/who-needs-the-msp430-when-you-have-tis-other-microcontroller-the-ti-84/
https://hackaday.com/2016/05/01/who-needs-the-msp430-when-you-have-tis-other-microcontroller-the-ti-84/
Hackaday
Who Needs the MSP430 When You Have TI’s Other Microcontroller, The TI-84?
We're sure there are more expensive LED controllers out there, but the TI-84 has got to be up there. Unless you have one on hand, then it's free. And then you'll doubtless need an SPI library for the ...
Software Update Destroys $286 Million Japanese Satellite
https://hackaday.com/2016/05/02/software-update-destroys-286-million-japanese-satellite/
https://hackaday.com/2016/05/02/software-update-destroys-286-million-japanese-satellite/
Hackaday
Software Update Destroys $286 Million Japanese Satellite
The Japanese X-ray telescope Hitomi has been declared lost after it disintegrated in orbit, torn apart when spinning out of control. The cause is still under investigation but early analysis points…