Laser Noob: Getting Started With the K40 Laser
https://hackaday.com/2018/09/27/laser-noob-getting-started-with-the-k40-laser/
https://hackaday.com/2018/09/27/laser-noob-getting-started-with-the-k40-laser/
Hackaday
Laser Noob: Getting Started With the K40 Laser
Why spend thousands on a laser cutter/engraver when you can spend as little as $350 shipped to your door? Sure it’s not as nice as those fancy domestic machines, but the plucky K40 is the lit…
RTL-SDR Paves Way To Alexa Controlled Blinds
https://hackaday.com/2018/09/27/rtl-sdr-paves-way-to-alexa-controlled-blinds/
https://hackaday.com/2018/09/27/rtl-sdr-paves-way-to-alexa-controlled-blinds/
Hackaday
RTL-SDR Paves Way To Alexa Controlled Blinds
You’d be forgiven for occasionally looking at a project, especially one that involves reverse engineering an unknown communication protocol, and thinking it might be out of your league. We…
Sorting LEGO Is Like Making A Box Of Chocolates
https://hackaday.com/2018/09/27/sorting-lego-is-like-making-a-box-of-chocolates/
https://hackaday.com/2018/09/27/sorting-lego-is-like-making-a-box-of-chocolates/
Hackaday
Sorting LEGO Is Like Making A Box Of Chocolates
Did you know that chocolate candy production and sorting LEGO bricks have something in common? They both use the same techniques for turning clumps of chocolates or bricks into individual ones movi…
Three Part Deep Dive Explains Lattice iCE40 FPGA Details
https://hackaday.com/2018/09/27/three-part-deep-dive-explains-lattice-ice40-fpga-details/
https://hackaday.com/2018/09/27/three-part-deep-dive-explains-lattice-ice40-fpga-details/
Hackaday
Three Part Deep Dive Explains Lattice iCE40 FPGA Details
It is no secret that we like the Lattice iCE40 FPGA. It has a cheap development board and an open source toolchain, so it is an easy way to get started developing low-cost, low-power FPGA designs. …
Antennas That You Install With A Spray-Can
https://hackaday.com/2018/09/27/antennas-that-you-install-with-a-spray-can/
https://hackaday.com/2018/09/27/antennas-that-you-install-with-a-spray-can/
Hackaday
Antennas That You Install With A Spray-Can
With the explosion in cell phones, WiFi, Bluetooth, and other radio technologies, the demand for antennas is increasing. Everything is getting smaller and even wearable, so traditional antennas are…
Sounding A Sour Note Can Save People From A Sour Stomach (Or Worse)
https://hackaday.com/2018/09/28/sounding-a-sour-note-can-save-people-from-a-sour-stomach-or-worse/
https://hackaday.com/2018/09/28/sounding-a-sour-note-can-save-people-from-a-sour-stomach-or-worse/
Hackaday
Sounding A Sour Note Can Save People From A Sour Stomach (Or Worse)
We’ve covered construction of novel music instruments on these pages, and we’ve covered many people tearing down scientific instruments. But today we’ve got something that managed…
Inductance in PCB Layout: The Good, the Bad, and the Fugly
https://hackaday.com/2018/09/28/inductance-in-pcb-layout-the-good-the-bad-and-the-fugly/
https://hackaday.com/2018/09/28/inductance-in-pcb-layout-the-good-the-bad-and-the-fugly/
Hackaday
Inductance in PCB Layout: The Good, the Bad, and the Fugly
When current flows through a conductor it becomes an inductor, when there is an inductor there is an electromagnetic field (EM). This can cause a variety of issues during PCB layout if you don̵…
Maker Faire NY: Developing for the Final Frontier
https://hackaday.com/2018/09/28/maker-faire-ny-developing-for-the-final-frontier/
https://hackaday.com/2018/09/28/maker-faire-ny-developing-for-the-final-frontier/
Hackaday
Maker Faire NY: Developing for the Final Frontier
The cost of getting a piece of hardware into space is now cheaper than ever, thanks in no small part to the rapid progress that’s been made by commercial launch providers such as SpaceX. In t…
Retrotechtacular: Here’s How They Programmed the EDSAC Computer
https://hackaday.com/2018/09/28/retrotechtacular-heres-how-they-programmed-the-edsac-computer/
https://hackaday.com/2018/09/28/retrotechtacular-heres-how-they-programmed-the-edsac-computer/
Hackaday
Retrotechtacular: Here’s How They Programmed the EDSAC Computer
When you write a program for your computer, whether it is a desktop machine, a microcontroller, or a supercomputer, the chances are that you use software tools to help you get the job done. High le…
Give Yourself A Sixth Sense With An Arduino
https://hackaday.com/2018/09/28/give-yourself-a-sixth-sense-with-an-arduino/
https://hackaday.com/2018/09/28/give-yourself-a-sixth-sense-with-an-arduino/
Hackaday
Give Yourself A Sixth Sense With An Arduino
If you carry a smartphone around in your pocket, you have a GPS navigation system, a compass, an altimeter, and a very powerful computer at your fingertips. It’s the greatest navigational dev…
Bot Makes Etch A Sketch Art In One Continuous Line
https://hackaday.com/2018/09/28/bot-makes-etch-a-sketch-art-in-one-continuous-line/
https://hackaday.com/2018/09/28/bot-makes-etch-a-sketch-art-in-one-continuous-line/
Hackaday
Bot Makes Etch A Sketch Art In One Continuous Line
Introduced in 1960 for the princely sum of $2.99 ($25.00 today), Etch A Sketch was to become a standard issue item for the Baby Boomers’ toy box. As enchanting as the toy seems, it’s ha…
Creating Antimatter On The Desktop — One Day
https://hackaday.com/2018/09/28/creating-antimatter-on-the-desktop-one-day/
https://hackaday.com/2018/09/28/creating-antimatter-on-the-desktop-one-day/
Hackaday
Creating Antimatter On The Desktop — One Day
If you watch Star Trek, you will know one way to get rid of pesky aliens is to vent antimatter. The truth is, antimatter is a little less exotic than it appears on TV, but for a variety of reasons …
Faux Aircon Units, Made Entirely From 2D Cuts
https://hackaday.com/2018/09/28/faux-aircon-units-made-entirely-from-2d-cuts/
https://hackaday.com/2018/09/28/faux-aircon-units-made-entirely-from-2d-cuts/
Hackaday
Faux Aircon Units, Made Entirely From 2D Cuts
2D design and part fabrication doesn’t limit one to a 2D finished product, and that’s well-demonstrated in these Faux Aircon Units [Martin Raynsford] created to help flesh out the cyber…
Drill Jig Helps Mount WeMos D1 Mini
https://hackaday.com/2018/09/29/drill-jig-helps-mount-wemos-d1-mini/
https://hackaday.com/2018/09/29/drill-jig-helps-mount-wemos-d1-mini/
Hackaday
Drill Jig Helps Mount WeMos D1 Mini
As far as ESP8266 boards go, the WeMos D1 Mini is a great choice if you’re looking to get started with hackerdom’s microcontroller du jour. It’s small, well supported, and can be …
These 3D Printed Supports Can Take Hard Use, Thanks to Resin Filling
https://hackaday.com/2018/09/29/these-3d-printed-supports-can-take-hard-use-thanks-to-resin-filling/
https://hackaday.com/2018/09/29/these-3d-printed-supports-can-take-hard-use-thanks-to-resin-filling/
Hackaday
These 3D Printed Supports Can Take Hard Use, Thanks to Resin Filling
Liquid two-part resins that cure into a solid are normally used for casting, and [Cuddleburrito] also found them useful to add strength and rigidity to 3D printed pillar supports. In this case, the…
Maker Faire NY: Cocoa Press Chocolate Printer
https://hackaday.com/2018/09/29/maker-faire-ny-cocoa-press-chocolate-printer/
https://hackaday.com/2018/09/29/maker-faire-ny-cocoa-press-chocolate-printer/
Hackaday
Maker Faire NY: Cocoa Press Chocolate Printer
If you haven’t figured it out by now, the hype over desktop filament printers is pretty much over. But that doesn’t mean there aren’t new avenues worth exploring that use the basi…
Turn a Cheap 3D Printer Into a Cheap Laser Cutter
https://hackaday.com/2018/09/29/turn-a-cheap-3d-printer-into-a-cheap-laser-cutter/
https://hackaday.com/2018/09/29/turn-a-cheap-3d-printer-into-a-cheap-laser-cutter/
Hackaday
Turn a Cheap 3D Printer Into a Cheap Laser Cutter
We know it’s hard to hear it, but the days of you being a hotshot at the local Hackerspace because you’ve got a 3D printer at home are long gone. While they’re still one of the mo…
Gesture Control without Fancy Sensors, Just Pots and Weights
https://hackaday.com/2018/09/29/gesture-control-without-fancy-sensors-just-pots-and-weights/
https://hackaday.com/2018/09/29/gesture-control-without-fancy-sensors-just-pots-and-weights/
Hackaday
Gesture Control without Fancy Sensors, Just Pots and Weights
[Dennis] aims to make robotic control a more intuitive affair by ditching joysticks and buttons, and using wireless gesture controls in their place. What’s curious is that there isn’t a…
Walk It Off, Healing Robots
https://hackaday.com/2018/09/29/walk-it-off-healing-robots/
https://hackaday.com/2018/09/29/walk-it-off-healing-robots/
Hackaday
Walk It Off, Healing Robots
For many of us, our first robots, or technical projects, were flimsy ordeals built with cardboard, duct tape, and high hopes. Most of us grow past that scene, and we learn to work supplies which re…