Cyclocopter Flies With Eight Spinning Horizontal Wings
https://hackaday.com/2021/08/06/cyclocopter-flies-with-eight-spinning-horizontal-wings/

For conventional vertical takeoff and landing rotors on vertical shafts are the most common solution, as seen in helicopters and multirotors. A much less popular solution is the cyclocopter, which …read more (https://hackaday.com/2021/08/06/cyclocopter-flies-with-eight-spinning-horizontal-wings/)

Hackaday Podcast 130: Upside Down 3D-Printer, Biplane Quadcopter, Gutting a Calculator Watch, and GitHub CoPilot
https://hackaday.com/2021/08/06/hackaday-podcast-130-upside-down-3d-printer-biplane-quadcopter-gutting-a-calculator-watch-and-github-copilot/

Hackaday editors Elliot Williams and Mike Szczys get charged up on the best hacks the week had to offer. The 3D printer design gods were good to us, delivering an …read more (https://hackaday.com/2021/08/06/hackaday-podcast-130-upside-down-3d-printer-biplane-quadcopter-gutting-a-calculator-watch-and-github-copilot/)

Hands-On: Whiskey Pirates DC29 Hardware Badge Blings with RISC-V
https://hackaday.com/2021/08/06/hands-on-whiskey-pirates-dc29-hardware-badge-blings-with-risc-v/

The Whiskey Pirates have once again dropped an excellent electronic badge for DEF CON 29. This is, of course, unofficial, but certainly makes the list of the hottest custom bling …read more (https://hackaday.com/2021/08/06/hands-on-whiskey-pirates-dc29-hardware-badge-blings-with-risc-v/)

A Trio Of Photodiodes Make A Radiation Detector
https://hackaday.com/2021/08/06/a-trio-of-photodiodes-make-a-radiation-detector/

The instinctive reaction when measuring nuclear radiation is to think of a Geiger counter, as the low-pressure gas tube detectors have entered our popular culture through the Cold War. A …read more (https://hackaday.com/2021/08/06/a-trio-of-photodiodes-make-a-radiation-detector/)

Cool Binary Clock Uses Old-School LEDs and a Fancy Graphic PCB
https://hackaday.com/2021/08/06/cool-binary-clock-uses-old-school-leds-and-a-fancy-graphic-pcb/

Ah, the 5mm LED. Once a popular choice, they’ve been supplanted in modernity by smaller SMD components and/or more capable RGB parts in recent years. However, they’re still able to …read more (https://hackaday.com/2021/08/06/cool-binary-clock-uses-old-school-leds-and-a-fancy-graphic-pcb/)

Pen Plotter is About as Simple as It Can Get
https://hackaday.com/2021/08/06/pen-plotter-is-about-as-simple-as-it-can-get/

Sure, we see quite a few plotters and other motion machines, but the one from [DAZ Projects] has the virtual of looking dead simple. The Arduino and CNC shield are …read more (https://hackaday.com/2021/08/06/pen-plotter-is-about-as-simple-as-it-can-get/)

Retro Computers From Paper
https://hackaday.com/2021/08/06/retro-computers-from-paper/