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@hackadayblog : Adding WiFi To The Acorn Electron
https://hackaday.com/2020/09/25/adding-wifi-to-the-acorn-electron/

In the continuing quest by countless hobbyists to allow every 1980s 8-bit home computer to experience the joys of an online experience that doesn’t involve a 9600 baud modem, [Roland Leurs] has created a cartridge-based module for the Acorn Electron that adds WiFi, which he showed off at the virtual …read more (https://hackaday.com/2020/09/25/adding-wifi-to-the-acorn-electron/

@hackadayblog : DIY Grout Cleaning Machine Does A Good Job
https://hackaday.com/2020/09/24/diy-grout-cleaning-machine-does-a-good-job/

Cleaning tiled floors can be a drag. Getting the tiles themselves clean is bad enough, but often dealing with the grouted joints in between requires more elbow grease and attention to detail. It’s a tedious chore, and thus one ripe for improvement. [Elite Worm]’s cleaning machine is an excellent solution …read more (https://hackaday.com/2020/09/24/diy-grout-c

@hackadayblog : Robotic Worm uses NinjaFlex Filament
https://hackaday.com/2020/09/24/robotic-worm-uses-ninjaflex-filament/

If you think about building a moving machine, you probably will consider wheels or tracks or maybe even a prop to take you airborne. When [nwlauer] found an earthworm in the garden, it inspired a 3D-printed robot that employs peristaltic motion. You can see a video of it moving, below. …read more (https://hackaday.com/2020/09/24/robotic-worm-uses-ninjaflex-filament/)

@hackadayblog : Plaster Annealing 3D Prints for Strength
https://hackaday.com/2020/09/24/plaster-annealing-3d-prints-for-strength/

[Stefan] is always trying to make stronger 3D prints. Annealing can strengthen prints, but often at the expense of the part’s exact dimensions. His latest approach is to embed the prints in plaster and then anneal in an attempt to fuse the plastic together without changing its shape or size. …read more (https://hackaday.com/2020/09/24/plaster-annealing-3d-prints-

@hackadayblog : 3D-Printed Adapter Keeps Your Guitar In Tune And In Style
https://hackaday.com/2020/09/24/3d-printed-adapter-keeps-your-guitar-in-tune-and-in-style/

If you like building or upgrading guitars, you may have already learned the valuable lesson that the devil absolutely is in the detail when it comes to to replacement parts. Maybe you became aware that there are two types of Telecaster bridges right after you drilled the holes through the …read more (https://hackaday.com/2020/09/

@hackadayblog : Textmeter Tells Its Tale
https://hackaday.com/2020/09/24/textmeter-tells-its-tale/

One time-proven method to make a lesson memorable is to make it a story, but that is not easy if your core material is the repair log of a rotted out analog ammeter. Most folks don’t need a 300A meter on their drill press, so [Build Comics] converted it to …read more (https://hackaday.com/2020/09/24/textmeter-tells-its-tale/)

@hackadayblog : In Praise Of The DT830, The Phenomenal Instrument You Probably Don’t Recognise For What It Is
https://hackaday.com/2020/09/24/in-praise-of-the-dt830-the-phenomenal-instrument-you-probably-dont-recognise-for-what-it-is/

If we had to make a guess at the single piece of electronic bench equipment owned by the highest proportion of Hackaday readers, it would not be a budget oscilloscope from Rigol, nor would it be a popular portable soldering iron like the TS100. Instead we’re gue

@hackadayblog : Roller-Based Robot Hand Grasps
https://hackaday.com/2020/09/24/roller-based-robot-hand-grasps/

In a recent International Conference on Robotics and Automation paper, [Shenli Yaun] and some others from Stanford discuss the design of a roller-based robot hand that has many features that mimic the human hand. The key feature is that each of the three fingers has a roller with a small …read more (https://hackaday.com/2020/09/24/roller-based-robot-hand-grasps/)

@hackadayblog : Dynamic Soaring: 545 MPH RC Planes Have No Motor
https://hackaday.com/2020/09/24/dynamic-soaring-545-mph-rc-planes-have-no-motor/

The fastest remote-controlled airplane flight ever recorded took place in 2018, with a top speed of 545 miles/hour. That’s 877 km/h, or Mach 0.77!
What was the limiting factor, preventing the pilot-and-designer Spencer Lisenby’s plane from going any faster? The airstream over parts of the wing hitting the sound barrier, …read more (https://ha

@hackadayblog : 3D Print a Piece of Nintendo History Before the Real One is Gone
https://hackaday.com/2020/09/24/3d-print-a-piece-of-nintendo-history-before-the-real-one-is-gone/

Nintendo wasn’t always in the videogames business. Long before Mario, the company was one of the foremost producers of Hanafuda playing cards in Japan. From 1930 until 1959, Nintendo ran its printing business from a four-story art deco style building that featured distinctive plaques at the front entrance. We now …r