Hackaday Prize 2023: Building a Relay ALU
There’s much truth in the advice that, to truly understand something, you need to build it yourself from the ground up. That’s the idea behind [Christian]’s entry for the Re-engineering
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Author: Dave Rowntree
More Ideas For Setting Up An Electronics Workbench
Setting up an electronics work area is a highly personal and situational affair, with many interesting problems to be solved, and for many of us, significant budget constraints. The requirements
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A 4-Player Arcade Hidden Inside a Coffee Table
[Ed] from 50% Awesome on YouTube wanted to build a retro gaming system with a decent screen size, but doesn’t have a great deal of space to site it in,
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Hackaday Prize 2023: Bolt Bot Micro Servo Droids
This Hackaday prize entry from [saul] is the beginning of a reconfigurable kit of 3D printed parts and servo motors for robotics learning. With just access to a printer, a
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Arctos Robotics: Build A Robot Arm Out Of 3D Printer Spares?
ARCTOS is a 6-DOF robot arm based upon 3D printed mechanics running a modified version of GRBL firmware. Let’s get this straight now, the firmware is open source, but the
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Holograms: The Future of Speedy Nanoscale 3D Printing?
3D printing by painting with light beams on a vat of liquid plastic was once the stuff of science fiction, but now is very much science-fact. More than that, it’s
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CNC Intaglio-Esque Engraving
Intaglio is an ancient carving technique for adding details to a workpiece, by manually removing material from a surface with only basic hand tools. If enough material depth is removed,
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A Low Budget DIY Vibrotactile Stimulator For Experimental CRS
Modern techniques of Coordinated Reset Stimulation (which is usually administered with invasive deep brain stimulation) can have a miraculous effect on those suffering from Parkinson’s disease. However, the CRS technique
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Ploopy Builds Open Source RP2040-Powered Headphones And You Can Too!
We’ve seen many DIY headphones projects on these fair pages over the years, but not many that are quite as DIY as the Ploopy Headphones. What makes this project interesting
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An Open Hardware Automatic Spinning Machine
The team at the Berlin-based Studio HILO has been working on ideas and tools around developing a more open approach to small-scale textile production environments. Leveraging open-source platforms and tools,
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