Collaborate Disseminate
Part of any self-respecting Smart Home, smart relays are useful for switching and monitoring loads that do not plug into an outlet. This also makes them a lot more integrated, …read more Continue reading The Shelly 2.5 Smart Relay Design Flaw Killing Capacitors
Press brakes are invaluable tools when working with sheet metal, but along with their almost infinite versatility comes a dizzying number of press brake types. After starting with an old-school, …read more Continue reading The Journey of Finding the Right Press Brake
When it comes to designing a mopping robot, there are a number of approaches you can pick from, including just having the movement of the robot push the soggy mop …read more Continue reading The Best Robot Mop System: Flat, Spinning, or Roller?
What’s it like to use a 2002-era Apple eMac all-in-one in 2025? That’s what [MattKC] asked himself after obtaining one of these systems from a seller who ominously mentioned that …read more Continue reading The eMac: Using Apple’s Forgotten Educational Mac in 2025
Resistance standards are incredibly useful, but like so many precision references they require regular calibration, maintenance and certification to ensure that they stay within their datasheet tolerances. This raises the …read more Continue reading How Accurate is a 125 Year Old Resistance Standard?
There are a few types of continuous 3D printing with FDM printers, with a conveyer belt and automatic build plate swapping the most common types. The advantage of build plate …read more Continue reading Testing a Continuous Printing Mod for the Bambu Lab A1 Mini
Following up on user-reported cases of Battle Born LiFePO4 batteries displaying very hot positive terminals, [Will Prowse] decided to buy a brand new one of these LFP batteries for some …read more Continue reading Battle Born LFP Battery Melts With New Problem
When it comes to the term ‘Raspberry Pi clones’, the most that they really clone is the form factor, as nobody is creating clones of Broadcom VideoCore-based SoCs. At least …read more Continue reading Trying Out the Allwinner-Based Walnut Pi SBC
An important aspect in software engineering is the ability to distinguish between premature, unnecessary, and necessary optimizations. A strong case can be made that the initial design benefits massively from …read more Continue reading Optimizing Software with Zero-Copy and Other Techniques
Whenever you buy used computers there is a risk that they come with unpleasant surprises that are not of the insect variant. From Apple hardware that is iCloud-locked with the …read more Continue reading Project Fail: Cracking a Laptop BIOS Password Using AI