Elegoo Rapid PETG vs PETG Pro: Same Price, Similar Specs, Which to Buy?
https://hackaday.com/2025/07/19/elegoo-rapid-petg-vs-petg-pro-same-price-similar-specs-which-to-buy/

Even within a single type of FDM filament there is an overwhelming amount of choice. Take for example Elegoo’s PETG filament offerings, which include such varieties like ‘Pro’ and ‘Rapid’. …read more (https://hackaday.com/2025/07/19/elegoo-rapid-petg-vs-petg-pro-same-price-similar-specs-which-to-buy/)

Punch card controlled Cyberdeck Lives In 80s Toy
https://hackaday.com/2025/07/19/punch-card-controlled-cyberdeck-lives-in-80s-toy/

Have you ever seen a toy and said “That wants to be a deck”? [Attoparsec] did, when his eyes fell upon the Little Talking Scholar, a punch card driven toy …read more (https://hackaday.com/2025/07/19/punch-card-controlled-cyberdeck-lives-in-80s-toy/)

PicoGUS adds CD-ROM Emulation to ISA Bus
https://hackaday.com/2025/07/19/picogus-adds-cd-rom-emulation-to-isa-bus/

Everything fails eventually, but moving parts fail fastest of all– and optical drives seemingly more than others, at least in our experience. Even when they work, vintage drives often have …read more (https://hackaday.com/2025/07/19/picogus-adds-cd-rom-emulation-to-isa-bus/)

SymbOS Is a Funhouse mirror look at a future that never was
https://hackaday.com/2025/07/19/symbos-is-a-funhouse-mirror-look-at-a-future-that-never-was/

The Z80 might be decades obsolete and a few years out of production, but it’s absolutely a case of “gone but not forgotten” in the hacker world. Case in point …read more (https://hackaday.com/2025/07/19/symbos-is-a-funhouse-mirror-look-at-a-future-that-never-was/)

Software Defined Retro ROMs
https://hackaday.com/2025/07/19/software-defined-retro-roms/

Here’s something fun from our hacker [Piers]: Software Defined ROMs. In this series of three videos, [Piers] runs us through what a software defined ROM is, how to make them, …read more (https://hackaday.com/2025/07/19/software-defined-retro-roms/)

A Spectrophotometer Jailbreak to Resolve Colorful Disputes
https://hackaday.com/2025/07/19/a-spectrophotometer-jailbreak-to-resolve-colorful-disputes/

The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize colours. This is where spectrophotometers come in: they measure colours …read more (https://hackaday.com/2025/07/19/a-spectrophotometer-jailbreak-to-resolve-colorful-disputes/)

Project Scribe: Receipts for Life
https://hackaday.com/2025/07/20/project-scribe-receipts-for-life/