How it started: a simple repair job on a Roland drum machine. How it ended: a scratch-built FM drum synth module that’s completely analog, and completely cool. [Moritz Klein]’s journey …read more (https://hackaday.com/2025/04/17/designing-an-fm-drum-synth-from-scratch/)

A Blacksmith Shows Us How To Choose An Anvil
https://hackaday.com/2025/04/17/a-blacksmith-shows-us-how-to-choose-an-anvil/

No doubt many readers have at times wished to try their hand at blacksmithing, but it’s fair to say that acquiring an anvil represents quite the hurdle. For anyone not …read more (https://hackaday.com/2025/04/17/a-blacksmith-shows-us-how-to-choose-an-anvil/)

Rise of the Robots: How Robots Are Changing Dairy Farms
https://hackaday.com/2025/04/17/rise-of-the-robots-how-robots-are-changing-dairy-farms/

Running a dairy farm used to be a rather hands-on experience, with the farmer required to be around every few hours to milk the cows, feed them, do all the …read more (https://hackaday.com/2025/04/17/rise-of-the-robots-how-robots-are-changing-dairy-farms/)

Tiny, Hackable Telepresence Robot for under $100? Meet Goby
https://hackaday.com/2025/04/17/tiny-hackable-telepresence-robot-for-under-100-meet-goby/

[Charmed Labs] are responsible for bringing numerous open-source hardware products to fruition over the years, and their latest device is an adorably small robotic camera platform called Goby, currently crowdfunding …read more (https://hackaday.com/2025/04/17/tiny-hackable-telepresence-robot-for-under-100-meet-goby/)

Track Your Circuits: A Locomotive PCB Badge
https://hackaday.com/2025/04/18/track-your-circuits-a-locomotive-pcb-badge/

This fun PCB from [Nick Brown] features a miniature railroad implemented with 0805-sized LEDs. With an eye towards designing his own fun interactive PCB badge, the Light-Rail began its journey. …read more (https://hackaday.com/2025/04/18/track-your-circuits-a-locomotive-pcb-badge/)

D20-shaped Quasicrystal Makes High-Strength Alloy Printable
https://hackaday.com/2025/04/18/d20-shaped-quasicrystal-makes-high-strength-alloy-printable/

When is a crystal not a crystal? When it’s a quasi-crystal, a paradoxical form of metal recently found in some 3D printed metal alloys by [A.D. Iams et al] at …read more (https://hackaday.com/2025/04/18/d20-shaped-quasicrystal-makes-high-strength-alloy-printable/)

This Week in Security: No More CVEs, 4chan, and Recall Returns
https://hackaday.com/2025/04/18/this-week-in-security-no-more-cves-4chan-and-recall-returns/

The sky is falling. Or more specifically, it was about to fall, according to the security community this week. The MITRE Corporation came within a hair’s breadth of running out …read more (https://hackaday.com/2025/04/18/this-week-in-security-no-more-cves-4chan-and-recall-returns/)

Presence Detection Augments 1930s Home
https://hackaday.com/2025/04/18/presence-detection-augments-1930s-home/