Hackaday Podcast Episode 324: Ribbon Microphone From A Gumstick, Texture From a Virtual Log, and a Robot Arm From PVC Kristina Panos | usagoldmines.com

This week, Hackaday’s Elliot Williams and Kristina Panos joined forces to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous week.

In Hackaday news, the 2025 Pet Hacks Contest rolls on, but only for a short time longer. You have until Tuesday, June 10th to show us what you’ve got, so head over to Hackaday.IO and get started now! In other news, check out what adaptive optics can do when it comes to capturing pictures of the Sun. In other, other news, there won’t be a Podcast next week as Elliot is on vacation.

On What’s That Sound, Kristina failed once again, but four of you guessed correctly. Congratulations to [ToyoKogyo12aTurbo] who fared better and wins a limited edition Hackaday Podcast t-shirt!

After that, it’s on to the hacks and such, beginning with a largely-printed 6-DOF robot arm. We take a look at a bunch of awesome 3D prints like guitars and skateboards, take a look at some pet hacks, and discuss brick layers in orcaslicer. Finally, we talk a lot about keyboards, especially the quickly-evaporating Blackberry keyboards and why they’re disappearing.

Check out the links below if you want to follow along, and as always, tell us what you think about this episode in the comments!

Download in DRM-free MP3 and savor at your leisure.

Episode 324 Show Notes:

News:

• Adaptive Optics Take Clearest Pictures Of The Sun Yet
• 2025 Pet Hacks Contest

What’s that Sound?

• Congratulations to [ToyoKogyo12aTurbo] for knowing it was the ping of modern active sonar!

Interesting Hacks of the Week:

• Simulation And Motion Planning For 6DOF Robotic Arm
  • Robotic Arm EB310
• 2025 Pet Hacks Contest: Keep The Prey At Bay With The Cat Valve
• Testing Brick Layers In OrcaSlicer With Staggered Perimeters
• You Can Make Your Own Ribbon Mic With A Gum Wrapper
  • Blue Ribbon Microphone
  • DIY Ribbon Element Upgrades A Studio Microphone
• Add Wood Grain Texture To 3D Prints – With A Model Of A Log
  • Adding Texture To 3D Prints
  • Fuzzy Skin Finish For 3D Prints, Now On Top Layers
  • Texturing 3D prints in IdeaMaker for Strength — CNC Kitchen
• You Wouldn’t Download A Skateboard?

Quick Hacks:

• Elliot’s Picks:
  • Ender 3 Pro Gets A Second Job As A Stator Winder
  • Open Source Watch Movement Really Ticks All The Boxes
  • Passive Saturation Box Is A Cheap Way To Distort Your Sound
    • A Brief Hobbyist Primer On Clipping Diodes
  • Can We Replace A Program Counter With A Linear-Feedback Shift Register? Yes We Can!
• Kristina’s Picks:
  • 2025 Pet Hacks Contest: Weigh Your Dog The Easy Way
  • 3D Printing A Modular Guitar Means It Can Look Like Whatever You Want
  • A CRT Display For Retro Weather Forecasting

Can’t-Miss Articles:

• The Blackberry Keyboard: How An Open-Source Ecosystem Sprouts
• Keebin’ With Kristina: The One With The H.R. Giger Keyboard
  • Old book typewriter Underwood Elliott-Fisher (1930), how to type on books, and why – YouTube

This articles is written by : Nermeen Nabil Khear Abdelmalak

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