Hackaday Podcast Episode 307: CNC Tattoos, The Big Chill in Space, and PCB Things

The answer is: Elliot Williams, Al Williams, and a dozen or so great hacks. The question?  What do you get this week on the Hackaday podcast? This week’s hacks ran from smart ring hacking, to computerized tattoos. Keyboards, PCBs, and bicycles all make appearances, too.

Be sure to try to guess the “What’s that sound?” You could score a cool Hackaday Podcast T.

For the can’t miss this week, Hackaday talks about how to dispose of the body in outer space and when setting your ship’s clock involved watching a ball drop.

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Episode 307 Show Notes:

News:

• Hackaday Europe 2025 Tickets On Sale, And CFP Extended Until Friday

What’s that Sound?

• Take your shot at our trademark sound challenge!

Interesting Hacks of the Week:

• Hacking The 22€ BLE SR08 Smart Ring With Built-In Display
• Do, Dare Or Don’t? Getting Inked By A 3D Printer
  • 3D Printed CNC Wood Burner
• A Closer Look At The Tanmatsu
  • Need A Small Keyboard? Build Your Own!
• Electroplating DIY PCB Vias At Home Without Chemical Baths
• Bicycle Adds Reliability With Second Chain
  • https://patents.google.com/patent/US11655004B2/
• Custom PCB Is A Poor Man’s Pick And Place
• What Is The Hour? It’s XVII O’ Clock

Quick Hacks:

• Elliot’s Picks
  • What Is The Hour? It’s XVII O’ Clock
  • Investigating Electromagnetic Magic In Obsolete Machines
  • Understanding The T12 Style Soldering Iron Tip
• Al’s Picks:
  • The Clever Design Behind Everyday Traffic Poles
  • The Lowest-Effort Way Yet To Make 3D Printed Lenses Clear
  • Communicating With Satellites Like It’s 1957

Can’t-Miss Articles:

• What Happens If You Die In Space?
• Telling Time Used To Be A Ball