Hackaday Podcast · 23 Sept 2022 · 1h 01m · Episode 186
Hackaday editors Elliot Williams and Dan Maloney review a week of hardware hacks, including a load-cell-based cat feeder by Thomas Diaz Wall, a mechanical VU meter percussion instrument by Giskies, and a budget air purifier known as the Corsi-Rosenthal box. They also discuss deep-insert ATM skimmers, a variable capacitor made from soda cans, and a PCB art cube by Noteo Vides. The episode covers the James Webb Space Telescope's Miri instrument friction glitch, a solar flare's impact on radio, and the history of the International Geophysical Year.
makers and hobbyists
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Hosts Christopher and Elecia White discuss their recent experiences judging the Hackaday Prize, highlighting finalists like the Ramen Spectrometer and Chip Whisperer, and review the rapid success of Darma Kickstarter campaign. They also cover the logistics challenges faced by Light Up and the upcoming Peep camera project, while critiquing the technical accuracy of the TV show Scorpion versus the novel The Martian.
John Shook, a manufacturing engineer and hobbyist, discusses his experience as a semifinalist in the Hackaday Prize with a remote water consumption monitor. He details the technical challenges of sensing municipal water meters using a 3-axis magnetometer and the necessity of rigorous documentation to win over judges. Shook also reflects on his past wins in the Mouser 500 Challenge and Circuit Cellar contests, emphasizing the value of open-source hardware and public domain releases for community learning.
Dave Jones of EEVblog and Chris Gammell of Contextual Electronics discuss their upcoming in-person meeting in Australia and New Zealand, highlighting plans for maker meetups and tech tours. Jones details his firmware hack of the Keysight 1000X-Series oscilloscope to unlock higher bandwidth and sample rates, while also noting a footprint error in his Mixy Tube clock project. The conversation shifts to industry news, including the CIA's Vault 7 leaks, the use of silicon carbide electronics for Venus landers, and the security risks of IoT devices like the Cloud Pet teddy bear.
Hosts Chris Gammell and Dave Jones discuss the recent Antares rocket explosion, the Hackaday Prize space trip controversy, and the passing of Tom Maglioli from Car Talk. They also cover U-beam's wireless charging technology, Dr. Greg Shaver's ultrasound chip startup, and DIY projects including a Tony Stark Halloween costume and reflow oven modifications.
Hosts Chris Gammell and Dave Jones celebrate the one-year anniversary of The Amp Hour podcast. They discuss the trend of hackerspaces entering academia, citing Case Western Reserve's 'Think Box' and MIT Media Lab as examples of institutional makerspaces. The conversation shifts to the retro release of the HP 15C Voyager calculator, analyzing its ARM-based architecture and power efficiency, followed by a technical deep dive into power budgeting, DC-DC converter margins, and the reliability of typical vs. worst-case specs. They conclude by reviewing the Texas Instruments TMP006 infrared sensor and critiquing TI's 'Thank an Engineer' marketing campaign.
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