The Amp Hour
An off-the-cuff radio show and podcast for electronics enthusiasts and professionals. Note: this is the "show only" version of the feed. To see the show notes, check out the main podcast feed: https://theamphour.com/feed/

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Syndication

Thu, 17 July 2025
The Amp Hour #698 - Hardware Security with Matt Brown
Direct download: TheAmpHour-698-MattBrown.mp3
Category:general -- posted at: 8:57am CDT
Tue, 8 July 2025
The Amp Hour #697 - LEDs Everywhere with Tim from Mitxela
Direct download: TheAmpHour-697-TimMitxela.mp3
Category:general -- posted at: 8:26pm CDT
Wed, 18 June 2025
The Amp Hour #696 - It Works With Option Number 5
Direct download: TheAmpHour-696-Option5.mp3
Category:general -- posted at: 11:26pm CDT
Tue, 3 June 2025
The Amp Hour - #695 - Making The Invisible, Visible with Sam Aldahar
Direct download: TheAmpHour-695-SamAldahar.mp3
Category:general -- posted at: 11:40pm CDT
Wed, 21 May 2025
The Amp Hour #694 - Voltage, Vibes, and VOCs
Direct download: TheAmpHour-694-VoltageVibesVOCs.mp3
Category:general -- posted at: 7:38pm CDT
Tue, 13 May 2025
The Amp Hour #693 - Small Scale Electronics Manufacturing with Colin O'Flynn
Direct download: TheAmpHour-693-ColinOFlynn.mp3
Category:general -- posted at: 2:00pm CDT
Tue, 15 April 2025
The Amp Hour #692 - Like a steam engine in your house
Direct download: TheAmpHour-692-LikeASteamEngineInYourHouse-J.mp3
Category:general -- posted at: 8:52pm CDT
Mon, 24 March 2025
The Amp Hour #691 - System Designer Lets You Try Every Part with Michael Gielda
Direct download: TheAmpHour-691-SystemDesignerMichaelGielda.mp3
Category:general -- posted at: 1:24pm CDT
Wed, 12 March 2025
The Amp Hour #690 - Clap on, clap off, lights flicker
Direct download: TheAmpHour-690-ClapOnClapOffLightsFlicker.mp3
Category:general -- posted at: 5:52am CDT
Wed, 26 February 2025
The Amp Hour #689 - A Jumperless Breadboard with Kevin Cappucio
Direct download: TheAmpHour-689-KevinCappucio.mp3
Category:general -- posted at: 9:18pm CDT
Tue, 11 February 2025
The Amp Hour #688 - The Tandy Train
Direct download: TheAmpHour-688-TheTandyTrain.mp3
Category:general -- posted at: 9:52pm CDT
Tue, 28 January 2025
The Amp Hour #687 - The RP2350 with the Raspberry Pi Team
Direct download: TheAmpHour-687-RP2350.mp3
Category:general -- posted at: 10:30am CDT
Tue, 21 January 2025
The Amp Hour #686 - A Benchtop Pick and Place with Stephen Hawes
Direct download: TheAmpHour-686-StephenHawesOpuloLumen.mp3
Category:general -- posted at: 7:21am CDT
Mon, 23 December 2024
The Amp Hour #685 - Data Provenance in the Home, Server, and Fab
Direct download: TheAmpHour-685-DataProvenanceHomeServerFab.mp3
Category:general -- posted at: 5:37pm CDT
Mon, 9 December 2024
The Amp Hour #684 - Lee Felsenstein: The Computer Revolution & Counterculture

A full 3 hour discussion with the legendary Lee Felsenstein, designer of the Osborne 1, SOL computer, VDM-1, Pennywhistle modem, and the inventor of social media. Covering everything from the Berkeley free speech movement, the counterculture movement, his career, through to Obsorne and how he invented social media with Community Memory.

His book: https://www.amazon.com/Me-My-Big-Idea...

https://felsensigns.com/

00:00 - Full 3 hour talk with Lee Felsenstein
 08:24 - University of California at Berkeley, and the Free Speech Movement.
 29:04 - First Junior Engineer job at Ampex
 36:20 - The first hackathons with Richard Greenblatt
 37:33 - Hackers, Heros of the computer revolution
 1:03:36 - Techical career at Ampex
 1:12:52 - Atari Computers and Steve Jobs, Nolan Bushnall, and Allan Alcorn
 1:15:00 - He tried to pitch social media to Steve Jobs
 1:22:15 - Designing the Pennywhistle 103 modem +
1:25:36 - Marty Spergel selling kits
 1:31:53 - Steve Wozniak and how the Apple 1 is NOT a personal computer
1:43:42 - Osborne Computers
 1:53:22 - Osborne 1 physical design
 1:57:57 - Osborne 1 development timeline
 2:01:19 - The Osborne Effect wasn't what killed the company

Direct download: 684-LeeFelsenstein.mp3
Category:general -- posted at: 10:43pm CDT
Wed, 20 November 2024
The Amp Hour #683 - Troubleshooting is the skill
Direct download: TheAmpHour-683-TroubleshootingIsTheSkill.mp3
Category:general -- posted at: 9:29am CDT
Tue, 5 November 2024
The Amp Hour #682 - Your Mind Is The Tool
Direct download: TheAmpHour-682-YourMindIsTheTool.mp3
Category:general -- posted at: 10:50pm CDT
Wed, 30 October 2024
The Amp Hour #681 - Compact High Speed Design with Lukas Henkel
Direct download: TheAmpHour-681-CHSDWLukasHenkel.mp3
Category:general -- posted at: 1:04pm CDT
Mon, 21 October 2024
The Amp Hour #680 - Catching Rockets with Musk Sticks
Direct download: Show_680_-_Catching_Rockets_With_Musk_Sticks.mp3
Category:general -- posted at: 6:00am CDT
Thu, 10 October 2024
The Amp Hour #679 - Satellite Design Engineering with Dan Esparon

Dan Esparon from Inovor Technologies in South Australia joins Dave to discuss all about designing and launching satellites!

Direct download: TheAmpHour-679-DanEsparon.mp3
Category:Radio Show -- posted at: 10:17pm CDT
Tue, 1 October 2024
The Amp Hour #678 - All About Antennas with Katerina Galitskaya
Direct download: TheAmpHour-678-KaterinaGalitskaya.mp3
Category:general -- posted at: 11:55am CDT
Mon, 23 September 2024
The Amp Hour #677 - Watt Is The Deal
Direct download: TheAmpHour-677-WattIsTheDeal.mp3
Category:general -- posted at: 12:01pm CDT
Mon, 2 September 2024
The Amp Hour #676 - Moving House (And Lab)
Direct download: TheAmpHour-676-MovingHouseAndLab-Leveled.mp3
Category:general -- posted at: 7:41pm CDT
Thu, 8 August 2024
The Amp Hour #675 - Changing Course with Shawn Hymel
Direct download: TheAmpHour-675-ShawnHymel.mp3
Category:general -- posted at: 7:46pm CDT
Thu, 25 July 2024
The Amp Hour #674 - Turtles as a Service
Direct download: TheAmpHour-674-TurtlesAsAService.mp3
Category:general -- posted at: 9:03am CDT
Mon, 15 July 2024
The Amp Hour #673 - Lifelong Learning with Bitluni
Direct download: TheAmpHour-673-bitluni-sponsored-Jul15.mp3
Category:general -- posted at: 1:42pm CDT
Sun, 30 June 2024
The Amp Hour #672 - Silicon Revolution with Matt Venn
Direct download: TheAmpHour-672-SiliconRevolutionMattVenn.mp3
Category:general -- posted at: 4:00pm CDT
Wed, 19 June 2024
The Amp Hour #671 - NDA Sideshow
Direct download: TheAmpHour-671-NDA_Sideshow.mp3
Category:general -- posted at: 8:04pm CDT
Fri, 14 June 2024
The Amp Hour #670 - Engineering Careers with Circuit Break & James Lewis
Direct download: TheAmpHour-670-EngineeringCareerswithCircuitBreakJamesLewis.mp3
Category:general -- posted at: 8:00am CDT
Thu, 6 June 2024
The Amp Hour #669 - Freelance PCB Design with Petr Dvorak
Direct download: TheAmpHour-669-PetrDvorak.mp3
Category:general -- posted at: 9:52pm CDT
Thu, 30 May 2024
The Amp Hour #668 - 50.0000 Ohms
Direct download: TheAmpHour-668-50.0000-ohms.mp3
Category:general -- posted at: 10:29pm CDT
Thu, 23 May 2024
The Amp Hour #667 - Long Distance with CNLohr-a
Direct download: TheAmpHour-667-LongDistanceWithCNLohr-a.mp3
Category:general -- posted at: 12:00pm CDT
Wed, 8 May 2024
The Amp Hour #666 - Good Energy Citizen
Direct download: TheAmpHour-666-GoodEnergyCitizen.mp3
Category:general -- posted at: 1:07pm CDT
Wed, 24 April 2024
The Amp Hour #665 - Really long needle nose pliers
Direct download: TheAmpHour-665-ReallyLongNeedleNosePliers.mp3
Category:general -- posted at: 9:56pm CDT
Wed, 3 April 2024
The Amp Hour #664 - Simulating doors falling off
Direct download: TheAmpHour-664-SimulatingDoorsFallingOff.mp3
Category:general -- posted at: 10:21pm CDT
Mon, 25 March 2024
The Amp Hour #663 - Motors on PCBs with Carl Bugeja
Direct download: TheAmpHour-663-CarlBugeja.mp3
Category:general -- posted at: 8:17pm CDT
Wed, 20 March 2024
The Amp Hour #662 - The non-Stinky Car
Direct download: TheAmpHour-662-TheNonStinkyCar.mp3
Category:general -- posted at: 8:13am CDT
Sun, 10 March 2024
The Amp Hour #661 - Blogging Electronics with Pallav Aggarwal
Direct download: TheAmpHour-661-PallavAggarwal.mp3
Category:general -- posted at: 10:30pm CDT
Mon, 4 March 2024
The Amp Hour #660 - My toothbrush is broadcasting
Direct download: TheAmpHour-660-MyToothbrushIsBroadcasting.mp3
Category:general -- posted at: 8:45pm CDT
Tue, 20 February 2024
The Amp Hour #659 - Altium...Acquired!
Direct download: TheAmpHour-659-AltiumAcquired.mp3
Category:general -- posted at: 8:27am CDT
Mon, 12 February 2024
The Amp Hour #658 - Uncle Al's Eating Garbage Again
Direct download: TheAmpHour-658-UncleAlsEatingGarbageAgain.mp3
Category:general -- posted at: 9:36pm CDT
Mon, 5 February 2024
The Amp Hour #657 - Automating the Home with Keith Burzinski
Direct download: TheAmpHour-657-KeithBurzinski.mp3
Category:general -- posted at: 3:45pm CDT
Mon, 22 January 2024
The Amp Hour #656 - Pneumatic Tubes, Straight To The Home
Direct download: TheAmpHour-656-PneumaticTubesStraightToTheHome.mp3
Category:general -- posted at: 2:37pm CDT
Mon, 8 January 2024
The Amp Hour #655 - The Twelfth Day of Keyzermas
Direct download: TheAmpHour-655-TheTwelfthDayOfKeyzermas.mp3
Category:general -- posted at: 8:54pm CDT
Mon, 18 December 2023
The Amp Hour #654 - Pseudo Code...Pseudo Good
Direct download: TheAmpHour-654-PsuedoCodePseudoGood.mp3
Category:general -- posted at: 10:39pm CDT
Mon, 11 December 2023
The Amp Hour #653 - Benjamin Cabe Nose Zephyr
Direct download: TheAmpHour-653-BejaminCabeNoseZephyr.mp3
Category:general -- posted at: 11:49am CDT
Tue, 28 November 2023
The Amp Hour #652 - For a couple weeks there...
Direct download: TheAmpHour-652-ForACoupleWeeksThere.mp3
Category:general -- posted at: 9:07am CDT
Mon, 20 November 2023
The Amp Hour #651 - Learning Computing with Jeff Geerling
Direct download: TheAmpHour-651-LearningComputingwithJeffGeerling.mp3
Category:general -- posted at: 8:07pm CDT
Sun, 12 November 2023
The Amp Hour #650 - Accessible ASICs with Andreas Olofsson
Direct download: TheAmpHour-650-AccessibleASICsWithAndreasOlofsson.mp3
Category:general -- posted at: 11:06pm CDT
Sun, 5 November 2023
The Amp Hour #649 - Kathy Joseph & The History of the Cathode Ray Tube

Kathy Joseph from Kathy Loves Physics joins Dave on The Amp Hour to discuss history and physics and we end up discussing the intricate history of the development of the Cathode Ray Tube.

Read Kathy's Book The Lightning Tamers: https://tinyurl.com/TheLightningTamers

https://www.youtube.com/@UCYrX5FiWjiPd0JytMh6NX1Q

Forum: https://www.eevblog.com/forum/blog/eevblog-1577-history-of-cathode-ray-tubes-with-kathy-joseph/

00:00 - Kathy Loves Physics
02:45 - Philo Farnsworth, the farmboy who invented television
10:00 - Professor Julius Plucker & Heinrich Ruhmkorff
11:13 - Heinrich Geissler and Geissler tubes
14:28 - Johann Wilhelm Hittorf
16:15 - William Crookes and the Crookes Radiometer
20:00 - Heinrich Hertz
25:00 - Scintillating Scotoma
27:00 - Philipp Lenard
31:25 - Wilhelm Rontgen
38:45 - Mihajlo Pupin
44:00 - Francis Perrin
49:10 - Henri Becquerel
55:39 - Curie Piezoelectric Quartz Balance Electrometer
1:07:46 - Philco & Bob Pease
1:08:44 - Vladimir Zworykin
1:15:12 - Free Energy & Debunking

https://en.wikipedia.org/wiki/Philo_Farnsworth

https://en.wikipedia.org/wiki/Julius_Pl%C3%BCcker
https://en.wikipedia.org/wiki/Heinrich_Daniel_Ruhmkorff
https://en.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler
https://en.wikipedia.org/wiki/Johann_Wilhelm_Hittorf
https://en.wikipedia.org/wiki/William_Crookes
https://en.wikipedia.org/wiki/Crookes_radiometer
https://en.wikipedia.org/wiki/Heinrich_Hertz

https://en.wikipedia.org/wiki/Philipp_Lenard

https://en.wikipedia.org/wiki/Francis_Perrin_(physicist)

https://en.wikipedia.org/wiki/Henri_Becquerel

https://en.wikipedia.org/wiki/Vladimir_K._Zworykin

https://en.wikipedia.org/wiki/Mihajlo_Pupin

https://en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen

https://en.wikipedia.org/wiki/Philco

Direct download: TheAmpHour-649-KathyJoseph.mp3
Category:general -- posted at: 4:36pm CDT
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