Knob and Tube Wiring

The Amp Hour · 29 Sept 2020 · 1h 09m · Episode 510

What this episode covers

Dave Jones and Chris Gammell discuss the technical challenges of EV charging infrastructure, including Type 1 vs Type 2 connectors and DC fast charging, while analyzing Tesla's Battery Day announcements on cell manufacturing and material science. They explore embedded firmware development using the Zephyr RTOS and nRF52840 microcontrollers, highlighting the pain of setting up cross-platform toolchains. The conversation also covers historical wiring issues like knob-and-tube and rotted cables, alongside recent open-source hardware announcements from Kosagi and QuickSilicon.

Mentioned

Companies
Tesla, Kosagi, QuickSilicon
Products
Amazon Ring, Hyundai Ioniq, Precursor
Chips
nRF52840, STM32F7
Also
Tel Aviv, Zephyr, FreeRTOS

Other shows on the same ground, closest first.

  • Hackaday Podcast · 55m

    Ep106: Connector Kerfuffle, Tuning Fork Time, Spinach Contact Prints, and Tesla's Permanent Memory

    Hackaday editors Mike Szczys and Elliot Williams discuss a week of hardware hacks, including a 3D-printed wire connector design by Harvey Mudrunchka and a tuning fork clock by Chris Slyka. They analyze the Texas power grid failures caused by freezing natural gas infrastructure and wind turbines, and examine Tesla's recall of pre-2018 Model S vehicles due to eMMC flash memory wear-out from excessive logging. The episode also covers reverse-engineering an air quality meter with Ghidra, spinach-based photo prints, and the use of automotive bedliner to finish 3D prints.

  • Embedded.fm · 1h 09m

    475: Stuffed Animal or Colleague

    Elecia White and Christopher White discuss their experiences with the Zephyr RTOS, highlighting its powerful ecosystem but steep learning curve, particularly regarding the complex build system, Kconfig, and device tree (DTS) configurations. They share specific debugging stories, including a hardware noise issue caused by a jumper cable and a Zephyr driver integration problem where a missing ST module caused build failures. The conversation also covers debugging techniques like rubber-ducking, the limitations of AI tools for embedded code, and career reflections on becoming a senior engineer.

  • The Pragmatic Embedded Podcast · 49m

    Buzzword Bingo (or: which modern technologies make sense for embedded?)

    Hosts Jeff Gable and Luca Ingianni evaluate modern development buzzwords for embedded systems, discussing the applicability of web technologies like Kubernetes and Docker, the nuances of CI/CD pipelines, and the practical adoption of Rust and modern C++. They highlight specific tools such as Memfault, Mender, and Renode for observability and simulation, and analyze the role of AI in both device-side machine learning and developer productivity.

  • The Spark Gap · 1h 19m

    The Spark Gap - Episode 32

    Hosts Carl and Corey revisit topics from their first 31 episodes, discussing the NXP acquisition of Freescale, MakerBot's layoffs, and Tesla's certified pre-owned program and Powerwall. They also analyze the John Deere firmware ownership controversy, the performance trade-offs of No-OS and Lua on microcontrollers, and the evolution of the Raspberry Pi. The episode highlights specific components like NXP current-sensing MOSFETs and the PCA8550 I2C dip switch, while addressing software bugs in Boeing 787 generator control units and the importance of checking simple parts like LDOs.

  • Hackaday Podcast · 1h 08m

    Ep 195: No NABU for You, Self-Assembling 3D Prints, Black Hats Look at EV Chargers

    Hackaday editors Elliot Williams and Tom Nardi discuss a variety of hardware hacks, including a new generation of ATtiny microcontrollers that offer advanced ADC features but have lost the hobbyist-friendly ease of older models. They cover the resurrection of the Nabu PC, a Z-80 based Canadian home computer, and a DIY self-assembling 4D print project using PVA and TPU materials. The episode also highlights the security vulnerabilities of EV chargers, a local AI speech recognition implementation, and the conversion of gas outboard motors to electric.

The summary, chapters and topics are generated from the episode’s audio by this directory, not written by The Amp Hour. The episode itself belongs to its publisher.