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PODCAST · technology

The Spark Gap

by The Spark Gap

Karl and Corey talk about various aspects of embedded electronics, from nuts and bolts design to high-level discussions and debates. We also talk about some of our hobbies surrounding electronics (3D Printing and CNC Routers).New episodes are released Wednesdays.

Publisher-supplied feed metadata · PodParley refreshed Apr 15, 2026 · Source feed

Episodes

  1. The Spark Gap - Episode 53

    Karl and Corey talk about projects they've been working on in their spare time. Corey discusses his ping pong scoreboard's progress and challenges.

  2. The Spark Gap - Episode 52

    Karl and Corey discuss how to work with development kits, specifically on how to best transition from a dev kit to a custom design.

  3. The Spark Gap - Episode 51

    Karl and Corey talk about various ways to protect a design from other devices that can pull too much power, reverse voltage polarity, and otherwise cause damage.

  4. The Spark Gap - Episode 50

    Karl and Corey discuss various means of user input: buttons, rotary encoders, and resistive and capacitive touch sensing.

  5. The Spark Gap - Episode 49

    Karl and Corey talk about their trip to Portland, Oregon and the 2016 Open Hardware Summit.

  6. The Spark Gap - Episode 48

    Karl and Corey are back to talk about design choices you can make when creating schematics and PCB layouts that will make board bring up and debugging much easier.

  7. The Spark Gap - Episode 47

    Karl and Corey discuss the issues with heat in an embedded design, how to prevent it, how to detect it, and how to deal with it.

  8. The Spark Gap - Episode 46

    Karl and Corey discuss the CANbus protocol and the new CAN-FD specification.

  9. The Spark Gap - Episode 45

    Karl and Corey talk about some of the lessons Karl learned (and remembered) at the Signal Integrity Boot Camp at DesignCon.

  10. The Spark Gap - Episode 44

    Karl and Corey air some grievances about Raspberry Pi, "Hoverboards", and PCB layout practices in this grab bag/Festivus episode.

  11. The Spark Gap - Episode 43

    Karl and Corey talk about how knowledge of electronics can cause headaches when looking at products and crowd-funding campaigns.

  12. The Spark Gap - Episode 42

    Karl and Corey finishing talking with Chris Gammell about parts.io and selecting the right op-amp for a given application. (Part 2 of 2)

  13. The Spark Gap - Episode 41

    Karl and Corey are joined by Chris Gammell to talk about how to pick the right op-amp. Part 1 of 2.

  14. The Spark Gap - Episode 40

    Karl and Corey are back! Join them as they talk about design choices and gotchas involving connectors.

  15. The Spark Gap - Episode 39

    Karl and Corey depart from hardware to talk about one of the more interesting bits of firmware, pointers.

  16. The Spark Gap - Episode 38

    Karl and Corey talk about the gear they use to bring you this podcast.

  17. The Spark Gap - Episode 37

    Karl and Corey talk about designing projects with the future in mind.

  18. The Spark Gap - Episode 36

    Karl and Corey discuss a few submissions they liked from the Hackaday Prize 2015. Disclaimer: Neither Karl nor Corey are affiliated in any way with the Hakaday Prize selection.

  19. The Spark Gap - Episode 35

    Karl teaches Corey about how cars work and how electronics fit into modern automobiles.

  20. The Spark Gap - Episode 34

    Karl's going to Burning Man. Let's talk about some electronics you might want when camping in the desert.

  21. The Spark Gap - Episode 33

    Karl and Corey explore the analog world a bit by discussing Analog to Digital and Digital to Analog Converters.

  22. The Spark Gap - Episode 32

    Karl and Corey revisit topics from the past 31 episodes.

  23. The Spark Gap - Episode 31

    Karl and Corey talk about different displays you can use in embedded systems.

  24. The Spark Gap - Episode 30

    Karl and Corey discuss various ways to switch on power to circuits.

  25. The Spark Gap - Episode 29

    Karl and Corey are joined by Fouad Kiamilev from the University of Delaware to talk about ASIC design and ways to be a more healthy and productive engineer.

  26. The Spark Gap - Episode 28

    Karl and Corey are joined by Andrew Retallack of Crash Bang Prototype to talk about his work with moving people past their reliance on Arduino.

  27. The Spark Gap - Episode 27

    Karl and Corey talk about mess ups, disasters, and other horror stories from their past.

  28. The Spark Gap - Episode 26

    Karl and Corey are joined by Bob Coggeshall of Small Batch Assembly to talk about designing PCBs that will go through SMT at a professional assembly house.

  29. The Spark Gap - Episode 25

    Karl and Corey are joined by James Lewis of Kemet Electronics to talk about capacitors.

  30. The Spark Gap - Episode 24

    Karl and Corey talk about their personal goals for 2015, the future of the podcast, and discuss a few topics on reverse engineering.

  31. The Spark Gap - Episode 23

    Karl and Corey discuss projects they've left unfinished and wonder why this seems to happen so often.

  32. The Spark Gap - Episode 22

    Karl and Corey finish their talk about PCB layout. This part talks about signal layout and some manufacturing details. Part 2 of 2.

  33. The Spark Gap - Episode 21

    Karl and Corey talk about PCB layout and some tips for hobbyists. In this part, component placement and power layout. Part 1 of 2.

  34. The Spark Gap - Episode 20

    Karl and Corey throw out some old boards and discuss lessons learned the hard way.

  35. The Spark Gap - Episode 19

    Corey and Karl discuss the benefits of controlling your embedded product with smart software and simple firmware.

  36. The Spark Gap - Episode 18

    Corey and Karl talk about the popular Serial Communications - Uart, SPI, I2C, and CAN.

  37. The Spark Gap - Episode 17

    Karl and Corey talk about the fascinating topic of In-Circuit Programmers and Debuggers.

  38. The Spark Gap - Episode 16

    Karl and Corey talk about the new Arm Cortex-M7 microcontroller.

  39. The Spark Gap - Episode 15

    Corey and Karl discuss the origins and the future of the Raspberry Pi. They explore how a product with an imperfect beginning can still become a huge success.

  40. The Spark Gap - Episode 14

    Karl and Corey discuss the operation of an Adjustable Constant Current Dummy Load.

  41. The Spark Gap - Episode 13

    Corey and Karl talk about setting up your workbench.

  42. The Spark Gap - Episode 12

    Karl and Corey talk about the advantages and challenges of adding Ethernet capability to an embedded system.

  43. The Spark Gap - Episode 11

    Karl and Corey interview James Snyder about the eLua project.

  44. The Spark Gap - Episode 10

    Karl and Corey wax poetic about the aspects of embedded electronic engineering that can can worsen your mood and waste your time.

  45. The Spark Gap - Episode 9

    Karl and Corey discuss the practice of Manufacturers charging money to unlock built-in features of Test Equipment. They give their opinion on whether unlocking those features by means of “hacking” your equipment is actually stealing. Alternatives to paying exhorbant sums of cash to unlock…

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  46. The Spark Gap - Episode 8

    Karl and Corey welcome guest Jacob Rosenthal to explain the Internet of Things.

  47. The Spark Gap - Episode 7

    Corey and Karl welcome their first guest Rodney McGee to talk about his research in electric vehicles and Vehicle to Grid (V2G) technology.

  48. The Spark Gap - Episode 6

    Corey and Karl explain the different ways to implement USB connectivity on an embedded device, from the physical layer to application layer.

  49. The Spark Gap - Episode 5

    Corey inquires about Karl's hobby, CNC Machining. Karl discusses his CNC Router and the decision that went into it.

  50. The Spark Gap - Episode 4

    Corey and Karl start off their first episode of "The Great Debates!" Corey takes the position that RTOSes for the most part don't belong in single core embeeded systems. Karl takes the position that the advantages of using an RTOS ,even in single core microcontrollers, far exceed their...

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ABOUT THIS SHOW

Karl and Corey talk about various aspects of embedded electronics, from nuts and bolts design to high-level discussions and debates. We also talk about some of our hobbies surrounding electronics (3D Printing and CNC Routers).New episodes are released Wednesdays.

HOSTED BY

The Spark Gap

Produced by Corey Lange

CATEGORIES

Frequently Asked Questions

How many episodes does The Spark Gap have?

The Spark Gap currently has 53 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.

What is The Spark Gap about?

Karl and Corey talk about various aspects of embedded electronics, from nuts and bolts design to high-level discussions and debates. We also talk about some of our hobbies surrounding electronics (3D Printing and CNC Routers).New episodes are released Wednesdays.

How often does The Spark Gap release new episodes?

The Spark Gap has 53 episodes. Check the episode list to see recent publication dates and frequency.

Where can I listen to The Spark Gap?

You can listen to The Spark Gap on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.

Who hosts The Spark Gap?

The Spark Gap is created and hosted by The Spark Gap.
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