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PODCAST

Embedded

Logical Elegance

I am Elecia White alongside Christopher White. We’re here to chat about the interests, careers, and lives of engineers, artists, educators and makers. Our diverse guest list includes names you may have heard and engineers working quietly in the trenches. Either way, they are knowledgeable, enthusiastic, and inspiring. We’d love to share our enthusiasm for science, technology, engineering, art, and math (STEAM).

technology

All Episodes

01:05:13

400: A Really Long Time

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2022/01/28

Christopher and Elecia celebrate their 400th episode by discussing what has (and hasn’t) changed in embedded systems over the last 9 years

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01:11:22

399: Hey, What's Going On?

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2022/01/21

Jen Costillo joined us to talk about voice acting, reverse engineering, podcasting, and dance. Jen’s podcast is the Unnamed Reverse Engineering Podcast, found in all your usual podcast places. Jen and her co-host Alvaro were on an episode of Opposable Thumbs podcast. Find Jen on Twitter at @RebelbotJen (also @unnamed_show and @catmachinesSF). Rebelbot.com has her blog and Cat Machines Dance is her site devoted to dance (including the mentioned video about dancers and the pandemic). The Hardware

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01:10:17

398: Clocks Get Into Everything

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2022/01/14

Tom Anderson explains radio frequency electronics (RF). Elecia and Christopher try to keep up. We also took a detour into bass guitar electronics. One confusing jargon part is that radio power (in dBm) is discussed as though it is voltage. For example, 10 dBM is 2V peak-to-peak; there is an implied 50 ohm resistor in the P=V*V/R calculation. The the wiki for more about decibel-milliwatts. Tom talked about dollhouses, aka Smith charts (wiki). (We also talked about Bode plots (wiki).) Light travels

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01:13:53

290: Rule of Thumbs (Repeat)

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2022/01/07

We spoke with Phillip Johnston (@mbeddedartistry) of Embedded Artistry about consulting, writing, and learning. In the Embedded Artistry welcome page, there is a list of Phillip’s favorite articles as well as his most popular articles. Some of Phillip’s favorites include: Embedded Rules of Thumb Improving SW with 5 LW Processes Learning from the Boeing 737 MAX saga We also talked about code reviews and some best practices. The Embedded Artistry newsletter is a good way to keep up with

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01:01:52

397: Owl

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2021/12/31

Chris and Elecia ring in the new year with a discussion of projects, hobbies, origami, DMA, music, and the new-and-improved Embedded.fm newsletter... Pepto Bismol can be converted to metal bismuth (YouTube) which can be turned into lovely sculptures. Chris liked his new book, Art of NASA: The Illustrations That Sold the Missions by Piers Bizony. Elecia liked hers, Curved Origami: Unlocking the Secrets of Curved Folding in Easy Steps by Ekaterina Lukasheva Guitar Fart Pedal (Kickstarter) Elecia’s

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43:45

293: Skateboard Tricks (Repeat)

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2021/12/23

Limor Fried of Adafruit spoke with us about engineering, education, and business. Some new boards we talked about include the PyGamer and PyBadge (which also has a lower cost version). TinyUSB, an open and tiny USB stack from Hathach. In addition to the many excellent tutorials there are some interesting business related posts on Adafruit Learn: How to Build a Hardware Startup and How to Start a Hackerspace Want to get more involved with the extensive, wonderful, and supportive Adafruit

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01:10:43

396: Untangle the Mess

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2021/12/17

Uri Shaked shows us Wokwi, his board and processor simulator. We checked out Arduino code in GDB and then looked at his simulator for the Cortex-M0 Raspberry Pi Pico. First, you should totally look at Wokwi.com. As Christopher noted, signing up for an account shows you many other things. Then you can go look at the processors written in TypeScript in Uri’s Github repos: github.com/urish. Find Wokwi on Twitter (@WokwiMakes, Uri is @UriShaked). You can also find Wokwi on Facebook. Uri live-coded

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01:17:45

395: I Can No Longer Play Ping Pong

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2021/12/10

Tyler Hoffman joined us to talk about developing developer tools and how to drag your organization out of the stone age. You can use GDB and Python together? Yes, yes you can. And it will change your debugging habits. (You can find many other great posts from Memfault’s Interrupt blog including one about Unit Testing Basics.) Tyler is a co-founder at Memfault (memfault.com), a company that works on IoT dashboards and embedded tools. On Twitter, Tyler is @ty_hoff and Memfault is @Memfault

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59:27

394: Being Four-Year-Olds

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2021/12/03

Professor HyunJoo Oh of GeorgiaTech spoke to us about paper machines, paper mechanical movements, paper sensors, paper tiny Jansen Strandbeests, and paper art. HyunJoo is a professor at GeorgiaTech. She is the director of the CoDe Craft group. Some of the projects we spoke about can be found on the CoDe Craft Projects page. PaperMech.net has demonstrations of different mechanical movements as well as FoldMecha which shows you what cardboard you need to cut out to make your own mechanical movement,

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58:28

393: Don’t Drive My Baby Off the Table

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2021/11/19

Professor Carlotta Berry from Rose-Hulman Institute of Technology joined us to talk about robotics, PID tuning, engineering education, ethics, her book, and standing up in front of a classroom. Carlotta’s book is Mobile Robotics for Multidisciplinary Study (Synthesis Lectures on Control and Mechatronics). She has a page at Rose-Hulman as well as a personal blog and a consulting site (NoireSTEMinist.com). She is an advocate for BlackInRobotics.org. On Twitter, Carlotta Berry has a personal account

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01:00:13

286: Twenty Cans of Gas (Repeat)

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2021/11/12

Colin O’Flynn (@colinoflynn) spoke with us about security research, power analysis, and hotdogs. Colin’s company is NewAE and you can see his Introduction to Side-Channel Power Analysis video as an intro to his training course. Or you can buy your own ChipWhisperer and go through his extensive tutorials on the wiki pages. ChipWhisperer on Hackaday ColinOFlynn.com Some FPGA resource mentioned: Fpga4fun.com TinyFpga.com MyHdl.org (Python!)

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01:00:12

392: It Was C++ the Whole Time!

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2021/11/04

Debra Ansell joined us to talk about making light up accessories, patenting ideas, and sharing projects. Debra’s project website is geekmomprojects.com, she’s @geekmomprojects on Twitter and Instagram. Her github repo uses the same ID: github.com/geekmomprojects/. We talked about using coin cell batteries as switches. Many other accessories do this but one of our favorites was the Tiny Edge Lit Sphere. Debra’s company is brightwearables.com. She holds patents US10813428B1 and US11092329B2.

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55:48

391: The Lesser of Two Weevils

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2021/10/28

Chris and Elecia chat about their current projects and ideas. Elecia is teaching Making Embedded Systems at Classpert. The course is based on her book with lectures to extend the information, quizzes, homework, mentors, synchronous classes, and a final project. Starting Nov 13th, the first cohort is full but you can join the waiting list. The second cohort starts in February. Elecia is also giving a keynote at Hackaday’s Remoticon! It is Friday Nov 19 and Saturday Nov 20. Tickets are free, get

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01:12:59

390: Irresponsible At the Time

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2021/10/21

Tyler Hoffman joined us to discuss the issues associated with embedded devices at consumer scale. We talked about firmware update, device management, and remote diagnostics for millions of devices. Tyler is a co-founder at Memfault (memfault.com), a company that works on IoT dashboards and embedded tools. (We will invite Tyler back to talk about embedded tools but someone was preparing a lecture on firmware update and device management.) Tyler writes for Memfault’s Interrupt blog which has excellent

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59:32

389: Blobs Are Not Stressful

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2021/10/14

Alpenglow’s Carrie Sundra spoke with us about frivolous circuits, solder live streaming, and yarn. Alpenglow Industries sells frivolous circuits, some pre-built (like FUnicorn) and some are buildables such as the cute but evil heart soldering kits called PS-I Hate You. Carrie’s YouTube channel is alpenglowindustries where she livecasts Wednesday afternoon Pacific Time. You can still watch the Blob Solder sesh with Debra of GeekMomProjects. Please send pictures of your blobs. One of the recent

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01:10:14

275: Don’t Do What the Computer Tells You (Repeat)

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2021/10/07

Janelle Shane (@JanelleCShane) shared truly weird responses from AIs. Her website is AIWeirdness.com where you can find machine-learning-generated ideas for paint colors, ice cream, and cocktails (and many other things). We never said they were good ideas. Janelle’s FAQ will help you get started trying out RNNs yourself. We recommend the Embedded show titles. We talked about BigGAN which generates pictures based on input images. Wikipedia list of animals by number of neurons Janelle’s book is You

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01:01:55

388: Brains Generate EMF

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2021/09/30

Alan Cohen joined us to talk about brain waves, medical product development, open source, and helpful engineering. Alan has been working on VolksEEG (volkseeg.org, github.com/VolksEEG/VolksEEG). This is an EEG (wiki Electroencephalography) which detects brain waves. It uses the TI ADS1299 EEG monitoring chip and the Adafruit Feather nRF52840 Sense. Alan wrote Prototype to Product: A Practical Guide for Getting to Market, published by O’Reilly. He talked about it on a previous episode: 269:

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58:54

387: Bucket of Spiders

Embedded ·

2021/09/23

Chris and Elecia discuss civic duties, the CAN bus, fulfilling Kickstarter orders, and the answers to a series of questions about embedded systems. Elecia was recently introduced to TRIZ inventive principles (wikipedia page) and started reading And Suddenly the Inventor Appeared: TRIZ: Theory of Inventive Problem Solving by Genrich Altshuller. You can support the show by becoming a patron on Patreon: patreon.com/embedded Or your company can sponsor a show, see the Sponsor page of embedded.fm

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01:08:40

235: Imagine That, Suckers! (Repeat)

Embedded ·

2021/09/16

We spoke to author Robin Sloan about his books and near-future science fiction. Robin wrote Mr. Penumbra’s 24 Hour Bookstore and Sourdough. Find Robin on twitter as @robin_____sloan. Robin’s website is robinsloan.com. Go there for some short stories, sign up for his newsletter and check out his new ‘zine (also at wizard.limo). Oh! Don’t forget his blog, including a description of his neural net for audio generation and for writing. Some books Robin suggested: Home: A Short History of an Idea by

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01:20:38

230: What the Hell Is Wrong with Unicorns? (Repeat)

Embedded ·

2021/09/09

Sunshine Jones spoke with us about synthesizers, electronics, and philosophy. Find him on twitter @Sunshine_Jones and instagram at sunshine_jones_ Sunshine’s music is most easily found at TheUrgencyOfChange.com. His writing is at Sunshine-Jones.com. We talked about Sunshine’s User’s Guide to the Roland SE-02. That includes Ahmed, a track produced using only the SE-02. Sunshine also wrote about building a polysynth. The intro music is an excerpt from LELEK, released on Air Texture Vol. V. The exit

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