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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

47:53

417: I Don’t Know How My Brain Works

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2022/06/16

Alexandra Covor spoke with us about engineering, making, drawing, school, and what it means to be an artist. Alex’s projects are on GitHub and Hackster.io. Her electronics comics can be found as PikaComics on Instagram. The 2022 Open Hardware Summit named Alex as part of the Ada Lovelace Fellowship. Her favorite talk from the summit was Anuradha Reddy talking about Knotty (Naughty) Hardware. Alex works for Zalmotek, a design services firm in Bucharest. We talked about Waylay.io, including their

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51:00

416: EEs Are From PIC, SWEs Are From Arm

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2022/06/09

John Catsoulis is the founder of Udamonic and creator of the Forth-based Scamp development board. He spoke with us about Forth, electrical engineering, and writing a technical book. Find out more about Udamonic’s Scamp at udamonic.com. There are some hardware projects under the Create menu. The Forth programming language is famous for its small size, portability, and post-fix (RPN) nature. John wrote O’Reilly’s Designing Embedded Hardware. While some parts are out of date, the general theory is

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58:46

415: Rolling Computers

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2022/06/02

Lead Solution Architect at Cymotive, Benny Meisels spoke with us about implementing embedded software security in cars. The discussion touches ECUs, IoT vehicles, threat and risk analysis, and how reverse engineering plays a role in security testing. Benny works at Cymotive (https://www.cymotive.com/). You can find him on LinkedIn benny-meisels or on Twitter @benny_meisels. Resources for automotive security: Automotive Security Research Group (ASRG) Upstream Security Hacking a VW Golf Power

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58:01

414: Puff, the Magically Secure Dragon

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2022/05/26

Laura Abbott of Oxide Computing spoke with us about a silicon bug in the ROM of the NXP LPC55, affecting the TrustZone. More information about the two issues are in the Oxide blog: Another vulnerability in the LPC55S69 ROM Exploiting Undocumented Hardware Blocks in the LPC55S69 More about LPC55S6x and their LPC55Sxx Secure Boot Ghidra is a software reverse engineering framework… and it is one of the NSA’s github repositories. Laura will also be speaking about this at Hardwear.io in early

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01:08:45

413: Puppy-Like Glee

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2022/05/19

Chris and Elecia chat about practice, software quality, and empathy for seemingly unmotivated team members. Elecia is teaching another cohort of Making Embedded Systems in the fall, starting late August. There will be reminders between now and then but if you want to sign up, here is the page. The funny and odd music instruction video with the copy-and-paste method of composition. Sign up for the newsletter! Support us on Patreon! Transcript

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01:15:27

412: Inductors Don't Have Feelings

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2022/05/12

Tom Anderson returned to the show to describe how transistors and passives work. We discuss everything from vacuum tubes to diodes to transistors (PNP and NPN) to resistors and capacitors. We search for synonyms among the confusing terminology of cathodes, plates, emitters, anodes, grids, bases, and collectors. This was a tech heavy episode so little bit of brushing up on terms may be useful before (or after): Boltzmann constant Physical constant Vacuum tube Diode logic Diode Push–pull

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01:07:30

411: Batteries Get Upset

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2022/05/05

Ethan Slattery joined us to talk about animals, animal trackers, and how they work. Ethan works for Wildlife Computers. They use the Argos Network for data transfer. He was previously at MBARI and worked with Engineers for Exploration as an undergraduate. Ethan is also known as CrustyAuklet on Twitter and Github. He also has an Instagram page. Things mentioned in the show you might want to know more about: Nautilus Live is a streaming YouTube channel from an ROV exploring the oceans. They have

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01:04:43

305: Humans Have a Terrible Spec Sheet (Repeat)

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2022/04/28

Amanda “w0z” Wozniak spoke with us about her career through biomedical engineering and startups. Amanda contributed a chapter to Building Open Source Hardware: DIY Manufacturing. (A book we spoke with Alicia Gibb about in #289.) Amanda’s chapter was titled Design Process: How to Get from Nothing to Something. For more information about the companies we discussed, check out Amanda’s LinkedIn page.

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51:34

410: Emacs From the Future

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2022/04/21

Chris and Elecia chat about tools, interrupts, and general happenings. Thank you to Newark for supporting the show! The part that was not guessed was an RF FET: MRF1K50HR5. Elecia found MCU on Eclipse (Eric Styger)’s tutorials on Visual Studio Code for C/C++ with ARM Cortex-M (Part 1). Embedded has a Patreon page where you can get access to the Slack group. The book club is starting Prototype to Product: A Practical Guide for Getting to Market by Alan Cohen. Wokwi Raspberry Pi Pico projects

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59:02

409: A Better World

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2022/04/14

Dr. Shirley Davis spoke with us about her book: Diversity, Equity & Inclusion For Dummies. Dr. Davis is a speaker and consultant on diversity, equity, and inclusion topics; her website is drshirleydavis.com. Dr. Davis’ books include: Diversity, Equity & Inclusion For Dummies Living Beyond “What If?”: Release the Limits and Realize Your Dreams The Seat: How to Get Invited to the Table When You're Over-Performing but Undervalued Reinvent Yourself: Strategies for Achieving Success in

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01:11:34

295: In the Key of Lime (Repeat)

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2022/04/07

This week we talk about CircuitPython with Adafruit's Kattni Rembor and Scott Shawcroft. The suggested first board is CircuitPlayground Express with LEDs, sensors, and buttons. CircuitPython is also available for many other boards including the BLE Feather (NRF52832). For a basic introduction take a look at What is CircuitPython and see some example scripts. To dig a little deeper, check out the many resources in Awesome CircuitPython. The whole thing is open source so you can see their code. If

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01:09:20

408: Room In Your Heart for Your Robot

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2022/03/31

Machine learning engineer and science fiction author S. B. Divya joined us to talk about artificial intelligence, robotics, and humanity. Divya’s first full-length book is Machinehood which has been nominated for a Nebula (as was her novella Runtime). You can find more about Divya on her website (sbdivya.com) or on her Wikipedia page. Divya also co-hosted EscapePod, a podcast of science fiction stories. Transcript

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01:01:46

407: Boards Are Like Sandwiches

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2022/03/24

Mihir Shah of Royal Circuits joined us to talk about how PCBs are fabricated and how companies are funded. Mihir was CEO of InspectAR before they were acquired by Cadence. Mihir works for Royal Circuits and runs a newsletter called TheAnalog.io We talked about InspectAR on Embedded 384: What Is a Board File? with Liam Cadigan. Transcript for this show This episode is sponsored by Newark, a leading international distributor of industrial and electronic components. From design and testing to

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59:51

406: R2D2 Is a Trash Can

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2022/03/17

Jorvon Moss (Odd Jayy) joined us to talk about making robots, steampunk aesthetics, uploading consciousness to AIs, and the importance of drawing. You can find Jay on Twitter (@Odd_Jayy) and Instagram (@odd_jayy). He’s been moving his Hackster projects over to Digikey’s Maker.io space: www.digikey.com/en/maker. Jay’s projects are collected here. Elecia brought up the science fiction book Machinehood by S. B. Divya. Jay returned with Martha Well’s Murderbot Diaries. Jay mentioned Mycroft.ai, open

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51:51

405: Bacta Tank for Your Brain

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2022/03/11

Chris and Elecia talk about burnout, a SPI + RTOS bug, newsletters, receiving feedback, Elecia’s class, and listener projects. Elecia’s Making Embedded Systems course on Classpert is starting a new cohort on March 19th. She gave a live talk related to the class about looking beneath the surface of Arduino (YouTube version). She’s excited about the Wokwi Raspberry Pi Pico simulator with C. Want more interesting email? ThePrepared is a weekly email about engineering, infrastructure, and

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01:02:38

404: Uppercase A, Lowercase R M

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2022/03/04

Reinhard Keil joined us to talk about creating the Keil compiler, the 8051 processor, Arm’s CMSIS, and the new cloud-based Keil Studio IDE. MDK-Community is a new free-for-non-commercial use, not-code-size restricted version of the Keil compiler (+ everything else). CMSIS is a set of open source components for use with Arm processors. The signal processing and neural net components are optimized for speedy use. The SVD and DAP components are used by tool vendors so there may be components you

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01:13:14

403: Engineers Are a Difficult People

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2022/02/25

Shawn Hymel spoke to us about creating education videos and written tutorials; marketing by and for engineers; and bowties. You can find Shawn teaching FPGAs, RTOSs and other interesting topics on Digikey’s YouTube channel. Shawn also has two embedded Machine Learning courses on Coursera (free!). Or start at his personal site: shawnhymel.com where you can find written tutorials like How to Set Up Raspberry Pi Pico C/C++ Toolchain on Windows with VS Code. Shawn talked about Discovery-Driven

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01:27:42

402: We Are a Lazy Species

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2022/02/18

Chris Svec of iRobot and Phillip Johnston of Embedded Artistry join Christopher and Elecia to talk about the hows and whys of estimating software schedules.. The article that started the discussion was Agile Otter’s Platitudes of Doom. You can participate in these sorts of discussions on the Embedded Slack Channel by supporting Embedded on Patreon. On Phillip’s Embedded Artistry Website you can find a library of courses, hundreds of free articles, and even more member's only content. Their current

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01:06:05

278: Bricks’ Batteries Last Forever (Repeat)

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2022/02/11

Matthew Liberty shared good advice for lowering power. We talk about different ways to measure current (Matt has a nice write-up) and things software can do to decrease power consumption. Sleeping is critical, of course, as is choosing your clock speed and setting the GPIOs to good states. Everything is fine until you start getting into the microamps, then your multimeter measurements may start to fail you. (EEvblog explains why in his uCurrent intro.) Eventually, you may want to measure nanoamp

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01:09:25

401: Oil and Water

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2022/02/04

Miro Samek joins us to discuss designing systems, state machines, and teaching courses. Miro’s company is Quantum Leaps (state-machine.com) which provides commercial licensing for QP Real-Time Embedded Frameworks. It is an open source project, the code can be found on github: github.com/QuantumLeaps/qpc One of the key concepts is an Active Object which aids in real-time system development, especially in the areas of state machines and concurrency. Miro’s (amazing) Modern Embedded System

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