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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

01:11:58

345: Do What Apple Says

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2020/09/24

Gretchen Walker gave advice on creating a BLE iOS application. Gretchen wrote The Ultimate Guide to Apple’s Core Bluetooth on the PunchThrough (@PunchThrough) blog. There are many other good posts on the blog about BLE from a device perspective and app development (iOS and Android). PunchThrough also makes LightBlue, a great BLE debugging app you can find wherever you find your mobile apps. PunchThrough is hiring embedded software engineers in the Minneapolis, MN area. Chris and Gretchen both

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01:08:46

220: Cascading Waterfall of Lights (Repeat)

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2020/09/17

Ben Hencke (@im889) spoke with us about OHWS, Tindie, and blinking lights. Ben sells his Pixelblaze WiFi LED controller on his ElectroMage store on Tindie. It is based on the ESP8266 and uses the DotStar (APA102) lights. To hear John Leeman’s trip report on the Open Hardware Summit (OHWS), listen to Don’t Panic Geocast, Episode 140 – “Juicero of Tractors” Ben’s websites are bhencke.com and electromage.com. Go there if you want to see some of Ben’s projects, including Synthia. You can also find Ben

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59:47

344: Superposition, Entanglement, and Interference

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2020/09/10

Kitty Yeung (@KittyArtPhysics) spoke with us about the superposition of quantum computing and fashion. If you want to learn more about quantum computing, check out Kitty’s series on Hackaday’s Quantum Computing Through Comics. Kitty works for Microsoft in Quantum Computing (@MSFTQuantum). Kitty’s art and fashion are available on her site, Art By Physicist, and shop shop.kittyyeung.com. Her recent addition is the Constellation Dress. There is a coupon code in the show. Kitty has some other DIY

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55:00

343: Getting Brains to Work

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2020/09/04

Chris and Elecia discuss transcripts, listener emails, and brains. We already have a post about the dangers of using Arduino for professional work. Elecia got a Cricut Maker to help her make origami and then discovered SVG files were editable (Intro to SVG). She’s putting her origami crease patterns in a github repo eleciawhite/origami), where else would you put it? About brains, Elecia was reading from Smart But Scattered.

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57:22

342: That Girl's Brain

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2020/08/27

Jess Frazelle (@jessfraz) of Oxide Computer (@oxidecomputer) spoke with us about hyperscalers (large companies that make their own datacenter server hardware) and podcasts. Jess wrote an article about the power efficiency measurements of datacenter servers: Power to the People (ACM Queue August 2020). The Oxide podcast is available on oxide.computer/podcast as well as your usual podcast apps. Jess particularly recommended the episode with Jonathan Blow. Oxide is working to make hyperscaler-style

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01:10:05

236: The Concept of Delayed Gratification (Repeat)

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2020/08/20

Roger Linn (@roger_linn) gave us new ideas about musical instruments, detailing how wonderful expressive control, 3D buttons, and keyscanning can be. Roger’s company is Roger Linn Design. We talked extensively about the LinnStrument, some about the AdrenaLinn for guitar, and only a little bit about the analog drum machine Tempest. A key matrix circuit is a popular way to handle a large number of buttons but it falls prey to n-key rollover. Roger adds force sense resistors to this (FSR example at

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54:38

341: Big Hugs to Everybody

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2020/08/13

Phoenix Perry (@phoenixperry) returns to speak with us about education and the importance of merging art and technology. Phoenix’s website is phoenixperry.com. The art installation crossing the virtual and the physical world was called Forest Day Dream. Phoenix is teaching a free online class: Create Expressive Video Games. Phoenix is the Master’s degree coordinator for University of the Arts London Creative Computing Institute. Diversity and accessibility are important, some resources:

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01:04:39

340: The Left Bunny Slipper

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2020/08/06

Chris and Elecia talk about getting transcriptions, accessibility, operating systems, and networking. Elecia recommends reading Haben by Haben Girma (@HabenGirma). Transcripts will initially be only available to Patreon supporters. To become a Patreon supporter, go to patreon.com/embedded. If you can’t be a supporter and still really want the transcripts, hit the contact link. Chris Gammell’s nifty new podcast (video!) is Contextual Electronics. Want to know more about how operating systems

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01:03:08

339: Integrity of the Curling Club

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2020/07/30

Dan Zimmerman (@dmz) spoke with us about voting, voting machines, building trust in software, and transparency. Dan works for Galois (https://galois.com/ , @galois) and Free and Fair (https://freeandfair.us/, @free_and_fair). He worked on the US Vote Foundation’s E2E-VIV Project on the Future of Voting. The artifacts from that project are on github: github.com/GaloisInc/e2eviv. Dan (and Galois) worked with Microsoft on ElectionGaurd, a suite of tools to help make elections end-to-end verifiable,

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01:26:36

338: Working With People Is Terrible

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2020/07/24

In a surprising turn of tables, Christopher White (@stoneymonster) joins the show as a guest to talk about his career, burnout, and musical instruments. Christopher attended Harvey Mudd College for his undergrad mathematics degree then got a Master’s degree in physics at San Jose State University. Some things he has worked on include: Multicast OSPF LISP OCT His current band is 12ax7 (12ax7.fm). The outro music is a track called “Solstice”.

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01:11:13

337: Not Completely Explode

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2020/07/16

Kate Temkin (@ktemkin) explained USB: how to get started, general orientation, useful tools, and when you’d use it in embedded systems. Kate’s website is ktemkin.com. She works at Great Scott Gadgets. References for USB: USB in a Nutshell USB Complete by Jan Axelson USB Embedded Hosts: The Developer’s Guide by Jan Axelson USB Specification, Chapter 9: USB Device Framework USB Stacks we talked about: TinyUSB from Adafruit Lufa Cortex libopencm3 For the host side: libusb Open

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01:12:12

336: Common Sense Is Not Common Sense

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2020/07/02

Philana Benton (@TechnoPHILiANA) spoke with us about mentoring: how to be a good mentor, what to expect, and what not to do. If you’d like to try mentoring, sign up for Philana’s DivTekSpace (divtekspace.org). You can do a resume review, a mock interview, give career advice, and/or refer students to your company. Philana’s home page is philanaaurelia.com We also mentioned imentor.org

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01:15:04

335: Patching on the Surface of Mars

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2020/06/25

Joel Sherrill (JoelSherrill) spoke with us about choosing embedded operating systems and why open source RTEMS (RTEMS_OAR) is a good choice. Embedded #307: Big While Loop: Chris and Elecia talk about when and where they’d use RTOSs Embedded #93: Delicious Gumbo: Joel gave an introduction to the RTEMS RTOS Joel works at OAR Corp (oarcorp.com) on RTEMS (rtems.org). RTEMS runs on many development boards including the BeagleBone, Raspberry Pi, and two FPGA boards: ARM ZYNQ-7000 and the Arty Board

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01:20:48

226: Camp AVR Vs. Camp Microchip (Repeat)

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2020/06/18

Jay Carlson (@jaydcarlson), author of The Amazing $1 Microcontroller, joined us to talk about comparing microcontrollers and determining our biases. This was an in-depth comparison of different micro features. Jay is an electrical engineer specializing in electronics design and embedded programming (contact). His blog is new and interesting. We talked to SEGGER’s Dirk Akeman about JLink on #218: Neutron Star of Dev Boards.

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01:09:30

334: Bag of Heuristics

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2020/06/11

Matt Godbolt (@mattgodbolt) joined us to talk about assembly code, becoming a verb, 6502s, exploring compilers, and application binary interfaces. Compiler Explorer can be found at godbolt.org. The code is on github (compiler-explorer/compiler-explorer). Matt also has jsbeeb, a BBC Micro (6502) simulator. You can try it out at bbc.godbolt.org. Its code and more information is on github (mattgodbolt/bbc-micro-emulation). Matt recently gave a video presentation about jsbeeb for ABUG. Some other

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52:59

333: Project Purgatory

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2020/06/04

Bailey Steinfadt (@baileysteinfadt) spoke with us about the makerspaces, communities, following many paths, and misbehaving robots. Bailey works at Dojo Five and Stone Path Engineering. Area 515 is a non-profit maker space in the Des Moines, Iowa area. They supported their local emergency services with over 6000 face shields. If you are looking for something to do with your 3d printer, look at One Shot Bias Tape Maker and the how to use it video. Bailey recommended the Makers On Tap podcast and

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01:11:48

332: There Were Fires

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2020/05/29

Doug Harriman of Simplexity (@SimplexityPD) spoke with us about motors, controllers, and designing mechatronic systems. Simplexity (or if you want to contact them) Doug recommends Control Systems Engineering by Norman S. Nise. Elecia recommends Notes on Diffy Qs by Jiří Lebl from American Institute of Mathematics list of free and approved math textbooks. They both like the 3 Brown 1 Blue YouTube channel. If you liked the part about how to choose a motor, you might want to watch Doug’s Webinar on DC

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59:37

331: Friendly Tea Kettle

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2020/05/21

Dr. Katy Huff (@katyhuff) spoke with us about nuclear engineering, effective software development, and the apropos command. Katy wrote an O’Reilly book describing Python software development to scientists: Effective Computation in Physics: Field Guide to Research with Python. She has been involved with Software Carpentry. Katy is a professor at University of Illinois, Urbana-Champaign, Department of Nuclear, Plasma, and Radiological Engineering. She uses Bell and Glasstone’s Nuclear Reactor Theory

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56:30

330: I Just Want a Dog

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2020/05/14

Chris Svec (@christophersvec) chatted with us about going from engineer to manager and working from home. Chris had many book recommendations (these are affiliate links): Absolutely Remarkable Thing by Hank Green (fiction) Drive: The Surprising Truth About What Motivates Us by Daniel Pink The Manager's Path: A Guide for Tech Leaders Navigating Growth and Change by Camille Fournier Resilient Management by Lara Hogan The Mythical Man-Month: Essays on Software Engineering by Frederick P

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01:08:51

190: Trust Me, I'm Right (Repeat)

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2020/05/07

Matt Godbolt (@mattgodbolt) spoke with us about settling arguments with Compiler Explorer. March Micro Madness is here! Compiler Explorer comes in different flavors: https://rust.godbolt.org/ https://d.godbolt.org/ https://go.godbolt.org/ https://gcc.godbolt.org/ You can see the beta version by putting a beta on the end: https://gcc.godbolt.org/beta/ This a fully open source project. You can read the code and/or run your own version: https://github.com/mattgodbolt/compiler-explorer

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