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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

01:00:13

286: Twenty Cans of Gas

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2019/04/18

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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01:14:00

285: A Chicken Getting to the Other Side

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2019/04/11

Carlos Maltzahn joined us to talk about graduate studies in open source software, research incubators, and how software development tools can be used to aid the reproduction of scientific results. Carlos is the founder and director of the Center for Research in Open Source Software (CROSS). He is also an adjunct professor of computer science and engineering at UC Santa Cruz. Some projects we spoke about: Jeff LeFevre — Skyhook: using programmable storage in Ceph to make Postgres and other

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01:12:47

284: Honking Big Asparagus

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2019/04/04

Ori Bernstein (@oribernstein) joined us to talk about the dielectric constants of foods, reflective energy steering, and smart microwaves. Elecia got a little silly. Ori works at Level Hot Pantry for more about the smart microwave, check out his !!ConWest talk. Ori has a github and personal site. EMSL papadum testing (where our thumbnail came from, with permission) Hackaday explained recently why grapes explode Short intro to how a microwave works

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01:07:19

283: Flippendo Is Kind of a Swirly

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2019/03/28

Jennifer Wang (@jenbuilds) spoke with us about machine learning, magic wands, and getting into hardware. For more detail about her magic wand build, you can see Jen’s Hackaday SuperCon talk or her !!ConWest talk. The github repo is well documented with pointers to slides from her SuperCon talk and an HTML version of her Jupyter notebook. Check out this good introduction to machine learning from scikit-learn. It was their choosing the right estimator infographic we were looking at. (Elecia has

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01:15:46

282: Tin Can Through a Wet Noodle

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2019/03/21

We spoke with Laughlin Barker of OpenROV (@OpenROV) about underwater drones, underwater navigation, underwater exploration of the Antarctic, and extraordinarily large (underwater) jellyfish. Watch this video of a Trident ROV being eaten by a shark… yes, you get to see the inside of a shark. S.E.E. Initiative: Science Exploration Education from National Geographic Laughlin left us with a coupon code for the Trident ROV. Please remember to invite us along on your ROV’ing.

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01:08:59

281: Tame Geek

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2019/03/14

Combining a love of engineering with a love of words, Jenny List (@Jenny_Alto) is a contributing editor at Hackaday (@Hackaday). Jenny’s writing at Hackaday including Debunking the Drone Versus Plane Hysteria and Ooops, Did We Just Close An Airport Over a UFO Sighting? Previously Jenny worked for Oxford English Press working on computational linguistics software. While there she wrote post about the word “hacker”. Elecia has been secretly dreaming of being a lexicographer since reading Word by

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01:00:33

280: Reginald P. Theodore Johnson

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2019/03/08

Chris (@stoneymonster) and Elecia (@logicalelegance) talk about design patterns, conferences, and Molotov cocktails. Wrapper / Decorator / Facade Observer aka subscriber/publisher (caveat) Delegation and Dependency Injection Model View Controller (very important if somewhat dated UI pattern) PyFlakes is a static Python checker KiCAD Conference is in Chicago on April 26-27, 2019 BangBangConWest 2019 is over but the videos will be up soon including the one Elecia noted about liking things (which

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01:21:39

162: I Am a Boomerang Enthusiast (Repeat)

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2019/03/01

Valve's Alan Yates (@vk2zay) spoke with us about the science and technology of virtual reality. Elecia looked at the iFixIt Teardown of the HTC Vive system as she was unwilling to take apart Christopher's system. Alan shared some of his other favorite reverse engineering efforts: Doc OK’s Lighthouse videos, documentation on github by nairol, and a blog by Trammell Hudson. Alan's sensor circuit diagrams were on twitter: SparkleTree sensor circuit (think simplified) and the closer-to-production

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01:11:13

279: Top Pedant

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2019/02/22

Patrick Yeon (@patyeon) spoke with us about nonprofit spaceships then asked our opinions about embedded software. Pat is working for something something nonprofit space something something. To fill in some of the blanks, apply for a job on NonprofitSpaceship.org. Pat was previously on episode 153: Space Nerf Gun when we talked about cost-optimized satellites. We talked about several books: Turn the Ship Around! A True Story of Turning Followers into Leaders by L. David Marquet Managers Path:

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01:06:05

278: Bricks’ Batteries Last Forever

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2019/02/15

Matthew Liberty (@mliberty1) 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

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01:16:38

277: The Sport of Kings

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2019/02/08

Jie Qi (@qijie) spoke with us about making paper-based electronics (@Chibitronics) and learning about patent law (via @Patentpandas). Jie Qi is the founder of Chibitronics, a crafting electronics platform that uses paper and stickers to create (and teach) circuits. Building the company and working on electronics-filled pop-up books led to the realization that patent law does apply to open source maker-type companies. She started PatentPandas.org to share what she’s learned. Jie is not the only one

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01:17:37

276: Playing a Song on a Potato

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2019/01/31

Jesse Rutherford (@BentTronics) gave us an in-depth look at the 555 timer IC (wiki). Jesse runs Bent-tronics.com and wrote The Ultimate Beginner's Guide to the 555 Timer (Amazon). Some great 555 projects: 555 Decimal Adding Machine 555 found in a drill trigger speed controller as seen on the Ben Heck Show 555 found inside a solar charger controller, video by Julian Ilett Somehow, despite it being in the plan, we didn’t mention the Evil Mad Scientist The Three Fives Kit: A Discrete 555 Timer

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01:10:15

275: Don’t Do What the Computer Tells You

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2019/01/25

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 upcoming

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01:15:45

274: Swiss Knife of Embedded Systems

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2019/01/18

Ivan Kravets (@ikravets) spoke with us about PlatformIO (@PlatformIO_Org), IDEs, embedded libraries, and RISC-V. PlatformIO is an editor, an integrated development environment with debugging and unit testing, and/or a library index. Its goal is to make embedded development easier and more consistent across host operating systems and development hardware. It is also a .org because the goal is to make all of this open source and free to engineers. Ivan Kravets is the founder of PlatformIO.org

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59:47

273: Off the Topic of My Jammies

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2019/01/11

Chris and Elecia chat with each other about the new year. All is fine until she starts quizzing him about some language details of his new project. Many object-oriented resources suggest using composition (has-a) over inheritance (is-a-type-of) (wiki). Where do swift extensions fit in? It seems to me (Elecia here) that extension is invisible composition that allows adding of functions. For example, say you want a TiltSensor and you already have an ImuSensor object so you need to add a function for

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01:27:48

272: Stick ‘Em on Whales

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2018/12/28

Chris Gammell (@Chris_Gammell) of The Amp Hour (@TheAmpHour) joined us to talk about the state of the industry, listeners, guests, and life in general. Embedded’s accounting episode (150: Sad Country Song) Contextual Electronics Consulting forum (requires you to apply) Remote work 250: Yolo Snarf Excellent video on how prototype PCBs have improved over the years Quickly falling cost of dev boards Elecia worked on learning and building robots and happily got a related job Chris W is building IOS apps

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01:14:11

271: Shell Scripts for the Soul

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2018/12/21

Alex Glow (@glowascii) filled our heads with project ideas. Alex is the Resident Hardware Nerd at Hackster.io. Her page is glowascii and you might want to see Archimedes the AI robot owl and the Hardware 101 channel. They have many sponsored contests including BadgeLove. Lightning round led us to many possibles: It you were building an IoT stuffed animal, what would you use? Mycroft and Snips are what is inside Archimedes. If you were building a camera to monitor a 3d printer, what would you

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01:10:00

270: Broccoli Is Good Too

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2018/12/14

James Grenning (@jwgrenning) joined us to talk about Test Driven Development, dealing with legacy code, and cleaning out very large pipes. James is the author of Test Driven Development for Embedded C. If you want to take his live online course, check out the remote delivered TDD classes on Wingman Software. His blog has many great articles including TDD How-to: Get Your Legacy C into a Test Harness and TDD Guided by ZOMBIES. Book: Working Effectively with Legacy Code by Michael Feathers James

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01:05:17

269: Ultra-Precise Death Ray

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2018/12/06

Alan Cohen (@proto2product) wrote a great book about taking an idea and making it into a product. We spoke with him about the development process and the eleven deadly sins of product development. We did not talk about ultra-precise death rays. Books we discussed: Alan’s Prototype to Product: A Practical Guide for Getting to Market Elecia’s Making Embedded Systems The Mythical Man-Month, Anniversary Edition: Essays On Software Engineering by Frederick P. Brooks Jr. The Manager's Path: A

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01:08:55

164: Heatsink in a Shoebox (Repeat)

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2018/11/30

Christopher White resurrects an Apple ][+ with his brother Matthew White. This is a show about the software Christopher and Matthew wrote when they were kids and the hardware they wrote it on. Matthew's favorite fictional robot (we should have asked): Venus Probe from Six Million Dollar Man. We did ask about his favorite fictional computer and there is a video for that too. Apple ][+ Wiki Timex Sinclair Z81 Wiki Eric Schlaepfer's Monster 6502 Grant's 6502 Computer Kerbal Space Program for the

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