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).
105: Some Paths Are More Suicidal
Manny Wright of Cortus spoke with us about developing processor IP and how it goes from RTL to silicon. Cortus development platform with a Xilinx Spartan and Arduino Due compatibility. Planet Labs satellite contest winners are announced and Elecia has a cold.
104: Only the Paranoid Survive
Atmel’s Andreas Eieland (@AndreasMCUguy) spoke with us about low power chips and benchmarks, including tips for measuring and achieving the lowest power possible. EEMBC has a low power benchmark: ULPBench. EETimes wrote up a great introduction to the benchmark. Atmel’s SAM-L posted some excellent numbers for ULPBench. Chris wanted to look at processors between Cortex-M4 and phone chips. Andreas suggested the SAM7, SAM E, and Cortex-A5. Programmable logic blocks (Look Up Tables) Coding tips and tricks for AVR micros (most things apply for all embedded development) App Note: Ultra Low Power Techniques App Note: Performance Levels and Power Domains Andreas was also on Episode 15: Robot on the Front, speaking about how the AVR processor line came to life, why there is an AVR in Arduino, and the spirit of making things. The Planet contest ends Friday June 12 (at midnight your time). Check out their jobs and send in your contest entry. Also, check out Elecia’s BLE Intro.
103: Tentacles Of the Kraken
Mark VanderVoord (@mvandervoord) spoke with us about leading open source projects and test driven development. His site is ThrowTheSwitch.org, a good place to get started with test driven development. Get more info (and a coupon) for his course. Mark's book is Embedded Testing with Unity and CMock. Lengthy list of unit testing frameworks for C Why's Guide to Learning Ruby (free! with entertaining comics!) D Lang
102: The Deadly Fluffy Bunny (With WiFi)
Charles Lohr spoke with us about $5 WiFi (ESP8266), hacking as a hobby, arcade games, and music visualization. Updated 06/02/2015: A listener pointed out that the Arduino IDE can program the ESP8266, probably an easier setup than Charles' original article. Also, the Linker post for this show is about getting started with BLE. Follow Charles on YouTube (or say hello on Google+ and Hackaday.io). To get you started, here are Elecia's favorites: High Res Wifi Signal Mapping (ESP8266) ColorChord 2 Wifi Cup (ESP8266) For more about the ESP8266: Charles' Hackaday write up (and github repository) Espressif site Electrodragon, Adafruit, and Sparkfun have modules ST 9 axis inertial measurement unit LSM9DSO
101: Taking Apart the Toaster
Micah Elizabeth Scott (@scanlime) spoke with us about Coastermelt, art installations, FadeCandy, teaching electronics to artists, and mental health. Her Toronto International Film Festival (TIFF) installation is mesmerizing, some videos. In her Coastermelt project, Micah uses the IDA disassembler. FadeCandy is for sale at Adafruit. Zen Photon is online, demonstrating ray tracing. Micah's website shows her current projects. Micah's previous Embedded.fm episode focused on FadeCandy: 41: Pink Universes Die Really Quickly. Robot Odyssey looks awesome. Captain Awkward is a site where you can get advice on how to say things and deal with difficult situations/people. Micah's shop has a TypeA 3D printer (note: Tuco's favorite bolts) as well as an OtherMill.
100: Unintentional Radiator
Star Simpson (@starsandrobots) and Jen Costillo (@RebelbotJen) catch up with Elecia and Chris, discussing how hobby projects have changed over the last two years since the show started. Jen's website: RebelBot Star's website and weekly drone newsletter The Buzzer. Star works at Orion (formerly OnBeep). Novena board and Star's project Balboa ODROID Open Cores Crowd supply and What it took to make the Octopart reference card
99: You Can Say a Boat
Andrei Chichak spoke with us about MISRA-C and ethics. Linker post: It's dangerous to go alone! Take MISRA-C Embedded.fm listener survey (please!) Andrei's has personal website (we failed to talk about his kite aerial photography, it is really neat though) and his company is CBF Systems. Plum Hall C Compiler Validation PC Lint JPL Coding Standards for C (and the mentioned video discussing Mars Code) ISO 26262 Automobile software standard Cortex-R for high reliability systems (ARM's description) National Society of Professional Engineers code of ethics and Canadian EngineeringGuidelines on the Code of Ethics Offline, Andrei recommended two books and another podcast about MISRA: C Traps and Pitfalls Safer C MISRA with Johan Bezem (podcast)
98: Figments of My Imagination
Chris and Elecia talk about memetics, learning, and processors. Elecia was coy about the Pasadena party May 9th and 10th, but Hackaday announced it so you can invite yourself. She will also be speaking at the Solid conference in June in SF (email for a coupon!). She'll also be at ESC-Silicon Valley in July. Star Wars Teaser #2 and SpaceX almost-landing BLE fun: TI's CC2640 and Nordic nRF51822 (Elecia likes the BLE Nano with the free, online mbed compiler for getting started with the nRF5122). Everything seems to be a Cortex-M0 these days (including the aforementioned CC2640 and nRF51822). The new Atmel SAM-L series is Cortex-M0 and even more low power than usual. On the other hand, the MSP432 is low power and is a more powerful Cortex-M4 (and inexpensive dev kits!), Elecia has a book: Making Embedded Systems. It makes a great gift.
97: Bubblesort Yourself
Professor Paul Fishwick joined us to talk about CS and STEM education, excellent analogies, and the crossover of art and technology. The Linker post related to this episode managed to be reasonably topical for a change. Paul's work: UT Dallas homepage Creative Automata blog and Modeling For Everyone blog TEDx talk Aesthetic Computing, one of his books on art and CS. Online chapter. Creative Automata course Videos Radiolab Color Episode Forrester System Dynamics Max is a visual programming language for music and multimedia. CS Unplugged is a collection of free learning activities that teach Computer Science through engaging games and puzzles that use cards, string, crayons and lots of running around. There are many bubblesort dance videos (mindboggling) but this is the one Elecia knew about previously. The Computer History Museum is awesome. If you are in the area, you should definitely go. Conference and contact notes: There is a party/hack event in Pasadena May 9th and 10th, email if you want more info (and an invite). Elecia will be speaking at SOLID in SF in June, giving an intro to inertial. She's got a coupon to share if you ask. ESC Minneapolis' call for proposals is open but closing soon. Elecia will be at ESC Silicon Valley in July, speaking on being a Maker (or not).
96: Yarn Is Serious Business
Carrie Sundra (@AlpenglowYarn) spoke with us about doing a Kickstarter on her own… and nearly failing. The SkeinMinder is an automation tool for small yarn businesses (and enthusiastic amateurs). When the successful Kickstarter nearly fell short, Carrie candidly wrote about it (includes a great description of the economies of scale). Carrie’s yarn company is Alpenglow Yarn. You can use the contact page there to ask for electrical engineering help as well. Carrie is active on Instagram and her blog is a blend of crafts and engineering. Ravelry is the social media site for knitters and crocheters (requires free account to see anything) The insanely popular Potato Salad Kickstarter.
95: The Elon Musk of Earth
This week we discuss lasers, internet of things, and static electricity. Our extremely opinionated guest has a lot to say, including some scatological humor. The associated Linker post went up early for this one, please check it out. Scary robot litter box
94: Don't Be Clever
The linker post for this episode is Be Excellent to Each Other. Dennis Jackson spoke with us about drones (and Airware), simple code, and learning. Hobbyist drones and UAVs on Amazon: tiny and cheap, medium (Christopher's gift), andplease-I'm-drooling-right-now. Only the last one may be an Airware platform (Dennis could neither confirm nor deny). Airware's breakdown of proposed FAA rules Simple code: Cyclomatic complexity Chris Svec's episode on empathy driven design (he'll also be at ESC Boston!) Test Driven Development for Embedded C by James Grenning Don't Make Me Think: A Common Sense Approach to Web Usability Dennis has also worked on DEKA's iBOT and at Avinger's OCT system. Dennis had a list of suggested articles and blogs on safety critical software development: 30 Pitfalls for Real Time Systems (part 1 and part 2) Rules for defensive C programming Joel Spolsky's blog (see top 10) Why are you still using C The Power of Ten -- 10 Rules for Writing Safety Critical Code Dennis' other suggested reading (ongoing blogs): Coding Horror Jason Sachs's Embedded Systems The Old New Thing Rands in Repose (management and leadership)
93: Delicious Gumbo
The Linker post for this episode is RTOSs and Brownies. Joel Sherrill (@JoelSherrill) spoke with us about real time operating systems, free and open source software, interns, and space. RTEMS home page and wiki Google Summer of Code (the FAQ is the best part!) and ESA Summer of code (awesome tagline: In space no one can hear you code). The LEON is the ESA Sparc core with open source VHDL and extensive use by ESA. Some projects RTEMS is used on include the Magnetosphere Multiscale Mission, theExPRESS Logistics Carrier, Mars Curiosity, and the Dawn spacecraft that is visiting the Ceres asteroid.
92: Everybody Behave, Please
The Linker post for this episode: Make Anything James @Laen Neal from OSHPark spoke with us about starting a business, helping open source hardware, and throwing wild parties. OSHPark got its start from DorkbotPDX. If you are in Portland, Oregon, check out their meetup (started out on Mondays, now first Tuesday of the month, look at the CymaSpace meetup calendar for the Maker Meetup). Open Source Hardware Association (OSHA) PCB Design School blog Bay Area Maker Faire 2015 is May 16-17, Bring a Hack dinner is usually Sunday. This time we really did talk about the Maker Pro book.
91: Save Us From Astronauts
The Linker post for this episode: How to Win the Hackaday Prize (and Other Design Challenges) Sophi Kravitz, electrical engineer and Hackaday Mythical Creature, came on to leak the new Hackaday Prize details! On twitter, she's @SophiKravitz and often has the reins of @HackadayPrize. Sophi mentioned Matt Berggren's PCB workshop (oh! and a Solid talk too!). All three of us have been trying to make time for Contextual Electronics (now with fewer time constraints!). Hackaday Omnibus HardwareCon (startup conference in San Leandro, CA) Giant Flip-Dot Display at CES Soft Robotics Kit (and contest) The balloon project is going to FITC. You can hear the soothing sounds here. Sophi rejoins us after being on Episode 77: Goldfish, Fetch My Slippers. Also, we forgot to discuss it but Sophi was an author in the Maker Pro book, full of neat essays.
90: Stick It in a Pumpkin
The Linker post for this Episode: Solving a Different Problem ThingM's Tod Kurt (@todbot) joined us to talk about the most important part of every embedded system: blinking lights. ThingM has been making I2C lights (BlinkM, MinM and MaxM) since 2006. The newer, more productized USB light is the Blink(1) (there is a coupon near the end of the show). Blink(1) had two successful kickstarters (second one). The BlinkMs have an ATTiny85 (which is also on the Adafruit Trinket). The Blink(1)s have a PIC processor that is small, cheap, and supports USB quite well (PIC16F1455-I/ML and dev kit). Other smart LEDs include WS28xx (aka NeoPixel) and APA102 (aka DotStar) Seeed Studio was discussed as a way to get boards built, assembled, even housed. Elecia mentioned Tindie's new CM review site. Tod is cofounder of Crash Space (@CrashSpaceLA), a Los Angeles based hackspace. They (including Tod) were on the short-lived Mythbusters-hosted Rube Goldberg devices show called Unchained Reaction. Tod has worked on some neat art projects, including the Crystal Monster and the Cash Machine. Tod's blog. Speaking of blogs, Chris and Elecia are going to start writing after (podcast) action reports forElement 14. More announcements (and actual links) soon. Don't forget the Chris Savage (Parallax) call for assistance!
89: I Have New Batteries
Chris Savage (@SavageCircuits) talks about building a community and about stopping projects when life intrudes. His site is Savage Circuits. He has a YouTube channel. He has Savage Circuit TV which are the longer, more in depth videos and Short Circuit for the shorter ones. Also see his forums. Chris works for Parallax and had some kit suggestions: BOE-BOT (board of education bot), its successor the ActivityBot, and the ELEV-8 Quadcopter Kit. Chris is also a writer for Nuts and Volts. At the top of the show, we mentioned Chris' wife. Here is Ken Gracey's request for help. Or you can skip that and use the PayPal link on the Savage Circuits thank you page. (No PayPal account required.)
88: Science Is a Lot Like Quilting
Same day PCBs?!? Danielle Applestone (@dapplestone) chatted with Chris and Elecia about desktop CNC milling using @OtherMachine's OtherMill. OtherMill links: features tools and materials (neat!) store (kits!) instructables (chocolate spaceships!) kickstarter page miniature mocha pot brass, err.. aluminum turbine (also: what Elecia heard) stories of people using OtherMill Synthetos TinyG controller (also see the Make write up about TinyG) BANT (budget, authority, need, timing): more info
87: Make My Own Steel Foundry
Chip Gracey spoke with us about founding @ParallaxInc, chip design, and the Propeller with its many cores. Parallax Some notes on open sourcing the Propeller Propeller One Verilog forum Propeller products Elecia has a very old Propeller Starter kit but is tempted to get the PropStick USB. Many years ago, Chris got a Basic Stamp 2 module (like this one) to control a camera in his RC airplane:
86: Madeupical Word
86: MADEUPICAL WORD Erin McKean (@emckean) is a lexicographer, programmer, and start-up founder. We spoke to her about Wordnik (the online uber dictionary), Reverb (smarter recommendations), and her many books. Wordnik: Adopt-a-word Developer Erin's favorite list Reverb Erin has written many books, some about words, one about dresses (The Hundred Dresses), and one fiction novel about The Secret Lives of Dresses. She has also given two TED talks. Watson on Jeopardy Brian Garner talks about skunked words in his book Modern American Usage Five Intriguing Things via Tiny Letter [Feb 2, 2015: This link is broken today but it is the right link, google "Five Intriguing Things" to see if they've fixed it.] Elecia's Wordy project if fully documented over on Hackaday Reaction Housing is hiring!
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