United States






321: The Edge of Science Fiction

Jason Derleth of the NASA Innovative Advanced Concepts Program spoke with us about what it takes to win a NIAC award. NIAC program homepage Some of the accepted NIAC studies Key dates: Note: Solicitations open in June 2020! Apply to NIAC A guide for NSPIRES, the payment system We first heard about NIAC talking to Ariel Waldman. Her niacfellows.org site has some advice and encouragement for applying. Ariel was on Episode 255 of the show. Elecia’s one-page overview of Curved-Crease...


320: Why Isn’t This Working?

Chris Gammell (@Chris_Gammell) of The Amp Hour and Contextual Electronics joined Christopher and Elecia to talk about firmware, learning, and books. Chris is the host of The Amp Hour, a podcast about electronics and electrical engineering. Chris is also the founder of Contextual Electronics, where you can go to learn how to create electronics. Chris has a long running blog called Analog Life, found on his webpage chrisgammell.com, Chris is learning firmware as part of his consulting...


319: Squidly Tentacles

Chris (@stoneymonster) and Elecia (@logicalelegance) chat about the year 2038, their projects, their new finds, and future shows. The year 2038 problem is real. Elecia read some of this tweet thread about it. Single file libraries list on github: (https://github.com/nothings/single_file_libs), including the STB image handling library Chris was originally looking for. Chris is working on a MIDI project with a NUCLEO-144 (STM32F303ZE) board and various breakout boards from Adafruit and...


211: 4 weeks, 3 days (Repeat)

Dennis Jackson spoke with us about making the career shift from software to embedded. Dennis buys James Grenning’s Test Driven Development in Embedded C for his new hires and often recommends Elecia’s Making Embedded Systems. His tip that everyone should know was “Learn make!” and he has a reference for that: Why Use Make. He suggested Joel Spolsky’s reading lists from Joel On Software, even the ones that don’t obviously apply. Additional suggested-reading articles: 30 Pitfalls for Real...


318: Amazed at How Things Are Amazing

Darryl Yong (@dyong) is a mathematics professor at Harvey Mudd College (and former classmate of ours, also at HMC). He is working with HMC’s Clinic Program, putting real industry projects in front of teams of college students. He’s also teaching number theory to prison inmates and helping teachers in the chronically underfunded Los Angeles Unified School District. Darryl writes about his career in education at Adventures in Teaching (profteacher.com). You can read about his experiences with...


317: What Do You Mean by Disintegrated?

We were joined in the studio by the Evil Mad Scientists Lenore Edman (@1lenore) and Windell Oskay (@oskay). Evil Mad Scientist Laboratories (@EMSL) produces the disintegrated 555 Timer kit and 741 Op-Amp kit. These were made in conjunction with Eric Schlaepfer, who also created the Monster 6502. EMSL also makes the Eggbot kit and AxiDraw not-kit (and mini-kit). For a history of the pen plotter, check out Sher Minn’s Plotter People talk on YouTube. (They have too many neat things to list...


316: Obviously Wasn't Obvious

Professor Barbara Liskov spoke with us about the Liskov substitution principle, data abstraction, software crisis, and winning a Turing Award. See Professor Liskov’s page at MIT, including her incredible CV.


315: Trespassers William

Chris and Elecia talk with each other about non-work activities including music, office rearrangement, and origami. The Solarbotics Squid Hunting CearouSol Kit Samson S-patch plus 48-Point Balanced Patchbay Waldorf Blofeld Synthesizer EarthQuaker Devices Rainbow Machine V2 Polyphonic Pitch-shifting Modulator Pedal (with Magic knob) Artelino is a Japanese print auction house


314: Why Are Wings Needed in Space?

Mohit Bhoite (@MohitBhoite) makes functional electronic sculptures from components and brass wire. We spoke with him on the hows and whys of making art. Mohit’s sculptures, incliding the Tie Fighter. More on his instagram: mohitbhoite Jiri Prause has a wonderful tutorial on how to make simpler freeform electronics on Instructables. Peter Vogel is another artist making phenomenal freeform electronics. Leonardo Ulian uses electronic components in his art (his don’t function but...


313: Where the Paper Knows It Needs to Fold

Robert J. Lang spoke with us about origami, art, math, and lasers. Robert has many origami books, here is a subset: Origami Design Secrets: Mathematical Methods for an Ancient Art (the one we talked about most, has the hummingbird crease pattern) Twists, Tilings, and Tessellations: Mathematical Methods for Geometric Origami (his new one, a textbook!) Origami in Action: Paper Toys That Fly, Flap, Gobble, and Inflate (not a theory book, just fun folds) Origami Sea Life (not mentioned but...


312: Two Meter Exhaust Port

Chris and Elecia talked through how security holes can get explored on a fictional product. Thanks to an Embedded listener who enjoyed hearing from Jacob Martinez about helping young adults have access to technology, we have a grant to match donations to DigitalNEST up to $2500. Donate here: give.digitalnest.org/embeddedfm We talked through OWASP Top 10 Embedded Application Best Practices but OWASP Internet of Things and OWASP Mobile Security are also very useful. GREAT explanation of...


204: Abuse Electricity (Repeat)

Phoenix Perry (@phoenixperry) spoke with us about physical games. Phoenix is CTO of DoItKits (@DoItKits). More about Phoenix: Bot Party Her site: PhoenixPerry.com Goldsmith’s page She enjoyed Obelisk Gate by NK Jemisin Physical games are sometimes called Alt Ctrl such as at the Alt Ctrl Game Jam. Phoenix co-founded Code Liberation with Catt Small, Nina Freeman, and Jane Friedhoff. “Code Liberation catalyzes the creation of digital games and creative technologies by women, nonbinary,...


311: Attack Other People's Refrigerators

Rick Altherr (@kc8apf) spoke with us about firmware security and mentoring. Rick is a security researcher at Eclypsium. His personal website is kc8apf.net. Rick’s deeply technical dive into reverse engineering car ECUs and FPGA bitstreams was on the Unnamed Reverse Engineering Podcast, episode 24. He also spoke with Chris Gammell The Amp Hour 357 about monitoring servers, many many servers. Firmware security links: STRIDE threat model OWASP Top 10 Security Risks OWASP IoT Firmware...


310: While Loops Dressed up for Halloween

Aimee Lucido (@AimeeLucido) is a software engineer and children’s book author. Her first book is Emmy in the Key of Code about music, learning to code, and fitting in. We spoke with Aimee about writing, programming, publishing, and putting beautiful words together. You can get a copy of Emmy in the Key of Code from Booksmith, IndieBound, Barnes & Noble, Target, or Amazon. The music playlist can be found in Google Play or Spotify. Aimee’s website is aimeelucido.com. She also writes...


309: Nature's Engineers

Pete Staples of Blue Clover Devices (bcdevices.com, @theiotodm) spoke with us about tools for manufacturing hardware. Some posts and products from Blue Clover Devices: PLT Spec Sheet and ICT System How to write PLT Board Test Plans (using YAML) PCB Design Tips and More PCB Design Tips Flying Probe Testers in a Nutshell Zephyr - an OS for IoT BC Devices github Behind the scenes at factories: Shenzhen Tena RT3188 HDMI Stick Factory Tour Inside a PCB Soldering Factory - in...


308: More Energy

Jacob Martinez (@jacobotech) spoke with Elecia about DigitalNEST (@DigiNEST), a non-profit devoted to giving high school and college age students access to technology, job training, and career development. DigialNEST is based in the agricultural communities of Salinas and Watsonville, CA. Students who work through the course tracks at DigitalNEST can be invited to join the BizzNEST consulting group. The conference we spoke of was NEST Flight (nestflight.org), held in September in...


307: Big While Loop

Chris and Elecia explain when and why to use an operating system on a microcontroller (real-time or not). Thank you to our Embedded Patreon supporters for Loretta’s mic, particularly to our corporate patreon, InterWorking Labs (iwl.com).


306: What Is in the Magic Box?

Dr. Loretta Cheeks (@loretta_cheeks) spoke with us about implicit bias in text, machine learning, getting a PhD, and STEAM outreach via Strong Ties (strongtiesaz.org). Also see: Loretta’s research on identifying implicit bias (The thumbnail image is from her work.) Lotetta’s TEDx talk on AI and remembering Yoshua Bengio wiki Thank you to our Embedded Patreon supporters for Loretta’s mic, particularly to our corporate sponsor, InterWorking Labs (iwl.com).


305: Humans Have a Terrible Spec Sheet

Amanda “w0z” Wozniak (@kainzowa) 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.


304: ADC Channel Six

What do you get when you connect the open-source reverse engineer of Valve’s Steam Controller and the main electrical engineer of said device? Jeff Keyzer (@mightyohm) and Gregory Gluszek (@greggersaurus) join us to talk about building and taking apart devices. Greg’s project is on github as the OpenSteamController. He used pinkySim, an ARM simulator. Jeff has left Valve and is now a freelance engineer as well as selling kits on mightyohm.com. The incredibly useful comic on how to solder...