Embedded
Chris and Elecia talk about the Embedded Online Conference, their experience learning Zephyr, and some listener questions. Elecia will be presenting on at the , Apr 29 - May 3, 2024. Some other talks that look interesting: Use the EMBEDDEDFM coupon for a discount (or if your whole team is going, check out the ). Elecia’s book (Making Embedded Systems, 2nd Edition) is shipping ( or ). is pretty amazing.
info_outline 474: It's All Chaos and HorrorEmbedded
Logic gates and origami? Professor Inna Zakharevich joined us to talk about Turing complete origami crease patterns. We started talking about Turing completeness which led to a Conway’s Game of Life-like 2D cellular automaton called (Wikipedia) which can be implemented with logic gates (AND, OR, NOT). These logic gates can be implemented as creases in paper (with the direction of the crease indicating 0 or 1). The paper describing the proof is called Flat Origami is Turing Complete ( and ). Quanta Magazine has a summary article: . also has the crease patterns for the logic...
info_outline 473: Math Is Not the AnswerEmbedded
Philip Koopman joined us to talk about how modulo 255 vs 256 makes a huge difference in checksum error detection, how to get the most out of your checksum or CRC, and why understanding how they work is worth the effort. Philip has recently published . He’s better known for as well as his two books about safety and autonomous vehicles: has a number of videos with great visuals to go along with his books. He also has three(!) blogs: (including a ) Currently, Phil is a professor at Carnegie Mellon University (). You can follow him on . Elecia read (and give...
info_outline 472: Field of BoxesEmbedded
Making Embedded Systems, 2nd Edition came out today! Chris and Elecia talk about the changes, the writing, but not the eldritch horror. Then we talk about pianos and origami. The electronic version is available now on , , Google Play and where you get your ebooks. The paper copy will be out in about two weeks, you can preorder now. It is also available on the O’Reilly Learning System, here is a . See the Embedded.fm , sign up for future newsletters . Memfault is hosting its first launch week of the year! On Tuesday, March 12th, Memfault CEO François Baldassari will...
info_outline 471: Bicycle Built For TwoEmbedded
Where electronics meets music, there is a board called Daisy. Created by ElectroSmith, Andrew Ikenberry, the goal of the board is to teach computers to sing. Andrew joined us to talk about music, audio processing, instruments, product design, and electronic manufacturing. See the website, specifically the . The is extensive (with many ). Also see their . Electrosmith is offering 5% off until mid-March for folks with the coupon code mentioned in the show. We mentioned a number of synths but the is particularly nifty. (and (and if that doesn’t give “teach computers to sing” a...
info_outline 470: Upping the Chaos LevelEmbedded
Helen Leigh joined us to talk about putting together conferences (including Teardown 2024), indie hardware producers (including via Crowd Supply), and building communities. Teardown will be June 21-23 in Portland, OR, USA. More information about or . Early bird tickets are available for a limited time! Teardown is put on by , a company that helps hardware companies launch products. is a regular meetup that Helen organizes. Helen will be hosting a meetup in Oakland, CA, USA on Feb 15: . She is also hosting a San Francisco, CA meetup on March 6: . Helen’s personal site is . She has...
info_outline 469: Saving the World Is Not a HobbyEmbedded
Chris and Elecia chat with each other about motor encoder reading methods, conferences coming up, soldering irons, schematic reviews, looking for a new job, and general life. Some conferences coming up in the embedded space: , April 29-May 4, virtual (Elecia will be speaking) in May 3-4, Montreal, Canada in April 9-11 in Nuremburg, Germany Starter soldering irons? It seemed like small pen-style ones were more popular than big soldering stations. See the . Or for much less (but you can write your own firmware!), the . And one vote for the because it uses Weller RT tips (which...
info_outline 468: Designed to Kill All HumansEmbedded
Anders Nielsen joined us to talk about why the 6502 is the best processor. Anders also sells 65uino kits on his store: . For more explanation of what they are, how they work, attaching peripherals, and programming in assembly, look at Anders’ YouTube channel , read his blog on , or read about it on its .** We also mentioned , , and Rodnay Zaks’ . ** Anders was a two time semi-finalist for the Hackaday Challenge but we didn’t talk about that. . Memfault is making software the most reliable part of the IoT with its device reliability platform that enables teams to be more proactive...
info_outline 467: Temporary AxolotlEmbedded
Chris and Elecia talk about cars, fleeting moments of fame, their year, and the sorry state of tools in the embedded space. . After this, someone else asked the chatbot to sell a car for $1. is an organization that takes Lego bricks and turns them into sets for kids who don’t have any. Speaking of re-use, contact the show if you’d like to get in touch with Nelson. Chris is on 4 tracks on Flavigula’s album . He also enjoyed putting together an . Elecia will be speaking at the .
info_outline 466: Attacked by a Goose on the Way to the OfficeEmbedded
Ralph Hempel spoke with us about the development of Lego Mindstorms from hacking the initial interface to running Debian Linux as well as programming Mindstorms in Python. Happy 25th birthday to Lego Mindstorms! is a MicroPython based coding environment that works across all Lego PoweredUp hubs and on the latest Mindstorms elements. The creators are David Lechner and Laurens Valk. Ralph was the first person to boot a full Debian Linux distro on the brick, see , a Debian Linux for Lego Mindstorms EV3. was originally a site for third party resellers of new and used Lego sets and...
info_outlinePhoenix 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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Archaeologies of Touch: Interfacing with Haptics from Electricity by David Paris
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Critical Play: Radical Game Design by Mary Flanagan
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Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy by Cathy O'Neil
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Gone Home (Steam game)
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Her Story (Steam game)
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Bury me, my Love (Mobile game)
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#selfcare (Mobile game)
Phoenix was previously on Embedded 204: Abuse Electricity