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Episodes

226: Camp AVR Vs. Camp Microchip

12/14/2017
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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 but interesting. We talked to SEGGER’s Dirk Akeman about JLink on #218: Neutron Star of Dev Boards. Please note that our Patreon model has shifted to monthly instead...

Duration: 01:20:47


225: When Toasters Attack

12/7/2017
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Maria Gorlatova spoke with us about how the combination of devices and cloud computing will change the world as we know it. Maria’s bio, blog, and LinkedIn page. Other topics: Federated Learning from GoogleAWS Greengrass from AmazonBlack Mirror from NetflixNote: we really should have talked about Amazon and FreeRTOS. I heard another podcast might have mentioned it. We’ll try to get more info soon.

Duration: 01:03:26


124: Please Don't Light Yourself On Fire (Repeat)

11/29/2017
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Windell Oskay (@Oskay) of Evil Mad Scientist Laboratories (@EMSL) told us about co-authoring a book: The Annotated Build-It-Yourself Science Laboratory. Some great EMSL links: A signed copy of Windell's bookDis-integrated 555 timer kitCandle flicker LEDsEMSL blog postEggBot Pro!The book Chris brought up was Thinking Physics. Windell is also on Google Plus. Contest to get Windell's signed book has already ended!

Duration: 01:16:02


224: Interrupts to Interrupt Interrupts

11/22/2017
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Andrei Chichak joins Elecia and Christopher to do a deep dive into the world of interrupts. Andrei writes on our blog: Embedded Wednesdays. He has written specifically about interrupts in multiple ways: general introduction, buttons and debouncing, peripheral data transfer via DMA, and so on). The knock-knock joke comes from Chris Svec’s Embedded.fm blog post on interrupts. Jack Ganssle on debouncing buttons

Duration: 01:18:57


223: Gregorian Chants and Things

11/16/2017
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Christopher (@stoneymonster) and Elecia (@logicalelegance) chat about listener questions and things they’ve been up to. A listener turned Chris on to Ray Wilson and his Music From Outer Space website on DIY analog synths and book Make: Analog Synthesizers. After collecting parts for a total DIY, he found and built a neat kit: Kastle Synth (as heard on the show) and has connected it to his Roland SE-02 Analog Synthesizer (on Amazon). BTW, his ham radio WSPR kit is the Ultimate 3 in case you...

Duration: 01:02:06


222: Virtual Bunnie

11/9/2017
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Jonathan Beri (@beriberikix) spoke with us about his double life: Particle.io product manager by day, maker by night (and weekends). Jonathan wrote a chapter about piDuino5 Mobile Robot Platform in JavaScript Robotics. Product manager resources from product.careers and Ken Norton's Newsletter. For an alternate take, there is good cartoon about effective product management from Henrik Kniberg. For getting into open source lines, see the guide from Github. Also, there is a newi-sh...

Duration: 01:02:04


221: Hiding in Plain Sight

11/1/2017
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Author Jimmy Soni (@jimmyasoni) spoke with us about his biography of Claude Shannon, founder of information theory and digital circuit theory. A Mind at Play: How Claude Shannon Invented the Information Age by Jimmy Soni and Rob Goodman. For an introduction to the book, read their post 10,000 Hours With Claude Shannon: How A Genius Thinks, Works, and Lives. Rome's Last Citizen: The Life and Legacy of Cato, Mortal Enemy of Caesar by Jimmy Soni and Rob Goodman The Idea Factory: Bell Labs...

Duration: 01:09:11


220: Cascading Waterfall of Lights

10/26/2017
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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...

Duration: 01:09:00


62: Costs a Penny to Go to the Bathroom (Repeat)

10/19/2017
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Josh Bleecher Snyder (@offbymany) joined us to talk about PayPal's Beacon, being acquired, the Go programming language, BTLE, computer vision, and working at a large company after founding small ones. Bluetooth Low Energy: A Developer's Handbook by Robin Heydon TI CC2540 BTLE module Learning OpenCV: Computer Vision by Gary Bradski and Adrian Kaehler Gatt is a Go package for building Bluetooth Low Energy peripherals (video description by Josh from GopherCon 2014) Card.io Machine...

Duration: 01:06:09


219: Not Obviously Negligent

10/12/2017
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Kelly Shortridge (@swagitda_) spoke with us about the intersection of security and behavioral economics. Kelly’s writing and talks are linked from her personal site swagitda.com. Kelly is currently a Product Manager at SecurityScorecard. Thinking Fast and Slow by Daniel Kahneman What Works by Iris Bohnet Risky Business, a podcast about security Teen Vogue’s How to Keep Your Internet Browser History Private Surveillance Self-Defense from EFF, including security for journalists as...

Duration: 01:15:00


218: Neutron Star of Dev Boards

10/5/2017
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Dirk Akeman of SEGGER (@SEGGERMicro) joined us to talk about debugger specifics. OzoneSystemViewJlink ProductsTurning an ST-Link on a development board into a J-LinkWe recently did two other shows on debugging: a general intro with Alvaro Prieto and one with a focus on the development-system’s debugger software interface with Pierre-Marie de Rodat. Herd immunity and find a flu shot And, yes, we did bleep Dirk's answer for favorite processor because he later reconsidered the idea that he...

Duration: 00:52:46


217: 10000 Pounds of Pressure

9/28/2017
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Bob Skala of Interactive Instruments spoke with us about very large servo motors, wind tunnels, and staying current in tech. Hydraulic Press YouTube channel (and our favorite video) The Wright Brothers by David McCullough Other good tech podcasts included The Amp Hour and HamRadio 360 WorkBench Chris talked about getting into WSPR in 197: Smell the Transistor but we first talked about it in 76: Entropy is For Wimps. The new WSPR mode he mentioned is called FT8 (google it). And a note...

Duration: 00:56:06


216: Bavarian Folk Metal

9/21/2017
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Carmen Parisi (@FakeEEQuips) joined us to talk about electronics and podcasts. Carmen works on switching regulators. If you want to know more, he sent along some very basic application notes: How to Apply DC-DC Step Down Regulators (Analog Devices) and Switching Regulator Fundamentals (TI). The digital communication method with these switchers is the I2C-like PMBus. If all those make sense, dive a little deeper with chapter 9 of the online and free Linear Circuit Design Handbook. Carmen...

Duration: 01:04:38


215: Heisenbugs

9/14/2017
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Alvaro Prieto (@alvaroprieto) joined us to talk about the basics of debugging, from software to hardware. Some of the programmer devices we talked about: SEGGER JLink and Black Magic Probe. Chris mentioned a visual frontend for gdb called "Vulcan" but which is actually called Voltron. (He's got graphics on the brain). How did we forget to mention the six stages of debugging? Alvaro Prieto and Jen Costillo's new podcast on reverse engineering! And on Twitter as @unnamed_show. Alvaro's...

Duration: 01:12:44


214: Tiny Sensor Problems

9/7/2017
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Kristen Dorsey explained MEMS sensors: how do they work, how they are made, and what new ones we expect to see in the future. Kristen’s website is kristendorsey.com. She is a professor of engineering at Smith College and runs the MicroSmithie. MEMS stands for microelectromechanical systems (Wiki). Used in some sensors, Galistan is a room-temp liquid with interesting properties (Wiki). A few interesting MEMS applications: Micronium2-stroke gas enginePinball machine One of Kristen's...

Duration: 00:54:40


213: Electricity Doesn't Act Like an Apple

8/31/2017
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Gretchen Bakke spoke with us about the future of power generation and transmission. Her book is The Grid: The Fraying Wires Between Americans and Our Energy Future. Gretchen is a professor of anthropology at McGill University. Gretchen’s website The book’s Facebook page Grechen’s first book is Anthropology of the Arts: A Reader

Duration: 01:17:50


212: You Are in Seaworld

8/24/2017
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Kwabena Agyeman joined us to talk about making OpenMV (@OpenMVCam), an easy-to-use camera and control module with built-in machine vision functions, all interfaced via MicroPython. To learn more about computer vision, Kwabena suggested looking at PyImageSearch or reading the April tags code as it is a good introduction to image manipulation and matrix operations. Some other interesting links: Ferrari World, view from satelliteNetflixDIY RobocarsCMUCamgood episode about...

Duration: 01:11:50


211: 4 weeks, 3 days

8/17/2017
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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: part 1part 2Rules...

Duration: 01:20:00


210: The Glass Hour

8/10/2017
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Alan Yates (@vk2zay) told us about his entries to the 2017 Flashing Light Prize. Alan's entries involved making a light bulb and dripping charge. Alan works at Valve. He told us about making virtual reality hardware in Embedded episode 162: I Am a Boomerang Enthusiast. Hackaday SuperCon is Nov 11-12, 2017 in Pasadena.

Duration: 00:46:58


209: Debuggerception

8/3/2017
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Pierre-Marie de Rodat (@pmderodat) joined us to talk about how debugger software works (and what compilers tell the debugger). Pierre-Marie works for AdaCore on GNATcoverage (among other things). His github repo is pmderodat. Note that the AdaCore sponsored Make with Ada competition is running right now but you still have time to enter! Last year’s winner, Stephane Carrez with EtherScope, made an Ethernet monitor for an STM32 board (github). GDB supports Python scripting!?!!! DWARF is...

Duration: 00:53:14

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