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

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

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

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

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

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

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

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

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

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

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

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

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

208: What If You Had a Machine Do It

Elecia gave a talk about machine learning and robotics at the Hackaday July Meetup at SupplyFrame DesignLab (video!) and LA CrashSpace. She gives it again in the podcast while Chris narrates the demos. Embedded Patreon Embedded show #187: Self Driving Arm is the interview with Professor Patrick Pilarski about machine learning and robotics applied to prosthetic limbs. I have also written more about my machine learning + robot arm on this blog. My code is in github (TyPEpyt). My machine...

Duration: 00:49:16

111: Potty Train Your Tamagotchi (Repeat)

Natalie Silvanovich (@natashenka) discussed reverse engineering hardware, working on security software, and the fantastic world of Tamagotchis. Natalie's site and blog Hardware Excuse Generator Original CCC 2012 talk: Many Tamagotchis Were Harmed in the Making of this Presentation CCC 2013 talk: Even More Tamagotchis Were Harmed in the Making of this Presentation Natalie's upcoming BlackHat talk: Attacking ECMAScript Engines with Redefinition Flash exploit article for Project Zero:...

Duration: 00:50:33

78: Happy Cows (Repeat)

Chris Svec (@christophersvec) has an idea about adding empathy to software development. It is a good idea. His blog is Said Svec. He works for iRobot and they are hiring. (Chris' email is given toward the end of the show but if you hit the contact link here, we'll pass along info to him.) Obligatory cat video Embedded has an episode devoted to impostor syndrome. O'Reilly's Head First book series is pretty awesome. Elecia is still talking about Thinking, Fast and Slow as a great way to...

Duration: 01:07:34

207: I Love My Robot Monkey Head

Professor Ayanna Howard of Georgia Tech joins us to talk about robotics including how androids interact with humans. Some of her favorite robot include the Darwin, the Nao, and, for home-hacking, the Darwin Mini. Ayanna has a profile on EngineerGirl.org, a site that lets young women ask questions of women in the engineering profession. Elecia has been working on a typing robot named Ty, documented on the Embedded.fm blog. It uses a MeArm, on sale in July 2017 at Hackaday.com, with coupon...

Duration: 01:01:12

206: Crushing Amounts of Snow

This week, we mix things up a bit. This joint show with the Don't Panic Geocast. This episode explores what happens when electrical engineering meets geoscience in cold places. We’re joined by guest Dr. Sridhar Anandakrishnan of Penn State to talk about geopebbles, ice, climate, and more! Asimov Robot SeriesAnthropornis (giant penguins)Ice crystal structureIce streamsGeoPebblePropeller Programming (Book)Fun Paper Friday: The Boring Company

Duration: 01:02:08

205: Questions about Dumplings

This week we talked to Addie (@atdiy) and Whisker (@whixr), the Toymakers (@Tymkrs). They make electronics kits, videos, and conference badges. Toymakers site (tymkrs.com) has a link to their IRC channel, videos, and Tindie store (including those amazing heart simulators, the easy to make Amplify Me, and Protosynth Midi). Their reddit community is r/Tymkrs. It has a lot more information about the CypherCon 2017 badges. More about CypherCon at cyphercon.com. Some of their ZombieTech...

Duration: 01:10:22

204: Abuse Electricity

Phoenix Perry (@phoenixperry) spoke with us about physical games. Phoenix is CTO of DoItKits (@DoItKits) and More about Phoenix: Bot PartyPhoenixPerry.comGoldsmith’s pageObelisk GatePhysical games are sometimes called Alt Ctrl such as at the Alt Ctrl Game Jam. Phoenix co-founded Code Liberation with Nina Freeman (http://ninasays.so/) and Jane Friedhoff (http://janefriedhoff.com/). “Code Liberation catalyzes the creation of digital games and creative technologies by women, nonbinary,...

Duration: 00:55:25

203: Save My Board

Charlie Ladd (@csladd) joined us to give an overview of good hardware practices. The oil quality sensor is from VSI Oil. Recent fiction included Ready Player One, John Scalzi, and Matthew Mather. To stay current, Charlie reviews the trade magazines: EEWeb.com, EDN, ECN, and EETimes. A junior engineer's tale of woe.

Duration: 00:59:56

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