Shows
Circuit Break - A MacroFab PodcastEP#443: Conductive CuisineIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig delve into the fascinating and somewhat humorous topic of hot dog conductivity. They explore an in-depth study conducted by Seth Jenkins, Neil LaTourette, and Brendan Liverman on how boiling time affects hot dog conductivity. The hosts also discuss the historical Presto Hot Dogger, community experiments involving hot dogs, and various methods of cooking hot dogs, all while interspersing their own anecdotes and insights. This episode is a blend of scientific curiosity and light-hearted banter, making for an entertaining listen.Key Discussion Points:Introduction to hot...
2024-08-0946 min
Circuit Break - A MacroFab PodcastEP#442: Wanting To Be A Wizard - Matt BrownIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig are joined by Matt Brown, an inventive engineer and YouTube content creator renowned for his electrifying DIY projects and creative automotive builds. The trio delves into the concept of "good enough engineering," where Matt shares insights from his career, including his experiences working at Tesla and on various personal projects like the land speed car and the off-road Viper. The discussion also covers the challenges of engineering in unpredictable environments, the balance between planning and improvisation, and the joy of creating new things.Key Discussion Points:
2024-08-0256 min
Circuit Break - A MacroFab PodcastEP#441: Exploring the Arctic Through Art and Technology with Cy KeenerIn this episode, Parker Dillmann and Stephen Kraig chat with Cy Keener, an interdisciplinary artist who merges art and technology to document and visualize the natural world. Cy discusses his journey from architecture to creating custom instruments and sensors for scientific research in the Arctic. He explains how his work helps visualize complex phenomena like sea ice and ocean waves, and shares insights into his collaboration with scientists. Cy also delves into the engineering challenges of building durable sensors for extreme environments and the artistic process of transforming raw data into compelling visual art.Key Discussion Points:
2024-07-261h 04
Circuit Break - A MacroFab PodcastEP#440: HMLV - High Mix Low VolumeIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig dive deep into the concept of HMLV (High Mix Low Volume) PCB manufacturing. They discuss the challenges and advantages of HMLV, contrasting it with high volume manufacturing methods used by giants like Apple and Foxconn. They also share personal project updates, including Parker's PWM fan controller and Stephen's work on LED matrix driving. The episode wraps up with insights into MacroFab's latest platform updates and the creation of an ultimate glossary of electronics and PCBA terms.Key Discussion Points:Introduction to HMLV: What does High...
2024-07-191h 23
Circuit Break - A MacroFab PodcastEP#439: The Nuts and Bolts of Quantum Computing - Rick AltherrIn this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig welcome Rick Altherr, a full stack engineer, to discuss the intricacies of quantum computing. Rick shares insights into the working of quantum processors, particularly the trapped ion approach used by IonQ, and delves into the technical challenges and potential future applications of quantum computing. The conversation covers the practicalities of building quantum computers, the nature of quantum algorithms, and the current limitations that keep quantum computing in the R&D phase.Key Discussion Points:Introduction to Rick Altherr and his background in quantum...
2024-07-121h 08
Circuit Break - A MacroFab PodcastEP#438: Solder SlugsIn this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig dive into the nuances of working with contract manufacturers, specifically focusing on the responsibilities of both the designer and the manufacturer. They discuss critical topics such as reflow profiles, solder specifications, parts washing, and the benefits of allowing your CM to handle PCB panelization. Parker also shares updates on his personal project, the PropFan controller, detailing its features and the challenges faced during its development.Key Discussion Points:What information can you assume your CM will handle?Reflow profile considerationsSolder specifications and BGAsParts washing...
2024-07-051h 00
Circuit Break - A MacroFab PodcastEP#437: Embarrassingly Parallel Computing - Steve FurberIn this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig interview Steve Furber, Professor Emeritus of Computer Engineering at the University of Manchester. They discuss his early career at Acorn Computers, the development of the BBC Micro and the ARM processor, and his work on the SpiNNaker project, which models brain functions using a million ARM processors. Furber shares insights into the challenges and successes of these projects and provides advice for aspiring engineers.Key Discussion Points:Steve Furber's early career at Acorn ComputersDevelopment of the BBC MicrocomputerChallenges faced in early computer developmentDesign philosophy...
2024-06-2852 min
Circuit Break - A MacroFab PodcastEP#436: International Women in Engineering Day with Kaylan Smith and Laura ManleyIn this special episode celebrating International Women in Engineering Day, hosts Parker Dillmann and Stephen Kraig are joined by Kaylan Smith, Lead Software Developer for Supply Chain and Finance at MacroFab, and Laura Manley, Product Manager for Marketplace & Factory Experience at MacroFab. They discuss their journeys into engineering, challenges faced, and the importance of diversity and inclusion in the field. The episode highlights personal stories, experiences, and insights into how they navigated their careers and the future of women in engineering.News/Announcements:June 23rd is International Women in Engineering Day.Kaylan and Laura share their...
2024-06-211h 04
Circuit Break - A MacroFab PodcastEP#435: Prioritize to learn to Prioritize - Engineering Career PathsIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig, along with special guests Chris Gammell and James Lewis, discuss various aspects of engineering career paths. They delve into how they chose engineering, their first jobs, reasons for changing jobs, and what being an engineer means at different career stages. They also reflect on what they wish they had known earlier in their careers and share some personal anecdotes about non-engineering jobs they've held. The discussion is rich with insights and advice for both new and experienced engineers.Key Discussion Points:How the hosts and...
2024-06-141h 08
Circuit Break - A MacroFab PodcastEP#433: Building LibrePCB - Urban Bruhin's Journey in Open Source EDAIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig welcome Urban Bruhin, the creator of LibrePCB, an open-source EDA tool. Urban shares his journey from being an electrical engineer to developing LibrePCB, driven by his dissatisfaction with existing EDA tools like Eagle. The discussion covers the unique features of LibrePCB, the challenges faced during its development, and the design philosophy behind its advanced library concept. Urban also discusses the future of LibrePCB and how the community can contribute to its growth.Key Discussion PointsUrban Bruhin's background and inspiration for creating LibrePCB.The challenges...
2024-05-3154 min
Circuit Break - A MacroFab PodcastEP#432: Remote OwnershipIn this episode of Circuit Break, Parker Dillmann and Stephen Kraig discuss the recent increase in semiconductor tariffs and its impact on the electronics industry. Parker shares insights from his latest article analyzing how these tariffs affect bill of materials costs. The hosts also dive into a compelling news story about ASML and TSMC's ability to disable chip machines remotely in the event of geopolitical conflicts, particularly if China invades Taiwan. They explore the ethical implications and security concerns surrounding this capability. Personal project updates include Parker's work on Python scripting to automate data extraction from invoices....
2024-05-2459 min
Circuit Break - A MacroFab PodcastEP#431: Timing Tariff ModulationsSummaryIn this episode, Parker Dillmann and Stephen Kraig delve into the fascinating world of time modulation, discussing recent advancements in capacitor technology. They explore a new dielectric structure made from barium titanate and its potential impact on energy density and efficiency. The hosts also discuss the implications of new tariffs on semiconductors and other goods from China. Additionally, they touch on new developments from the Raspberry Pi Foundation and share updates on Parker's personal projects, including his work on a 1965 Checker Marathon engine.News/AnnouncementsNew tariffs announced by the U.S. government: 50...
2024-05-1753 min
Circuit Break - A MacroFab PodcastEP#430: The Toilet Mountain of Social MediaSummary:In this episode, Parker Dillmann and Stephen Kraig delve into the hefty topic of U.S. funding for 'digital twin' chips research under the CHIPS Act, comparing its budget to other big expenditures like Boeing's Starliner and military budgets. They also discuss EDA tool pricing, breaking down costs from freeware to industry heavyweights, and the implications for small vs. large businesses. Additionally, Parker shares his personal project update on his first KiCad PCB.Key Discussion Points:Introduction to the topic of U.S. funding for 'digital twin' chips research and its comparison to...
2024-05-101h 08
Circuit Break - A MacroFab PodcastEP#428: Repairing the Retro FutureThis week we dive into the fascinating world of vintage tech repair, focusing on efforts to preserve General Motors' futuristic '80s digital displays. Hosts Parker Dillmann and Stephen Kraig discuss the resilience and repair techniques of the Visual Information Center (VIC) screens, introduced in the late '80s. They also highlight MacroFab's new inventory management features that streamline the process for electronic components, ensuring efficient project management and system updates.Discussion Highlights: Launch of MacroFab's enhanced inventory management system, improving component tracking and project management.The survival and repair techniques of GM's '80s digital d...
2024-04-2655 min
Circuit Break - A MacroFab PodcastEP#425: MacroFab Platform Updates from Kyle McLeod and Nicholas LundgaardThis week, hosts Parker Dillmann and Stephen Craig are joined by Kyle McLeod, the OE Project Manager, and Nicholas Lundgard, the OE Team Lead at MacroFab. They delve into recent software releases enhancing the ordering experience on the MacroFab platform, including ITAR compliance, improvements in design file uploads, and the introduction of customer-furnished material options. They discuss the importance of seamless user interactions for uploading PCBs, placing orders, and how MacroFab's platform facilitates these processes. The episode provides insights into MacroFab's efforts to make PCB manufacturing more accessible and efficient for their customers.Discussion Highlights:Introduction...
2024-04-0959 min
Circuit Break - A MacroFab PodcastEP#417: Cloud of DisksJoin Parker and Stephen as they delve into Japan's decision to phase out floppy disks and CD-ROMs for government submissions. From reminiscing about nostalgic tech quirks to analyzing the challenges and benefits of this transition, they explore the implications for industries and digital competitiveness. Discussing Japan's slow tech evolution, resistance to cloud systems, and the enduring use of floppy disks in various sectors, they ponder the future of outdated tech and its impact on global standings. Tune in to gain insights into the end of an era and what it signifies for technology and society.
2024-02-1341 min
Circuit Break - A MacroFab PodcastWelcome to Circuit Break - A MacroFab PodcastPrepare to plug into the world of electrical engineering on Circuit Break - A MacroFab Podcast. Join two adventurous engineers, Parker Dillmann and Stephen Kraig, as they dissect the latest tech innovations, break down industry news, navigate the challenges of DIY projects and engage in compelling conversations with industry experts. Their real-world practical experience fuels their infectious passion and serves as the driving force behind a show that delves into both theoretical concepts and practical issues engineers face. Parker and Stephen speak with fellow engineers, makers, hackers, and business leaders, creating a dynamic space f...
2024-01-2401 min
Circuit Break - A MacroFab PodcastEP#403: Captured PadsParker and Stephen check in with the new Circuit Break Discourse community and a Chip of the Week discussion initiated by mobius_striptease, a closer look at the LT3073 3A, Ultra-Low Noise, High PSRR, 45mV Dropout Ultra-Fast Linear Regulator, a discussion about in and out pads ensues, Parker digs into Weldestroyer updates and how he found that a footswitch could not handle sourcing much current, which means my analog solution is out of the question, Parker provides a Box Truk update, focusing upon the A/C Selector and Protection Panel, exploring Shore power, and much more!
2023-11-0751 min
Circuit Break - A MacroFab PodcastEP#402: Consciously Collecting ConceptsParker and Stephen discuss Parker’s participation in Extra Life Day: Revenge of the Holiday Special on November 4, 2023, in which he’ll be playing and streaming STAR WARS Jedi: Fallen Order for 24 hours to raise funds for kids at his local Texas Children's Hospital, the related but unusual Star Wars Halloween costume he’ll be donning this year, checking in with the new Circuit Break Discourse community, how member Tom_Look prompted a discussion about how people organize projects, ideas, and part numbers, and extensive catch-up and update about Parker’s Box Truk, and much more! Relev...
2023-10-3154 min
Circuit Break - A MacroFab PodcastEP#398: Duke Nukem v. Parker, Raspberry Pi 5, Weldestroyer!Parker and Stephen discuss Parker’s past and upcoming Extra Life Day charity work, in which he plays video games like Duke Nukem and STAR WARS Jedi: Fallen Order to support Children’s Miracle Network Hospitals, a rather deep dive into the newly launched Raspberry Pi 5, personal project updates from Stephen about the Weldestroyer 3000, and much more! Relevant links:Extra Life Day: Revenge of the Holiday SpecialMEP EP#105: Community DiceIntroducing : Raspberry Pi 5MEP EP#361: Cold Welding This Podcast TogetherThank you for listening to the MacroFab Engineering Podcast! We’d love to hear wha...
2023-10-0649 min
Circuit Break - A MacroFab PodcastEP#394: GPUs D.O.A, Reverse Polarity Problems, 3D Printer PicklesParker and Stephen discuss some MacroFab updates including news about their pod community and Slack, what’s wrong and right about high-end GPUs and the marvels of KrisFix and his YouTube repair channel, what’s up with consumer electronics and their lack of reverse polarity protection, and Parker muses about when it’s time to call it day for a 3D Printer. More on these topics:Community:New community hub! Shifting away from the Slack channel?Are you in or near Houston, Texas any time soon? Please come out to...
2023-09-0851 min
Circuit Break - A MacroFab PodcastEP#386: When Will AI Replace Podcast Hosts?Delve into the world of AI in chip design, exploring the limitations and benefits of AI, its impact on productivity and the labor market, and the future of this technology. We also join Parker on another exciting installment of his Box Truck project as he converts a truck into an RV. We discuss the limitations of warranties and power systems for conversions. Tune in for a captivating conversation!Text:AI Can't Design Chips Without People 🤖Advancements and challenges in AI's role in chip design, optimizing performance, layouts, and qual...
2023-07-1455 min
Circuit Break - A MacroFab PodcastEP#379: Taking Pictures with Magnetic FluxMEP EP#379: Taking pictures with magnetic fluxTwo major topics this week! Major Box Truck updates and going over the Texas DMC Occupations Code for what a Motor home is. Then we flash back to the year 2000. Parker was only 13 years old when he took a photography merit badge class for scouts and was introduced to digital photography through the Sony MVC-FD5. This Sony camera stores images on a floppy disk. Will this archaic storage media sink Parker’s nostalgia for this camera or will it just spawn extra projects? Podcast News:Switching Podcast ho...
2023-05-201h 14
Circuit Break - A MacroFab PodcastEP#378: Crawfish ConundrumMEP EP#378: Crawfish ConundrumCooking crawfish a mile above sea level? How will the crawfish cook differently? On this episode of the MacroFab Engineering Podcast, Parker and Stephen discuss the different seasoning, boil and soak times, and building an inexpensive boil pot from materials and supplies Stephen already has. Parker also makes the Box Truk an official project on the podcast even though it has nothing to do with electrical engineering. The last topic is on 3D printing and what is the state of Parker’s and Stephen’s machines and what they use the 3D printers for...
2023-05-121h 06
Circuit Break - A MacroFab PodcastEP#376: Starting From The BeginningMEP EP#376: Starting From The BeginningWhen did you start listening to the podcast? Have a favorite episode? Let Stephen and Parker know which is your favorite. Also, we are going to do another design contest! The Box Truck also gets an update from Parker.May the Fab be with you! MacroFab event page.Topics:Favorite Episodes from listeners? When did you start listening to the podcast?Stephen’s Favorite episode?Brandon Sander of Inheritance MachiningIdea Tank episodesEpisode #77Episode #223Episode #296Parker’s Favorite episode?Centex Paranormal EpisodeJOSH - the podcast edito...
2023-04-2659 min
Circuit Break - A MacroFab PodcastMEP EP#296: IdeaFab - Does This Podcast Change The World?MEP EP#296: IdeaFab - Does This Podcast Change The World?The IdeaTank Podcast
Scott Hansen and Eric Benzenhoefer are idea men who, not humbly, seek to change the world through sharing their million dollar ideas, and humbly, seek to make a podcast talking about their ideas.
Previous Episodes With the IdeaTank Podcast
MEP EP#77: The IdeaFab Podcast
MEP EP#223: The Inverted Success Funnel – IdeaFab
The Ideas
Eric Benzenhoefer
5 Stars to a better tomorrow…
Going to perfect feedback!
Scott Hans...
2021-09-301h 24
Circuit Break - A MacroFab PodcastMEP EP#230: We Are All Idiots Together On This PlanetMEP EP#230: We Are All Idiots Together On This PlanetParker
Brewery is autotuned and sight gauges calibrated
New Alternator for Wagon
Brewery is “done” from a build standpoint for this season
Parker’s next podcast project
Stephen
On track to brew on Saturday!
Got the whole box built and wired over the weekend
Cheapo pump from amazon just arrived today
EDA workflow and footprints
Do you do things based on the footprint?
When is it ok to rely on someone else's footprint?
Standards?
JEDEC
2020-06-241h 04
Circuit Break - A MacroFab PodcastMEP EP#229: Get Cute This WeekendMEP EP#229: Get Cute This WeekendParker
Brewery Lives!
Test boil and Process
Issues with the current iteration of the brewery
What is next
Take Inventory of Brew Equipment
Spare parts
Storage on cart
Clean and Fire up Fermentation chamber
Clean the brewery
Ingredients
BREW
Future?
Motorized valves to simplify the fluid transfer process
Drains at bottom of vessels?
Better way to change set points on the PID controllers?
A/C window unit Wine Chiller
Parker Kool 2800
Issues and gotchas for future
Stephen
My (Stephen's) Jelly Project
...
2020-06-1757 min
Circuit Break - A MacroFab PodcastMEP EP#214: It is Probably SafeMEP EP#214: It is Probably SafeParker
Just got back from vacation
Have not worked on any projects since last episode
Watched lots of old er James Bond movies
Should we do a Spy gadget episode if we can get the right guest?
Stephen
Simulation of the Week: Behringer Model D Oscillator Core
Lots of cool stuff going on
Exponential converter
Constant current capacitor
Discrete opamp with discrete comparator
CNC Update
Base built and topped with a torsion box
¾” MDF construction
Gantry is on but needs some lov...
2020-03-0453 min
Circuit Break - A MacroFab PodcastMEP EP#213: My CNC Will Melt In Your MouthMEP EP#213: My CNC Will Melt In Your MouthParker
Going to be doing Webinars for MacroFab.
How MFs tools make you a better electrical engineer and supply chain manager
Learning AutoDesk Fusion360
Getting pretty good
Learning from Youtube and Stephen
Can be almost as fast and proficient as Parker was in Sketchup
Braze it 420
Learning to braze brass radiators and steel gas tanks
Make sure there is no gas fumes!
Stephen
CNC
Trying to buck the standard
Jointer/Planer -> table -> electrical work -> table...
2020-02-2658 min
Circuit Break - A MacroFab PodcastMEP EP#202: Not Into The Meat LoafMEP EP#202: Not Into The Meat LoafParker
PinoTaur Revision 2 is ordered!
Should be ready early January
Cable construction and design
Electrical Components where do they come from?
COO or Country Of Origin
Mouser has a new API
Arrow has an API but...
Brewery Update
Electrical box needs wire management
Majority of the fittings arrived
Tube straightner
Parker's house will end up being half tools and half projects
Stephen
SMPS design with polygons
Another Ti Webench design to the rescue!
12V down to 3.3V
Need to test...
2019-12-111h 05
Circuit Break - A MacroFab PodcastMEP EP#200: Rotary Alarm SystemMEP EP#200: Rotary Alarm SystemParker
Air Raid Siren Completed
Working on the power sub system for a D.C. Badge
Based on the successful DOOM SAO power system
USB Type-C for “cable” power
5.1K on both CC pins
Gives us 1.5A at 5V which is plenty of juice
Alkaline Primary Cells
TPS2113 for switching between cable power and the batteries
SAO connector implementation with proper current limiting
Gonna try a small little buck switcher
TLV62568 to knock the USB and battery voltage down to the 3.3V we need.
Going to desi...
2019-11-271h 21
Circuit Break - A MacroFab PodcastMEP EP#199: High Voltage Gyrators and KiCad PluginsMEP EP#199: High Voltage Gyrators and KiCad PluginsParker
50V power pack update
Managed to safely remove the cells
Protection circuit is functioning correctly
One of the 4 banks is “bad”
Scrapping all the 18650’s for future projects
Helping Ben debug the Atari Junior 2600 Single Chip system
Atari 2600's typically have 3 main ICs
6507 CPU
RIOT (RAM and I/O)
TIA (Graphics and Sound)
Air Raid Siren all printed
Needs final fitment and assembly to be completed!
Stephen
Rackmount case
Designed a rackmount case for a 1u preamp
New v-scor...
2019-11-201h 12
Circuit Break - A MacroFab PodcastMEP EP#198: Digital RazorbladesMEP EP#198: Digital RazorbladesParker
Pinotaur REV 2
REV 1 is being tested inside of a pinball machine
ABC (Automotive Butt Cooler)
Idea for DEFCON?
Lithium battery pack fix?
Mother’s electric bicycle
50V pack all 18650s
The pack is good but no output
Carburetor rebuilding trick?
Stranded copper wire as a "brush"
4 wheeler
Generator
Stephen
Beer monitor
Still need a name
Parker's parts have arrived
Need to get solid state relays in
Mount to or...
2019-11-131h 04
Circuit Break - A MacroFab PodcastMEP EP#190: Sealed TigersharksMEP EP#190: Sealed TigersharksRecap of the Design Contest
29 entries
Judge List
Charlyn Gonda
Joe Grand
Sophi Kravitz
Whitney Merrill
Winner List
1st : Parker Newman with the Room Temperature Cup Holder
2nd : Dillon with the Clap-Activated Applause Machine
Third : SirDan with the Unpluginator
Podcast Fav: Jeffrey Bernath with the Mouse Controlled Mouse Controller
Parker
Fixing Hayward Tigershark
One motor not working
Motor is a “sealed” unit
MC33887PEK
UHE1H222MHD6
Winter Project
Upgrading a golf cart to 48V
EZ-GO TFT
Gotta go fast!
Stephen
2019-09-181h 04
Circuit Break - A MacroFab PodcastMEP EP#186: So You Want To Eat Electrons?So You Want To Eat Electrons?The MacroFab Engineering Podcast Design Contest sponsored by Mouser Electronics date has been extended! The contest is to design Useless Machines! We have cash prizes up to $1000 for the winners. The deadline is August 31st and it is closing fast! More information can be found on here!
Parker
Been taking a break from Electronics post Defcon Doom SAO Dash
Installed aftermarket A/C into the Wagon
Stephen
Fermentation controller for brewing
Processor STM32F - maybe 0 family because UART
...
2019-08-221h 16
Circuit Break - A MacroFab PodcastMEP EP#179: Mach 3 CheeseburgersMEP EP#179: Mach 3 CheeseburgersThe MacroFab Engineering Podcast Useless Machine Contest Sponsored by Mouser Electronics is in full swing! We have cash prizes up for grabs. Contest Ends August 10, 2019. Check out the Macrofab Blog and Podcast Episode 175 for more contest details.
Parker
PinoTaur Updates
Simulated Mosfet Driving
Limiting the 74hc595 driver to 10mA
Solenoid Mosfet Current Sensing
ACS711KEXLT-15AB-T
DOOM SAO
Hardware Repo is assembled
Software Next
Detailed instructions on building the environment
How the main code functions
Stephen
Fredman...
2019-07-0357 min
Circuit Break - A MacroFab PodcastMEP EP #172: Triode Mode TariffsTriode Mode TariffsParker
ATSAMD21G18A Breakout works!
Next steps is power design and testing for PinoTaur
Wagoneer Tach Installed.
Will get this documented on the Longhorn Engineer blog
Stephen
Wilkinson Audio Fredman Clip
Cool technique for removing hiss and fizz from your recordings
Manufacturing?
STL that Parker will print
Fired up one channel of the Macroamp in Triode Mode
Working great
Considering a new PCB to clean up the design
DML speakers
Don't sound that great
Working on a "prize" for a future event
2019-05-151h 11
Circuit Break - A MacroFab PodcastMEP EP #163: The Golden Integrated CircuitThe Golden Integrated CircuitParkerPropeller Development Stick Type-C Addition Found the BQ24165RGET to handle the lithium battery power management New battery management IC handles dual inputs thus replacing the TPS2113ADRBR power mux and p-channel mosfet Wagon Tach Project Signal is a 50V pulse from the distributor Arduinos do not like 50V Wagon Powered Mirror PCB Installed! 3D printed a bracket and installed into the door Tag Connect Probe Ends Will give a full report on how well they workStephenMacro Amp Milling...
2019-03-1358 min
Circuit Break - A MacroFab PodcastEP#151: Why Mesh Networking Matters – Brandon SatromBrandon SatromDeveloper Advocate for Particle, an IoT platform companyThe founder of Carrot Pants Press, a company dedicated to educating makersOn the MacroFab Engineering Podcast Episode Number 122, Brandon discussed the Particle Photon and built an IoT breathalyzer with Parker live on the podcastWhat is currently distracting Brandon now?Why mesh networking mattersExisting mesh networking standardsThread/OpenThread and why Particle built OpenThread into 3rd gen devicesWhat is OpenThread?Mesh Christmas Tree project5 device network with a gateway and 4 edge devicesParticle Blog detailing more about the projectOne edge device publishes multicast messages to all other nodes, which light up neopixel strips when those...
2018-12-1948 min
Circuit Break - A MacroFab PodcastEP#137: Vector Simulations for Samsung CapacitorsBefore we get started I would like to thank everyone that entered into the MacroFab Design Contest: Blink an LED Sponsored by Mouser Electronics. The judges are going through the entries this week and we will announce the winners on the blog and typical social media locations on September 17th, 2018. Stephen and Parker will announce the winners of the MacroFab Engineering Podcast Favorite on the next episode 138.StephenBoth Introduction and Design Posts for the uTracer are live on AnalogEng.comVectrexModding the internals to display synthesizer "sounds"Vectrex Service ManualParkerSoftware Defined Radio update Python on the Raspberry Pi talking t...
2018-09-1350 min
Circuit Break - A MacroFab PodcastEP#132: Does not respond after opening LOUD?MacroFab Design Contest: Blink an LED Sponsored by Mouser ElectronicsMore information can be found on the MacroFab BlogGet your blink on!ParkerMEP SAO was completed and an article was written about itMAX6682 breakout board working Time to finish the Jeep MCU board?Wagon skid plate completeStephenuTracer PCB finishedUpdate on uTracer enclosure printing?RFOLearn FPGA Fast with Hackaday’s FPGA Boot CampFPGA BootcampAl Williams is our Speaker at this months Hardware meetup in HoustonWilliams was on the MacroFab Engineering Podcast episodes #94 and #57Pebble watches get reborn? Rebble.ioProject to...
2018-08-0829 min
Circuit Break - A MacroFab PodcastEP#122: Brandon Satrom and the LANoTBrandon SatromDeveloper evangelist for ParticleThe founder of Carrot Pants PressLoves to talk about Javascript, open source, microcontrollers, robots, and what ever new shiny tool or technology that is currently distracting himKitchen Sink of badges designed for Maker Faire San Mateo.Favorite BagelBlinky of IoTParker unboxed a Particle PhotonIncluded in the box is a photoresistor, a LED, breadboard, and some resistorsParker built the circuit and programmed the Photon in under 5 minutesBuilding an IoT DeviceSpec Sensors 3SP Ethanol 1000Low Power Consumption of around 10 to 50 uW0-1000ppm Ethanol rangeIt has 3 analog outputs Vgas which is proportional to the gas we are measuringVref w...
2018-05-311h 07
Circuit Break - A MacroFab PodcastEP#115: From A Current PerspectiveStephenLM13700Dual Operational Transconductance Amplifiers With Linearizing Diodes and Buffers built by Ti?All passive filterNot just a zero ohm resistor ;)Shift the phaseFixing a Kegerator Kegerator was out of gasR-134AParkerUSB Type C article? Updating old USB 2.0 from MicroUSB to Type C?Going to finish my Gameboy VGA adapter Move to HDMI afterwards?BenHeck Show Giant Game boy runs an early version of the codeRFOAmazon’s in-home delivery service now supports eight smart locks Help avoid porch piratesFTC says “Warranty void if sticker removed” is not validCompanies can't put repair restrictions on their products unless they provide the parts or servic...
2018-04-1247 min
Circuit Break - A MacroFab PodcastEP#114: Chasing OscillationsStephenNasty Analog Oscillations Opamps are drama queens of electronicsSolved the oscillation with a small capacitor in the feedback loop to lower the frequency of the feedbackParkerWaiting on circuit boards to be built for the DAC ArticleReworking the Knowledge Base here at the FAB Suggestions for topics are welcome!RFOVoyager 1 Fires Up Thrusters After 37 YearsTrajectory Correction Maneuver or TCM thrustersTCM's where only used for continuous firing mode and not used to angle the craft which requires controlled burst firingEngineers used decades-old data and examined the software that was coded in an outdated assembler language to figure out how to test the TC...
2018-04-0445 min
Circuit Break - A MacroFab PodcastEP#107: Orthogonal for Mutual ConductanceStephenMelted Solid State Relay in electric brewery setup "Finally gave up the smoke"New SSR is rated for 40AInstalled a blower fan on the heatsink for extra protectionGFCI Breakers Monitors current on both legs of the circuit and makes sure they are within 5mA of each otherParker is going to use a SPA 240V 50A GFCI setup for his brewery setupParkerDAC board update PCM5122 based DAC designSame chip as what is on the HiFiberry DAC+Had to change out the in series resistors from 1K Ohm to 27 Ohm resistors to get the communication to workDigital Logic Analyzer Verse OscilloscopeSoldering Iron own...
2018-02-141h 01
Circuit Break - A MacroFab PodcastEP#105: Community DiceStephenCommunity Dice Matt Parker - Standup Maths ThingiverseShapeways What’s the highest frequency signal a home gamer can generate? (square and sin waves?)ParkerNew Engineering Article 3 Steps to Planning Parts Selection for Your Next Electronic Hardware ProductRaspberry Pi Compute Module Motherboard Continuation from the Compute Module board from last yearAdded the PCM5122 audio DACLearning about USB HUB design TUSB2046BTPS2044 for overcurrent protection Only rated for 500mAUSB spec says only 120uF cap per hub required but 100uF per port is recommended with low ESRUSB DM/DP signals require around 27 ohm termination resistorsOptional filter of 22pF recommended for EMI suppressionThis creates a “low pa...
2018-01-3135 min
Circuit Break - A MacroFab PodcastEP#102: 8 Bit Rupee WalletsStephenAlternative uses for assembly layers Assembly, document, and mechanical layers“It’s a way for us electrical engineers to feel like a mechanical engineer”ParkerHackADay IO talkFriday, January 12, 2018 12:00 pm PST“The moment they invent smell-o-vision, this podcast would be done”MEP101 DSO138 Update STM32F103Widely clonedIf your cocktail of silicone is a little off, you’ll be okaySilicon actually change as the year goes around (according to a professor of stephen) “The chip just decides only to run on saturdays”Legit STM32F103's are $2.36 in QTY Can get “questionably sourced “ units for under $1OctoPrintUse a Raspberry Pi to control your 3D printerY...
2018-01-1049 min
Circuit Break - A MacroFab PodcastEP#98: Second Annual MacroFab Star Wars Christmas Special: Jar Jar on a HarleyTaylor SmithWorks at MacroFab as the Production Account ManagerManage all of our large customers as they go through prototyping to full productionGraduated from Texas A&M last fallJoined the MacroFam early this yearFavorite Star Wars Character?Organic Taylor: Loves the locks on Qui-Gon JinnStephen: BosskParker: Storm Trooper #38 Robotic Taylor: R2D2 even though he slept through Rogue OneStephen: IG-88Parker: Not K-2SOThrawn BooksTech that stood out in Rogue OneData Storage Devices Three different storage methods USB Flash Drive: small amount of data.Data Tape: looks like an external hard drive. Contains Death Star plans. 8-track tapes styleSome sort of other...
2017-12-131h 25
Circuit Break - A MacroFab PodcastEP#91: An Ampersand Made Me A HeroKaylan SmithHouston native, rice owl , UX designer, artist, die hard Astros fan, and MacroFaber since July 2016One of the strange breeds that went from being an artist to software developmentAttended a talk that Stephen Kraig gave about MacroFab at her school where she was learning to become a developerMike Williams Fascinated with computers since 7th grade, when he first got to use a TRS-80 model 1Seen the software development industry advance from MSDOS to smart phones and cloud computingWritten and designed software for flying cameras, high speed trains, and lots of business appsJoined MacroFab about 2 years ago and moved to H...
2017-10-2747 min
Circuit Break - A MacroFab PodcastEP#88: TLDR; LifeStephen iSpindel - First time on the MEP: Introduce a tropic and finish it in 2 episodes!Parker Next Jeep Project: Factory Cruise Control RetroFit Currently missing the wiring to go to the PCM (Power Control Module) of the JeepBuy a used harness for connector pins and modify the current harnessPinHeck REV8 EOTL Update Inner layers are 0.5oz copper. Watch out for that.RPI3 CM will have its own power rails to keep the power cleanRapid Fire Opinion (RFO) Google Clips is a new $249 smart camera that you can wear - TechCrunchPassive use camera3hr battery lifeGrabs “Motion Photos”. Its 1910's all over...
2017-10-061h 01
Circuit Break - A MacroFab PodcastEP#87: Liquid Hot “Magma”Parker PinHeck update! Rev8 EOTLAdding RPI3 CM module to the board.Reorganized the Schematic after 5 years of hacks and additionsPrinted a new HAKKO keyNew key costs $15!3D printed one in 17 minutesStephen Making an iSpindel - A budget version of the Tilt hydrometer Floats in liquid and by how the device tilts it measures the density and temperature of the fermenting beerGY-521 Gyro & Acceleration Sensor on a breakoutDS18B20 Temperature SensorLipo charger TP4056POW 100W Watercooled LED LightUsing a Corsair Hydro Water CPU coolerParker wants to make a ruggedized versionOverkill Solar Battery USB ChargerSimulation Vs RealityParker's Pro tip: if you do this...
2017-09-2746 min