MacroFab Engineering Podcast
370 episodes - English - Latest episode: over 1 year ago - ★★★★★ - 34 ratingsMacroFab's Engineering Podcast! Where Electrical Engineers, Parker Dillmann and Stephen Kraig talk about electrical engineering topics, DIY projects, and industry news. Sometimes cool people stop by the podcast to drop some knowledge.
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Episodes
MEP EP#366: Laser Cutting Tolerancing
February 17, 2023 22:30 - 1 hour - 153 MBMEP EP#366: Laser Cutting Tolerancing MacroFab News May 4th, Bringing back the MacroFab meetup. MacroFab moved into the new headquarters and we already produced our first products! Checker Battery Box Materials arrived Monday, will need to weld it Designing for laser cutting / welding New Project Car - 2021 Chevy Express 4500 RV / Camper / Tow Rig build The CNC is coming together! Finally got all of the extrusions Been taking my time and savoring it. Have to rearrange basement to...
MEP EP#365: Let’s Segway into the Next Topic
February 11, 2023 06:01 - 59 minutes - 136 MBMEP EP#365: Let’s Segway into the Next Topic MacroFab News May 4th, Bringing back the MacroFab meetup. MacroFab is moving headquarters! New Website! The podcast and all that content looks sexy now. Chat GPT NPC Instead of the standard tree format of communication - just use ai AI dungeon master? How easy would it be to break? Segway announcement on Good Morning America Checker Battery Box Relocation of the battery Tool Storage ⅛” 304 Stainless Steel Cat Feeder Unreminder Schem...
MEP EP#364: Product of many Imaginations
February 03, 2023 23:07 - 1 hour - 172 MBMEP EP#364: Product of many Imaginations Previous Episodes Misha last heard on MEP EP #142: Supply Chain Conspiracy Securities Chris last heard on MEP EP#212: The End of Electronics Manufacturing?! The State of Digital Manufacturing What is digital manufacturing? Is there a definition of digital manufacturing? Other players in this space. Some business models are winning, some models are stuck in neutral. New Round of Investment Why does a manufacturer need investment? The nature ...
MEP EP#363: Breadboarding for Success
January 29, 2023 02:04 - 1 hour - 83 MBMEP EP#363: Breadboarding for Success Breadboarding your circuits Why even do it? Time savings Quick check of your ideas Leave breadboard assembled for future pcbs Breadboards do not break physics - all the same rules apply What you put into it you get out Cleanliness matters Plan out your circuits You will likely find that you do not need extra jumpers if you plan the circuit Measure and bend leads - 0.1” pitch Use good components Use the bus strips for power and ground You ca...
MEP EP#362: It is 2023, Why Does Footprint Design Still Suck?
January 21, 2023 05:28 - 49 minutes - 67.8 MBMEP EP#362: It is 2023, Why Does Footprint Design Still Suck? First R2R bill passes and it is… NY gov Kathy Hochul signed into law one of the first R2R bills Hochul agreed to sign the bill with some last minute changes Hochul wrote in a memo that the legislation, as it was originally drafted, "included technical issues that could put safety and security at risk, as well as heighten the risk of injury from physical repair projects." Changes Stripping requirement for OEMs to provide to t...
MEP EP#361: Cold Welding This Podcast Together
January 14, 2023 18:14 - 49 minutes - 67.7 MBMEP EP#361: Cold Welding This Podcast Together Adding Cold Welding Function to any Welder Cold spot weld function Most tig welders interface with a 5 pin foot controller 3 pins for potentiometer - analog signal telling how much amperage 2 pin switch for initiating the arc Made a circuit to spoof the footswitch 555 timer to set the duty cycle Monostable mode Capacitively coupled to allow for single button presses Range: 1ms to 100ms
MEP EP#360: Current Conscience Comparator
January 06, 2023 23:08 - 59 minutes - 82.1 MBMEP EP#360: Current Conscience Comparator Framework, Noctua, and other brands add official 3D models to Printables Prusa Research’s “Printables” website added a new section called “Brands” Manufacturers and OEMs can upload verified models for their products CNC Update All of the fasteners arrive this week along with the aluminum extrusions Build weekend Developed a 3d printable cable tie for 4040 t-slots 3d prints with planned bending sections Other than iteration and experience is ...
MEP EP#359: Datasheet Lore
December 31, 2022 05:14 - 51 minutes - 70.9 MBMEP EP#359: Datasheet Lore Picking a part for your design What is your process for selecting a part for your design? What is your preferred method of learning about electronics? How would you make the process of selecting parts for your design easier? The Return of the Cat Feeder Unreminder Experimenting with the AEM10941 User Interface changes? Segmented LCD VI-422DPRCS Driver? Need 3VAC - 6VAC Made an oscillator with a 4049 hex inverter More power reduction? CD4047 oscillator...
MEP EP#358: The Social Media Nightmare
December 24, 2022 01:07 - 1 hour - 88.1 MBMEP EP#358: The Social Media Nightmare Porsche’s synthetic gasoline factory comes online today in Chile Way back on episode 265 (Feb 2021) we talked about this announcement from Porsche. Production 34,000 gallons (130,000 L) a year 14.5 million gallons (55 million L) a year by 2024 145 million gallons (550 million L) a year by 2026 Wind power to electrolysis water into hydrogen and oxygen The hydrogen is then combined with carbon captured from the air or industrial sources to synthes...
MEP EP#357: Seventh Annual MacroFab Star Wars Christmas Special – We're the Rebel Codebreakers!
December 16, 2022 23:07 - 3 hours - 259 MBMEP EP#357: Seventh Annual MacroFab Star Wars Christmas Special – We're the Rebel Codebreakers! Spoilers for recent Star Wars shows like Andor included for free! This Year's Guests Josh Rozier A business intelligence and data analytics professional for a large, east-coast insurance monolith. In his spare time, Roz spends his time building and tweaking guitar amplifiers and pedals. Co-owner of Empire Engineering with Stephen. Chris Kraft A tinkerer currently working as a software engi...
MEP EP#356: Don't Let AI Brew Your Beer
December 10, 2022 00:09 - 1 hour - 86.7 MBMEP EP#356: Don't Let AI Brew Your Beer PDA - Parkers Death Amp Going to do a restoration on it and a recover Need to get rid of the death parts Some scary stuff after looking at the schematic Chat GPT-3 AI computer model for conversations / text generation People have been putting assembly into and and asking for notes on what the code does The AI sounds very sure of itself when giving completely wrong answers Suggested as a replacement for general internet searching How do you kn...
MEP EP#355: The One They Talk About Football Fields For a Long Time
December 02, 2022 23:47 - 56 minutes - 76.9 MBMEP EP#355: The One They Talk About Football Fields For a Long Time End of 2022 Engineering Questions? What trends in the past few years have changed PCBAs the most in the last few years? Weird SMT packages are starting to become more normal PCBs themselves are being used more as a structural part of the overall product What do you think will be the next “big” thing that will change the way EEs design PCBs? Rigid Flex changed the way compact consumer devices where designed Advancement...
MEP EP#354: A Consumable For Your Wallet
November 28, 2022 00:27 - 56 minutes - 78.1 MBMEP EP#354: A Consumable For Your Wallet Louis Rossmann’s fresh start in Austin, Tx Moved his business from New York to Austin, Texas Learn how to open and fix things Classes will be free Mercedes Makes Better Performance a $1,200 Subscription in Its EVs Subscription to make your car vroom vroom faster Acceleration from 0-60 mph is said to improve by 0.8-1.0 seconds and the overall characteristics of the electric motors are supposed to change as well Microjet Spray System Started 3d...
MEP EP#353: The Name Will Arrive
November 18, 2022 21:49 - 55 minutes - 75.6 MBMEP EP#353: The Name Will Arrive Jeep Prop Fan Thingy Jeep Prop Fan thingy Spec Sheet Connectors The Quest for 25 Amps TE Connectivity 1-1418362-3 Pg 63 of this catalog Haltech released a new PDM 10 8A 4 25A 2 Push Pull Arduino Opta Arduino's First Micro PLC supporting standard languages including LD (Ladder Logic Diagram) and FBD (Function Block Diagram) STMicro STM32H747XI dual-core microcontroller Opta Lite, Opta RS485, Opta WiFi High-power relay switching (4 x 2.3 kW) M...
MEP EP#352: CNC Crafting
November 16, 2022 16:38 - 56 minutes - 77.7 MBMEP EP#352: CNC Crafting November 5, 2022 - Extra Life Recap Improvements to the script Thank you to everyone that hung out, supported, and donated! What is next for CNC Parametric cnc model in fusion Model by Ed Frazier https://grabcad.com/library/parametric-cnc-router-1 Changed to a 5x5 cutting surface All 8020 construction with good bit of milled aluminum Added a 40 series table ATP-5 aluminum by vista metals https://www.vistametals.com/assets/pdfs/products/atp-5-precision-too...
MEP EP#351: Signal Switching for Maximum Offness
November 04, 2022 20:02 - 46 minutes - 63.7 MBMEP EP#351: Signal Switching for Maximum Offness Python Demo for Extra Life API Stream Date: November 5th, 2022 Python to OBS functioning! Websockets. What are they? HTTP is unidirectional where the client sends the request and the server sends the response Websocket data is continuously pushed/transmitted into the same connection OBS has a built in local server that you can establish a websocket with another application Python module obswebsocket Provides a wrapper for all the OBS ...
MEP EP#350: Estimating Effort
October 28, 2022 22:30 - 1 hour - 83.4 MBMEP EP#350: Estimating Effort Python Demo for Extra Life API Stream Date: November 5th, 2022 Functionality so far Check Extralife API for donations This is done with the requests module This endpoint seems to return old and new donations There isn't a “new donation” end point it seems Get the donation IDs and compare them to a local file Local file is made with the pickle module Pickle allows you to take any data structure in python and “package it” into a binary file for storage. ...
MEP EP#349: Connector Catalogs
October 23, 2022 06:02 - 1 hour - 84.6 MBMEP EP#349: Connector Catalogs November 5, 2022 - Extra Life Haven't had a chance to work on this yet Going to stream working on it? Adventures in injection molding PINNACLE 5112C3 8% haze - this is pretty low. Any lower and it would be considered “clear” Low melt flow, excellent processability - Voids Two ways to create diffusion Haze Surface Texture Jeep Prop Fan Half bridges for each output Current sensing INA219 Inputs Found a product that will do the thermocouples on ca...
MEP EP#348: AVRDUDE All The Way Down
October 14, 2022 21:36 - 59 minutes - 81.6 MBMEP EP#348: AVRDUDE All The Way Down November 5, 2022 - Extra Life Content for the stream API for Extralife Custom plugin that goes to a Duke Nukem Sound Board Trying to get it to play gifs Working with Open Broadcast Software now Live podcast Nov 22 in Houston Microchip woes? Microchip has got back to us about the firmware - no issues on their end Suggested using the command line interface Originally thought pullups on the reset line but they are not needed Tried them with no l...
MEP EP#347: Out Of Bounds Engineering
October 07, 2022 00:30 - 43 minutes - 60.3 MBMEP EP#347: Out Of Bounds Engineering November 5, 2022 - Extra Life I play games for children's hospitals Raised $5,169.42 last year Was the number one raiser for the Texas Children's Hospital What game for this year? What should I make for the stream? API for Extralife Duke Nukem Forever and Aliens Colonial Marines Custom Stream plugin for the games Live podcast Nov 22 in Houston Hacking FR4 for light transmission Using FR4 as a light diffuser Things to consider FR4 material ...
MEP EP#346: Calibrating CNCs with PCB Rulers
September 30, 2022 20:57 - 53 minutes - 73.2 MBMEP EP#346: Calibrating CNCs with PCB Rulers November 5, 2022 - Extra Life I play games for children's hospitals Raised $5,169.42 last year Was the number one raiser for the Texas Children's Hospital What game for this year? CNC Calibration 90 Dust Collection 2/4/5/6 in pipe Thinking I will do an overhead PVC solution Have to design a skirt capable of interfacing with a 4 in hose Battleship Texas Going to try to get someone on to talk about the restoration PCB Ruler Redux Wh...
MEP EP#345: The Hot List of Tasty Chip Fabs
September 23, 2022 21:32 - 1 hour - 94.3 MBMEP EP#345: The Hot List of Tasty Chip Fabs Pool Shark Update! Wolfspeed fab for NC is latest on CHIPS Act list 668,000 domestic manufacturing jobs Global Unemployment. Do we have enough people for this? What technology are they aiming for? Here’s the latest hot list of cool chip fabs coming to the US GlobalFoundries 180nm down to 12nm Intel Ohio New Mexico Arizona Micron Memory Chips Samsung High end computing Texas Instruments 45nm+ analog, embedded electronics Articles ...
MEP EP#344: Fierce Key Inventory
September 17, 2022 00:00 - 47 minutes - 65 MBMEP EP#344: Fierce Key Inventory Differential probe design update Trying to reduce part count - Want to make it simple Decided to go with Caddoc 1776-C681 resistive dividers. Used this on the bias test system 1:100 divider with high voltage, good tolerance and good thermal performance Challenge is to get the dividers to fit 3d printed case Air Filter / Canister Turned out great so far will have to see how it holds up under the heat Pictures on the blog Digikey Newsletter Check Ou...
MEP EP#343: Bricking Bad
September 09, 2022 22:00 - 1 hour - 83.1 MBMEP EP#343: Bricking Bad Bricking Microcontroller - Watch those fuses Pic, AVR, STM Atmel ATXMEGA16A4U AVR studio and microchip studio AVRDUDE Air Filter / Canister Long Running Project between Chris Kraft and Parker Mods on the red Jeep necessitated moving the original air cleaner First design was all 3D printed around 2016 / 2017 This is right around when 3D printing large objects like this started to get fessable on a hobby printer PLA glass fiber Worked but the material could...
MEP EP#342: Hackery Experts
September 02, 2022 22:05 - 51 minutes - 71.4 MBMEP EP#342: Hackery Experts HyR0n Mathematician Computer Scientist AND!XOR employee of the month Working on badges and things Hackery Previous Podcast Episodes Incognito Mode episode number 69 Arduino, The Gateway Drug To #BadgeLife episode number 109 Espress-ify? Designing Products Around the ESP-32 Platform episode number 144 Feel the Hum episode number 183 Better Encryption than Zoom, Firmware Stacks episode number 238 And a couple of the Starwars Specials DEFCON 30 AND!XOR B...
MEP EP#341: Project Snackey Recap
August 26, 2022 23:33 - 57 minutes - 79.6 MBMEP EP#341: Project Snackey Recap Project Snackey at Defcon30 What we did CTF Codes What went wrong What went right People’s reactions Improvements for next year Lock Picking Village Hardware improvements Physical Security
MEP EP#340: Necrobiotic Synthesizers
August 06, 2022 01:05 - 59 minutes - 82 MBMEP EP#340: Necrobiotic Synthesizers Project Snackey See y'all at defcon 30! Stuff you want to learn about? Canbus FPGA design AWS web development Manim - python My Spider-sense is Tingling Spiders are just hydraulic animals
MEP EP#339: Educated Compromises
July 29, 2022 22:53 - 52 minutes - 72.4 MBMEP EP#339: Educated Compromises Project Snackey Announcement video lands before this podcast gets released. Project Diffprobe Looking at teardowns of other diff probes ADA4817 2pA input bias -3dB bandwidth of 1050MHz Very low input capacitance Combine to make an instrument amp Perhaps going with an integrated instrument amp INA12 Page 27 of the datasheet - Right-Leg Drive Hardware subscriptions? BWM to offer heated seat subscription 18/mo 180/year 300/3year 415/unlimited Th...
MEP EP#338: Feature Complete or Minimal Viable Products
July 22, 2022 22:30 - 58 minutes - 79.9 MBMEP EP#338: Feature Complete or Minimal Viable Products Project DiffProbe Landed on the topology Stephen wants High voltage dividers Compensation capacitors CMRR calibration (120dB rejection) Offset correction Buffers and Instrumentation Amplifiers Differential Stage 10x and 100x attenuation means offsets have to be bang on Opamps (3 of them) Buffers Low input bias current Low offset Bandwidth? Differential amp Low offset. Capable of driving 50 ohm load to the scope Gain set...
MEP EP#337: CSV File Woes
July 15, 2022 23:24 - 1 hour - 83.8 MBMEP EP#337: CSV File Woes Project Snackey Input Firmware is completed Output Firmware is skeltonized/frameworked Need to add a “Power Good” signal Auxiliary circuits need software resets on power cycling Due to how Arduino hardware/software works The Dangers of Basing your Project on Someone Else’s ExtractModel Fortran No Github One CSV file change causes script to break Is it really broken? What to do? DIY Meat Smoker Ideas ~$1600 for the smoker body “round” part Currently 5...
MEP EP#336: Heirloom Documentation
July 09, 2022 05:15 - 1 hour - 88.7 MBMEP EP#336: Heirloom Documentation UtracerV6 The right way to do instructions Full table of contents Broken out into sections. The ref designators match the section Build Test At the end is a full calibration section Section for logging your calibration values A whole section for building enclosures and wiring dos4ever.com Project Snackey PCBA completed! Smoke monster is still contained within the circuit Wrapping up the wiring inside the machine before moving onto code Instal...
MEP EP#335: Your Toaster is Toast
July 02, 2022 07:13 - 47 minutes - 64.8 MBMEP EP#335: Your Toaster is Toast Project: Diff Probe Circuit Cellar design Hack a Day project Active Differential probe with 600V Common mode and 600V differential mode Measure virtually any two points. No need for ground reference. Perhaps a battery system with a boost converter? Excuse to finally use that 3d printer to make a case Basically all precision components UtracerV6 enclosure Decided to make an enclosure that better suits my use case Stripped down from last time. It do...
MEP EP#334: Double as good!
June 25, 2022 00:07 - 1 hour - 83.5 MBMEP EP#334: Double as good! Project: SNACKEY PCBs and Components arrived All PTH components fit Assembly starts tomorrow Nichicon Obsolescence Removing 8 and partial 2 of there SMT Aluminum Electrolytic lines Nichicon has 43 lines of SMT Electrolytic capacitors alone Lines they are getting rid of have these qualities: Standard range High reflow temp Low impedance New series is UBH which seems to partially cover what they are removing High Temperature Range Vibration Resistance...
MEP EP#333: Cody's Corner - Q2 2022
June 18, 2022 01:12 - 47 minutes - 65.2 MBMEP EP#333: Cody's Corner - Q2 2022 Cody Endlich 10 years experience in electronic component distribution and commodities trade Currently the head of strategic sourcing at Macrofab Last seen on episode 318 to discuss Strategic Component Sourcing and MacroFab joining the ERAI What we saw in Quarter 2 2022 Russia's invasion of Ukraine Ukraine and Neon gas Neon gas is used in semiconductor production for running the lasers required for the lithography Lockdown hits Shenzhen as Covid I...
MEP EP#332: This Podcast Intentionally Left Blank
June 11, 2022 00:52 - 48 minutes - 66.4 MBMEP EP#332: This Podcast Intentionally Left Blank USB-C will be mandatory for phones sold in the EU ‘by autumn 2024’ The rule will apply to other electronic devices including tablets, digital cameras, headphones, handheld video game consoles, and e-readers Laptops will have to comply with the rule at a later date What about laptops and devices that fall out of the 100W? USB “Extended Power Range” or EPR for 240W of power More Voltage 48V from 20V as max, still 5A Are there any USB Typ...
MEP EP#331: The PCB Plague
June 03, 2022 21:38 - 59 minutes - 82.3 MBMEP EP#331: The PCB Plague Neutrik EtherCON Ruggedized RJ45 Lockable RJ45 cable within an XLR style housing Also come in a sealed version that offers IP65 rating Interesting PCB failures “The Plague” Black Pad Very poor to no solderability Effect of Moon Phase on Tombstoning Many factors play a role in the overall outcome of PCB assembly, especially when very small components are involved. Broadly speaking, tombstoning is a problem with very small 2-pin components (0201 caps and suc...
MEP EP#330: Rogue Gerbers - Jerry McDaniel of Customer Care at MacroFab
May 27, 2022 21:31 - 54 minutes - 74.5 MBMEP EP#330: Rogue Gerbers - Jerry McDaniel of Customer Care at MacroFab Jerry McDaniel Has been at Macrofab for over 5 years Currently the Director of Customer Success Previous life, he was the CTO/CFO of Litigation Records Services A records retrieval company in Texas managing litigation records for both Plaintiff and Defense attorneys Application support for Presensoft Inc. for almost 11 years Customer Success How do you figure out how customer's act? What is the advice you can gi...
MEP EP#329: Supply Chain Crunches
May 20, 2022 22:19 - 51 minutes - 70.5 MBMEP EP#329: Supply Chain Crunches Reddit Question from r/ECE What are some pros and cons of becoming an electrical engineer? I'm a senior in high school, and I am giving great consideration to majoring in electrical engineering. What are some pros and cons that I should know about? From r/ElectricalEngineering - If you get an electrical engineering degree, you can get a software job. The reverse is not necessarily true. Pinotaur Supply Chain Crunches Replacing a Relay with a Mosfet Loo...
MEP EP#328: Berry Based Physics with Collin Anderson
May 13, 2022 23:50 - 1 hour - 97.2 MBMEP EP#328: Berry Based Physics with Collin Anderson Collin Anderson Computer scientist turned electrical engineer Has worked on things as varied as: Quantum key distribution at Los Alamos National Laboratory A tool to help decipher glyphs of the classical Mayan civilization FPGA firmware at the Ice Cube Neutrino Observatory Currently an engineer and co-founder of Orthogonal Systems An engineering and software development firm specializing in: Custom test & measurement hardware Dat...
MEP EP#327: Mike Kahn of Elemental Machines
May 07, 2022 18:03 - 44 minutes - 61.6 MBMEP EP#327: Mike Kahn of Elemental Machines Mike Kahn Been working in the high tech industry for over thirty years The bulk of this time he has been involved in the architecture and design of complex electronics and embedded systems across a wide variety of segments including general purpose computing, digital communications, digital video, medical devices and life sciences instrumentation Currently the Vice President of Device Engineering at Elemental Machines, a startup that has crea...
MEP EP#326: The Infinite Finite Grid
April 29, 2022 23:56 - 49 minutes - 68.7 MBMEP EP#326: The Infinite Finite Grid PART 2 : Is there a macgyver way to measure voltage without a multimeter? Lots of great suggestions in our slack channel Recreating older devices before digital multimeters where available Galvanometer Electrostatic Voltmeter Most of these require lots of experimentation or other precision devices to calibrate Let's explore the electrolysis method further Tools and measuring devices required Watch / time keeping Container of known volume Mate...
MEP EP#325: Metric Knuckle
April 23, 2022 00:27 - 1 hour - 87.7 MBMEP EP#325: Metric Knuckle Keystone Cool Part Countersunk parts? Have you used any parts like that? Design considerations Possible Assembly issues Cool 16x2 character display How do I branch into Electrical Engineering? Is it worthwhile to get certifications? Projects Finding your path. Is there a macgyver way to measure voltage without a multimeter? Electroscope - pith ball or gold leaf Vacuum may be necessary
MEP EP#324: What Would You Say You Do Here?
April 17, 2022 09:35 - 52 minutes - 72.1 MBMEP EP#324: What Would You Say You Do Here? MacroFab Platform Update Six new component vendors Enabled consignment to the 10-day manufacturing service Exciting update for the platform as it will help address supply chain issues everyone is facing in the industry Better part availability and more flexibility! SparkFun Mousebites White Paper Written by Nick Poole IPC-7351 Max mouse bite width Hakko CHP DP-2 Parker’s only complaint is that the method of measuring breakaway torque was...
MEP EP#323: Hyperspace Part Packages
April 08, 2022 21:55 - 52 minutes - 72 MBMEP EP#323: Hyperspace Part Packages The Worst Timeline: A Printer Company Is Putting DRM in Paper Now RFID chips inside the label spool What kind of RFID chip are they using that is this disposable? EFF Article Link Component marking with the manufacturer in mind Why put indicator marks? Where? Both inside the footprint and outside Double and triple check that things are right on the design side Diodes - Making Anode and also having the diode symbol on the board Vias and marking ...
MEP EP#322: Measuring up Your Interview Questions
April 02, 2022 03:33 - 51 minutes - 119 MBMEP EP#322: Measuring up Your Interview Questions Previous Podcast where we discussed Engineering Resumes MEP EP#279: Avoiding The HR Pit of Doom, Resume and Interview Tricks for Engineers Interviewer Questions and Techniques? Stephen Schematic PDF for the test There is no output when a 10Vp-p signal is injected into the input. Turning the pot or applying a voltage to the input cv jack does not have any effect on the output. It is stuck at zero volts. Alternate – What if the output wa...
MEP EP#321: What Engineer’s Seek
March 26, 2022 00:41 - 46 minutes - 63.9 MBMEP EP#321: What Engineer’s Seek Comet Grounding After over 7 years of sitting on the shelf I finally got the motivation to finish building the OD3 project. The electronics and chassis are done Finally got to test true star grounding Episode 316 - Chunk 2 Chunk Current Returns Results? Building a wood enclosure right now Need to design and finish the foot controller Western Electric is looking to expand American tube production. New sensor - Expo-pul facility in Saratov, Russia 8...
MEP EP#320: The Drop Ship Shuffle
March 18, 2022 23:07 - 58 minutes - 80.4 MBMEP EP#320: The Drop Ship Shuffle Testing Ratchet Wrenches Update on the design Found a digital torque wrench adapter that can handle the torque Will hack to get the signal recordable Use a Linear actuator to apply the force Once the parts arrive the design will be finalized Finding Parts Regardless of Industry / Hobby Intake Manifold for the Jeep Grand Wagoneer The Drop Ship Shuffle EU Parliament adopts new draft legislation about batteries and phones Dictating manufacturers of s...
MEP EP#319: Work to Automate the Work
March 12, 2022 07:41 - 1 hour - 86.6 MBMEP EP#319: Work to Automate the Work Feedspot has ranked this podcast #1 for Best 10 Electrical Engineering Podcasts. Thank you everyone for listening and sharing this podcast with others. We are just getting started! MacroFab Updates KiCad 6 support! PI DAY Contest March 14th (3/14) Stop by the MacroFab website to take a pop quiz for a chance to win some free pizza Testing Ratchet Wrenches Wrench qualifications Ratcheting Wrench Non-Reversible Zero-degree offset ½” hex 12 or ...
MEP EP#318: Strategic Component Sourcing with Cody Endlich
March 04, 2022 20:52 - 57 minutes - 79.5 MBMEP EP#318: Strategic Component Sourcing with Cody Endlich Cody Endlich has 10 years experience in electronic component distribution and commodities trade and is currently the head of strategic sourcing at Macrofab. What does Cody do at MacroFab? Strategic Sourcing Cody’s announcement - ERAI What is the ERAI? What does this mean for MacroFab customers? Supply Chain Reports Confidence How can Engineers get ahead of supply chain problems? IHS Life Cycle information Manufacturing s...
MEP EP#317: When an Alien Craps
February 26, 2022 00:25 - 49 minutes - 68.4 MBMEP EP#317: When an Alien Craps Autodesk Eagle DRC Problems Via in Pad Detection Is there a EDA tool that actually detects this? Diptrace Eagle Altium FAB3000 MacroFab's Internal tool set does not What do we do about this as Engineers? Write our own tools of course! Datasheet and Schematic Woes TI CD4053 The actual function of the chip was just not in the datasheet One typo made the datasheet unusable Old datasheets strikes again! This has been fixed sort of What matters whe...