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    Natural Sciences

    The Amp Hour

    The Amp Hour is a weekly conversation about electronics and the people who design them.

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    Copyright: Copyright © The Amp Hour Electronics Podcast 2020

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    Latest Episodes:
    Good Energy Citizen May 08, 2024
    Show notes
    • Sickness
    • Starliner scrub
    • Boeing and the Dark Age of American Manufacturing
    • Toolkit for flying
    • Search industry
    • A380
    • EUV in semiconductors
    • EV vs PHEV vs ICE
    • Tesla sending emails to suppliers after laying off the Supercharger team
    • powerledger / POWR
    • Virtual power plant
    • DEYE inverter
    • Buying repacked batteries
    • AC Battery vs DC battery
    • Hybrid inverter
    • Colin Furze
    • TSMC running into problems with work culter after moving to US (Arizona)
    • Marketplace piece about jobs at semi plans in AZ
    • 996
    • Photos of the new Samsung Fab going up on Google Maps
    • Chris asked on Mastodon about the best time to charge an EV
    • Duck Curve, which Chris first learned about on episode for 630
    • The costs of different aspects of a chip fab
    Really long needle nose pliers Apr 25, 2024
    Show notes
    • Analog Cochlear Detectors
    • Voyager I is back online
    • Sustaining engineering
    • Bobiverse books
    • Chandra telescope
    • Embedded World
    • Embedded World US in October
    • Trade shows in US
    • Travel budgets
    • Z80 obsolete notice
    • Rabbit instruction set
    • Dave trying out the Jumperless breadboard (lights up)
    • Uri
    • Robert Nelson
    • Bluetooth
    • Sigrok
    • Zephyr LLEXT
    • ZMK
    Simulating doors falling off Apr 04, 2024
    Show notes
    • Chris will be at Embedded World 24 next week
    • Bluetooth standard messages like HT, HR
    • Early bluetooth devices (were terrible)
    • WiBree (?)
    • Sequans deal with Renesas fell apart
    • There was a Sequans modem on the PyCom FiPy
    • The low power ISM network Chris couldn't remember was SigFox
    • Synopsis acquired Ansys (back in January)
    • Here comes the flood of Plugin Hybrids
    • Dave's sick car - 2010 Nissan dualis - Second channel
    • New Espressif ESP32-P4 is getting ready to release
    • Bitluni makes custom silicon (spoilers!)
    • Past guest Pete Bevelaqua has a new Kickstarter where he's passing power through a window (up to 30 mm thick)
    • Top 10 Hobby Components (PartsBox) - submitted by former guest Jan Rychter
    • Top 5 transistor video
    • New BealgleBoard.org board isn't in the BeagleBone form factor
    Motors on PCBs with Carl Bugeja Mar 26, 2024
    Show notes

    Welcome Carl Bugeja!

    • Carl lives and works in Malta
    • He got started with robotics at his university
    • Carl recently announced he would be launching a new company
    • The company is called Microbots and they will sell components and kits for building similar projects to what Carl shows on his channel
    • BigHero6 reference
    • https://microbots.io/products/flatflap
    • Max PCB temp is 130C
    • Driven by series resistance of coil
    • Tg value of PCBs
    • A circuit that can solder itself
    • How hot can a Flex PCB get?
    • Batch vs raster
    • Do you math?
    • Tryng to get the perfect temperatures and dealing with flex materials
    • Dealing with manufacturing differnces
    • Scanning PCB Coils with X-Rays
    • Sending PCB specs
    • Incoming inspection and testing
    • Testing boards with resistance
    • Time flap produce
    • User testing
    • Drive circuits - How do you evaluate?
    • Don't build your own H Bridge
    • Optimizing for size
    • Is Carl looking for other features?
    • Building libraries for driver
    • Foldable 4 wheeled robot , an all one PCB
    • ESP32-C3, connected to playstation remote
    • Boston Dynamics uncanny valley
    • Gathering on social
    • Top down vs bottom up (start at the top)
    • Prior to YouTube, Carl worked at a startup
      • Drones - 2 prop
      • Bluetooth tags
    • Later he moved to the automotive industry
      • Concept vehicles
      • Software
    • What's in Malta?
    • Building a remote electronics business
    • Remote actuators on a PCB
    • Microbots Flexar Driver
    • Driving down the price per cell
    • Similar to how they drove down the cost of LCD displays
    • Pixel, voxel, moxel, maxel?
    • Flipdots
    • PCB Actuation
    • Find Carl on YouTube and Instagram, and check out his work on the new Microbots site!
    The non-Stinky Car Mar 20, 2024
    Show notes
    • Chris got a Chevy Bolt (2023 1LT) The model has since been discontinued
    • 11 kW charging using a level 2 charger
    • Flappy paddle to recapture battery (instead of the brake)
    • Ioniq 5/6
    • Aptera
    • Marques Brownlee reviews the Prius
    • V2G is avaialble as a software upgrade to the Nissan Leaf
    • 2nd channel abs bypass
    • Microbit v2
    • Robot video with Huxley
    • Software updates on a door handle
    • Chris is playing around with 20V DeWalt batteries
    • Battery fast charger schematic
    • Bosch adapter
    • Vmount batteries, as explained by Caleb of DSLR Video Shooter
    • Sony batteries
    • Dave's tutorial on charging
    • Chris might try out OnShape
    • If you're interested in helping model some battery stuff (or know someone who can), please email chrisgammell@golioth.io
    • Sony battery lab hack
    Blogging Electronics with Pallav Aggarwal Mar 11, 2024
    Show notes

    Welcome Pallav Aggarwal of CAPUF Embedded!

    • Chris enjoyed Pallav's series on learning the ch32v003 - fun vs HAL
    • Ambiq Apollo
    • Decision trees when considering hardware vs firmware
    • Expensive to do software and stuff
    • Order some of the boards Pallav created on Evelta
    • India ecosystem for hw
    • India industry
    • CAPUF team size
    • Pallav shares teardowns on YouTube
    • reducing complexity
    • Reviewing customer designs and removing 40%
    • RP2040 in usb debuggers
    • Efficiency consulting
    • Over indexing on form and fit during rev 1
    • Troubleshoot: Joulescope / Saleae / Static analyzer
    • Pallav has a page where he tracks AI tools for PCB creation
    • There's another page where he tracks AI modules / chips
    • DevRel as a service
    • Nordic
    • Check out Capuf.in for more info on Pallav's consulting or reach out via email
    My Toothbrush Is Broadcasting Mar 05, 2024
    Show notes
    • Promise of smart home
    • Electronic keypad
    • Keyfob
    • Proxmark
    • Oral B bluetooth toothbrush
    • Braun toothbrush teardown
    • Solar road shutdown
    • Smart mains socket tester
    • ch32v003 testing success
    • Samy keylogger
    • Startups in Germany (can any German listeners verify?)
    • Diyode mag is shutting down
    • KiCad 8 was released! James Lewis did a good overview video
    • SPICE in CAD
    • Composite amplifier
    • Zephyr 3.6 release
    • Altera
    Altium...Acquired! Feb 20, 2024
    Show notes
    • Renesas buying Altium
    • Altium bought Octopart in 2017
    • Tasking debugger
    • Cloud focus after reorg
    • History of Protel / Altium - started in 1985 by Nick Martin
    • Turbo Pascal
    • CAD tool for windows in 90s
    • protel99
    • Altium Buys Morfik in 2010
    • Nick booted out
    • After the reorg, the stock steadily grew
    • You can watch the Renesas/Altium announcement on Zoom
    • There is also a slide deck available
    • Dave linked an article from the financial press in Austrailia
    • Zuken
    • Altera is apparently spinning back out
    • Steve Liebsen on The Amp Hour
    • Intel is getting a $10B chunk of the CHIPS act money
    • Steve Sanghi (Microchip) discussed the act when he was on the show
    • Synergy flavored milk
    • Other properties we forgot were part of Altium:
      • Circuit Studio
      • Upverter (formerly on the show!)
      • Gumstix
    • Autotrax - Taylor's version (DEX PCB just...took the name?)
    Uncle Al's Eating Garbage Again Feb 13, 2024
    Show notes
    • AI tools for recording
    • 32 bit recording
    • Pool robot
    • Home assistant
    • Power points in the ceiling in Dave's office park
    • CH32V003 board
    • CNLohr episode
    • rv003usb library
    • Mike Harrison doing a video about a CH32V003 standalone programmer
    • nRF24
    • Low cost modules Chris bought on Amazon
    • Samy Kamkar on the show
    • Samy talk about balloons
    • Drone shows
    • Time difference of distances
    • Dave's video about HP atomic clocks
    • XKCD Radiation Dose Chart
    • DTCXO
    • In the Bond movies they're not nerds
    • LCD and fonts
    • AI pin
    • Vision Pro
    • iFixit teardown
    • Chris will be at Embedded World again this year, come say hi!
    Automating the Home with Keith Burzinski Feb 05, 2024
    Show notes

    Welcome Keith Burzinski of Nabu Casa and the ESPhome project!

    • Nabu Casa is a commercial venture that supports the open source Home Assistant (HA) project
    • Hardware
    • Home assistant allows your smart home to not require an outside connection, which is crucial to breaking free of large cloud providers.
    • Chris just got a Zigbee dongle and switched outlet working in under a minute on HA
    • Automation and triggers
    • Users share their automation routines on the HA subreddit
    • mmwave detecting heartbeat
    • What is esphome?
    • Abstraction / using YAML for business logic
    • Deciding when to go custom
    • Keith got started doing a PR for an IR remote
    • Nixie clocks
    • Boldport / Saar
    • Getting hooked on SMT builds
    • Keith made an STM32 based Tube Clock that Chris was very impressed by at a Chicago meetup
    • Keith reworked the sensing for his HVAC by fusing multiple custom sensor boards
    • Presence sensor - mmwave + IR sensor
    • Geodesic dome
    • Tiny fresnel lenses on low cost PIR sensors
    • Fixing thermostat in apt
    • Creating a network of temp sensors and weighing
    • SRE = site reliability engineer
    • Nabu Casa cloud service
    • The year of the voice
    • Home assistant YouTube
    • Hardware: Blue, yellow, green
    • How often are people reprogramming their devices
    • ESPhome discord
    • ESPhome.io
    • See devices that can be reprogrammed to work with ESPhome
    • Reddits
      • ESPhome
      • Homeassistant
    Previous 1 6 7 8 9 10 76 Next

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