• 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

• 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

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!

• 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 [email protected]
• Sony battery lab hack

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

• 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

• 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?)

• 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!

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

• Dave just drove 4500 km / ~ 2800 miles
• Dumpster room tier on Patreon?
• Hyperloop failure
• Florida train video (Wendover)
• Pipedream
• Series of tubes
• Guam capsize
• Hugo site builder, based on Go
• Dreamweaver
• Chris recommends buying a foldable lightbox (Light this)
• Chris’s blog post when he was going to meet Dave for the first time
• Dehumidifiers are raising money based on ridiculous hype
• Spec Sheet for Genesis Systems
• Chris just got a chest freezer, was surprised at the low energy needs
• Power charges
• Texas grid article on NYT after recent deep freeze
• Energy mix in NC
• Beta voltaic
• Used for aerospace
• 
• Bantam Tools (Bre Pettis) acquires Evil Mad Scientist (Lenore, Windell)
• Vulnerabilities in the ESP32 RISC V parts
• Will people make tools to make it easier to crack into something, like discussoned the CAN episode with Ken Tindell
• Dave might get a free pick and place, the TVM920
• Video about the 1980s “drink robots”
• Chris’s daughter is really into robots and gondolas
• Pool robots videos on EEVblog2

Welcome back Jeff Keyzer of Mightyohm

• Orthodox Keyzermas
• Twelfth Day of Keyzermas
• Jeff has been taking care of his ailing cat for the past years and learned a lot about administering medicine
• RF
• 8753 / Copper mountain
• Shariar sometimes features Copper Mountain VNAs on the Signal Path
• Step attenuator
• NanoVNA
• Pallav Aggarwal articles
• Murata modules
• Chip down cellular
• Seattle visit
• The big dark
• Input shaping
• Printing with .25mm
• Tek TM500
• Scope on a monitor arm
• Test equipment intervention
• Jay Leno turbine car episode
• Selling on eBay, including stuff made during the process of making parts for Jeff’s equipment
• Tek groups.io
• Fluke in Seattle / now Everett
• Vintage Tek Museum
• Being set up to ship things
• Shipping CRTs
• CRTs are in vogue again (?!)
• Low latency
• Retropie
• Oscilloscope music paying premium for RCA / Heathkit
• Jeff was off to Hardware happy hour (3H) Seattle
• Led Zeppelin had many references to Lord Of The Rings. Past guest and Chris’s former roommate Steve Kreuzer was a huge LZ fan.