Welcome Katerina Galitskaya! Chris started following Katerina’s antenna posts on LinkedIn Monopole vs dipole Lower frequences are harder bc longer wavelength PCB size half of frequency Place antenta on the shorter side How to ruin your PCB When to go to a antenna engineer? Where will the device be? Antenna environment Start from vacuum, start adding elements Dummies in the lab. The one in the episode photo is a dummy head filled with liquid (?!) SAR – Specific Absorption rate Simulation vs lab work (dimensions) Anechoic chamber When to go with custom antenna? Buying off the shelf antenna? New Airpods with fancy 3D antenna Ben’s video about laser sintered antennas MIMO / Beamforming the failed promises of 5G When to simulate Some open source programs out there (“EMSee”?) Simulating vs visualizing Most of the time it’s not about vizualizing fields What is the iteration elements of the antenna? Satellite antenna design Good to go external Thinking about the dielectric const of case Follow Katerina on LinkedIn!

Spam calls Keysight released the HD3, a 14 bit ADC oscilloscope (teardown video) Chris will be at Embedded World North America, please let him know if you’ll be there! Chris will be at the Joulescope stand along with former guest Matt Liberty This is one of the only tradeshows for general electronics in the US, Embedded Systems Conference went away many years ago. Chris, Dave, and Jeff (yesssah!) recorded at ESC in episode 41! Bootstrapping new conferences Cellular power modes Dave old GSM video PSM / eDRX ALT1350 Dave got a smart meter on his home setup EDMI  EEVblog forum post about leaky power bill Maybe a trickle Chris has been trying out Meshtastic, which is based on LoRa. Check out Jeff Geerling’s video for a good overview. meshtastic subreddit People posting about airplanes flying overhead (example post) like ham radio contacts Meshmap

Chris shares his recent house moving adventures, including tips for organizing a new lab with smart storage solutions. He discusses the excitement of transitioning his hardware project to open source and dives into the design challenges of a new microcontroller. The impact of cyber threats on tech companies emerges as a hot topic, along with the struggles of evolving battery technologies for home systems. Additionally, the duo examines the ongoing tech industry layoffs and legal issues, mixing humor with serious insights.

Welcome Shawn Hymel! Shawn will be transitioning out Developer Relations at Edge Impulse. He will now be building courses full time. (this was recorded before Shawn announced his departure) He want’s to be like a Professor, which partially explains his signature bowtie Should people go into content? What about Developer Relations more specifically? New courses will include FreeCAD and 3D printing and will be published by Digikey Part design in FreeCAD 0.22 in Mango Jelly Learning modeling vs learning an actual program Scoffolding Making a Zephyr course Zephyr / Golioth training Ecosystem vs RTOS Workshop at Harvard Trying to train on hardware What should engineers know about ML Andrew Ng’s course on Coursera Updated for NumPy / Python Understand Neural Networks Can treat them as a black box More important to understand statistics and data science Hot dog / not hot dog (silicon valley) Model zoos Hugging Face Coprocessing on U55 – U85 ToorCamp Michael Cheich Robert Ferenec Marketing courses Running You can find Shawn as ShawnHymel on most social Twitter LinkedIn Mastodon Bluesky TikTok Instagram You can also check out his site, shawnhymel.com

Murphy More efficient with cooled panels Battery storage solution Server rack batteries Chris has been doing hardware Livestreams Geofence n8n, Similar to Zapier, IFTTT Home assistant EE Grad wants some insight on new tech https://4dsystems.com.au/ Scott Williams of Xentronix recorded with Dave and then Chris Saw at Electronex My Cousin Vinny Embedded World North America is happening in Austin in October. There is a vendor map now. Voltnuts Open source book Tiny Tapeout Tantalum Caps from AliExpress What’s next for ASML Ben Krasnow printing PCB traces again

Matthias Balwierz, also known as Bitluni, is a tech innovator famed for his MIDI pedals and video generation. He shares insights on lifelong learning in electronics and the significance of community. The conversation dives into fascinating topics like LED walls, sonar scanning technology, and FPGA advancements. Matthias touches on his projects, including the Browser assembler and the blend of art and technology in the demo scene. He also discusses challenges in memory management and the accessibility of DIY electronics through platforms like Tiny Tape Out.

In this conversation with Matt Venn, a key figure behind the Zero to Asic Course and Tiny Tapeout, the duo dives into innovative chip design and manufacturing techniques. They discuss the evolution of analog ASIC design and the newfound accessibility through projects like Tiny Tapeout. Matt highlights exciting developments, including a workshop at SuperCon 2024 and an upcoming course focused on analog design. The discussion also touches on the economics of chip production and the importance of collaboration in the semiconductor landscape.

Sideshow Bob (simpsons) HERIC Inverter Review Fraunhofer HERIC inverter Dave’s video about the CH32V003 Charles episode Altium is increasing the price of their product (by 2x??) HITECH compiler from Microchip Newfound Warp13 Webrings, Blog roll, StumbleUpon Dontronics amazing site

James Lewis, an expert in engineering careers, shares his insights into diverse pathways in the engineering field. He discusses personal anecdotes about navigating early careers in semiconductor manufacturing and transitions from oil and gas to audio electronics. The importance of mentorship, continuous learning, and aligning career choices with personal passions is emphasized. Humor also flows as they explore nostalgic engineering stories and the unexpected challenges of early jobs, including amusing language hurdles and the rising value of social media skills.

Petr Dvorak, a freelance PCB designer, discusses KiCad, git tools, transitioning to freelancing, and electron microscope advancements. He shares insights on client types, freelance regulations, and the importance of showcasing work. Petr's journey to freelancing, learning curves, and skill repetition are highlighted, along with tips on gaining clients through LinkedIn and building expertise in electronics.