This week on the show, Chris is supposed to slap Dave for talking about buying a Pick and Place last time. Also new parts, code visualization, Arduino's new target, and low cost chip tooling.

This show is a before-and-after with Joshua Vasquez and Zach Fredin. A 2019 recording captured the beginning of their grad school journey and this 2022 recording details how grad school went and what they're doing now.

This week Dave discusses wanting to buy a Pick and Place and Chris doesn't try to talk him out of it. Also low cost RISC V components, Supercon happenings, more on heat pumps, books about the grid, and more!

Eric Schlaepfer and Windell Oskay, authors of "Open Circuits" (a beautiful book looking inside electronic components) join Chris to talk about the book and their other electronic projects.

Saber Kaygusuz is the CEO of PCB Arts, makers of the EdgeKit and the Vapor Phase One. He joins Chris to talk about manufacturing and design of electronics systems for prosumers and software developers.

Matt Liberty returns to The Amp Hour to talk about the upgraded Joulescope (model JS220) and the trials and tribulations it's been to build a new device during the chip shortage.

This week Chris and Dave discuss charging batteries, outfitting a lab, heat pumps, conference badges, and more!

Kathy Joseph from the Kathy Loves Physics Youtube channel joins Dave to talk about the history of electricity and her new book The Lightning Tamers.

This week Dave and Chris discuss robots taking low end jobs, power measurement around the house, mechanical work on cases, using AI, and more!

Ray Ozzie is the founder and CEO of Blues Wireless, a cellular IoT company that makes it easier to send data to the cloud. Ray joins Chris to talk about his background in the software industry, including a role as Chief Software Architect of Microsoft.