EEVblog

Teardown of a $250,000 1991 vintage IBM 9121 TCM Processor module from a System/390 ES9000 Enterprise Server mainframe computer,. Amazing state of the art 63 layer ceramic hybrid module construction with 2772 pins! And Dave demonstrates an amazing BGA desoldering technique that can only be done on these ceramic hybrid …

Dave explains why Tesla have switched from a 2170 cell to a bigger 4680 cell announced at Battery Day. What is the new tabless technology and what are the thermal cell and battery pack implications? Discussion on Lithium Ion battery cell construction, chemistry, manufacture, thermal design, internal resistance, heat sinking, …

Dave visits Transit Systems to take a look at a fully electric bus with a 328kWh battery back running on regular Sydney bus routes. How does it compare to an electric car? https://www.transitsystems.com.au/electric-buses Forum: https://www.eevblog.com/forum/blog/eevblog-1339-looking-at-an-electric-bus/

A rubber coated Mailbag SPOILERS: 00:00 – Introduction 00:30 – Guest Lab RealTimeKodi https://twitter.com/RealTimeKodi 02:24 – Metrotech Model 480 Pipe & Cable Locator teardown, with interesting latex rubber conformal coating! 14:36 – KOTTO Soldering Fume Extractor https://amzn.to/32TlzKm 21:44 – William’s Lab 24:06 – Dr. Livingston’s Human Anatomy jigsaw puzzle set …

Dave finally bought a fully electric car! A 2020 Hyundai IONIQ Electric Elite. A discussion about buying an electric car in Australia, comparison to the Nissan LEAF and others, and picking up the car. Forum: https://www.eevblog.com/forum/blog/eevblog-1337-i-bought-an-electric-car/ Podcast: Download