EEVblog #939 – How Is A PCB Manufactured?
How is a double sided plated through hole solder masked and silk screened component olverlay PCB manufactured? Take a step-by-step tour of a PCB manufactuing plant. www.pcbzone.net Forum HERE Hard electroplated gold card edge connectors VIDEO Desing[...]
EEVblog #938 – Tesla Solar Roofs – Are They Viable?
Solar Freakin’ Roofs! How viable is Tesla’s Solar Roof concept? What did Elon Musk not mention at the product launch? UPDATE: Yes, the press kit mentions they all have identical looking solar and non-solar tiles to chose from for shaded/[...]
EEVblog #937 – Retro Canon Still Camera Teardown!
How did you take “digital” photos in the 1980’s and early 90’s? With an analog still video camera that stored images on a PAL format 2″ video floppy disks, that’s how! Enter an age before SD cards, flash memory, J[...]
EEVblog #936 – Mailbag
Old component bonanza Mailbag! Forum HERE SPOILERS: TI-74 BASIC pocket computer teardown from 1985 OpenMYR WiFi Motor Kickstarter Several 4-banger calculators GEZE automatic roller door controller teardown E-Book reader teardown and PCB bypassing t[...]
EEVblog #935 – Solar Roadways Installation BUSTED!
It’s finally here! The first Solar Roadways installation happened in Sandpoint Idaho after $3.9M in funding and 6.5 years of development. Does it work? Is it practical? Once again, Dave runs the numbers… Forum HERE
EEVblog #934 – Raspberry Pi Supercomputer Cluster PART 1
Dave sketches up an idea for a more integrated Raspberry Pi supercomputer cluster with integrated ethernet and power. Forum HERE
EEVblog #933 – Keysight U1272A EMC Issue
A viewer found an EMC issue with the Keysight U1272A multimeter Dave confirms both conducted and coupled issues and finds some spooky action at a distance! Comparisons with other meters confirm they don’t have the same issue. Fluke 87 GSM Prob[...]
EEVblog #932 – How Does A HV Differential Probe Work?
How does a high voltage differential probe work? How is it safe? Is it isolated? A teardown and some reverse engineering of the Lecroy AP031 25MHz HV Differential probe. a.k.a Sapphire Instruments SI-9001 Forum HERE
EEVblog #931 – Designing A Better Multimeter PART 2
Dave takes a look at how to optimise the low burden voltage multimeter design from PART 2 to eliminate some parts. And explains the µCurrent shunt circuit design and how that applies to this new optimised design. It’s basically a practical tu[...]
EEVBlog #930 – Mailbag
Mailbag time again. Forum HERE SPOILERS: Dave’s first multimeter hack! Sinclair PDM35 Multimeter Russian analog multimeter Canyse 801 data logger Kickstarter Masso CNC Controller Lumintop Prince 1000 lumens flashlight torch Lumintop micro USB[...]