EEVblog No Script, No Fear, All Opinion

A follow-up video to the Electrodynamic Shaker, showing you the critical importance of Coherence measurement. Something you’ll only get taught in the school of hard knocks! Using the Ling Electrodynamic shaker, a measurement accelerometer, and a Dynamic Signal Analyser to set up a vibration test system. 00:00 – Electrodynamic Shaker …

An innocent TO-220 regulator gets tortured using a mystery device from the bunker. The art of environmental PCB testing. 00:00 – What is this thing? 01:00 – I used to use these all the time 02:40 – Electrodynamic Shaker 03:56 – How PCB’s are vibration tested 07:00 – Teardown 08:10 …

Repsonding to Adam Something’s video claiming that electric buses are a scam. Lets analyse his claims and look at what’s really happening with the cost benefit anlysis of electric buses vs diesel and electric trolley buses. Adam’s video: https://www.youtube.com/watch?v=AqHsXv7Umvw 00:00 – Electric buses are a scam 01:20 – The claims …

Teardown of a mid 90’s vintage Pentax IQZoomEZY film camera. Forum: https://www.eevblog.com/forum/blog/eevblog-1440-pentax-film-camera-teardown/ Podcast: Download

Dave analyses Veritasium’s video “The Big Misconception About Electricity” and how energy flows in the Poynting vector in the electromagnetic field OUTSIDE the wire instead of inside the wire. 00:00 – Veritasium’s video “The Big Misconception About Electricity” 00:32 – Rection to the points in the video 01:11 – This …

Dave looks at his TOP 5 (plus change) Jellybean Voltage Regulators and References, and explains why you need to know them. 00:00 – Jellybean Voltage Regulator & References 01:52 – 78xx Linear Voltage Regulator 08:01 – Adjustable Voltage Regulator 13:52 – 1117 Low Dropout Regulator 15:21 – LDO Stability 20:01 …

How does an Electric Car charger work? A teardown of the Myenergi Zappi 7kW EVSE and experiments demonstrating how the car detection system and charge mode works. 00:00 – Zappi 7kW Single Phase EVSE Charger 02:46 – Type 2 Charging Standards 08:30 – Teardown 17:32 – Power Up 20:56 – …

Youtube just announced they are removing the public Thumbs Down count site wide, and only allowing Thumbs Up counts, to “protect” the creators of course. They then proceeded to get OWNED in the comments! LOL It’s now a free rein for scams, dodgy videos, corporate shill accounts, and the woke …

Dave looks at his TOP 5 (plus change) Jellybean OPAMP’s, and explains why you need to know them. Forum: https://www.eevblog.com/forum/blog/eevblog-1436-the-top-5-jellybean-opamps/ 00:00 – Jellybean OPAMP’s 01:47 – LM358 07:51 – FET Input TL071/72/74 11:28 – CMOS LMV358 15:17 – LM324 17:23 – The LM321 is NOT a thing 19:09 – Oh, …

Dave goes hunting for the most expensive IC on Digikey and ends up finding a bunch of unusual stuff! Forum: https://www.eevblog.com/forum/blog/eevblog-1435-the-worlds-most-expensive-catalog-ic/ Podcast: Download

Teardown of a Cadex C7000 commercial battery analyser. Forum: https://www.eevblog.com/forum/blog/eevblog-1434-cadex-c7000-battery-analyser-teardown/ 00:00 – Cadex C7000 Battery Analyser 04:20 – Universal probe teardown 09:45 – Main unit teardown 22:14 – Power up Podcast: Download

Dave eventually finds the (a) fault in the Sony RX100 MkIV camera. WARNING: No happy ending, just an hour and ten minutes of Dave getting his arse kicked by Murphy. 00:00 – Sony RX100 Mk4 Repair Part 3 01:03 – Down the schematic rabbit hole 06:23 – That looks important …

Dave shares his thoughts on owning a fully electric Hyundai IONIQ car after 12 Months & 17,000km Forum: https://www.eevblog.com/forum/blog/eevblog-1432-owning-an-electric-car-for-12-months-17-000km/ Podcast: Download

Teardown of the new Keysight EDU33212A 20MHz Function Generator Odysee exclusive: https://odysee.com/@eevblog:7/Photo-Spectrometer-Teardown:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1431-keysight-edu33212a-function-generator-teardown/ Podcast: Download

Dave goes through the real calculations of what it ultimately cost him to rent an office vs buying an office back on 2015. And on the importance of being your own bank, compounding interest reduction, paying off your loan early, and offset accounts for cash flow benefits. Forum: https://www.eevblog.com/forum/blog/eevblog-1430-rent-vs-buy-my-$400-000-mistake!/ Podcast: …