EEVblog No Script, No Fear, All Opinion

After 6 years my home solar power installation failed! But *what* component failed? let’s find out.. FYI: The isolator is a Bendict LS25 PFLH4 http://www.celiss.com/products/files20177311641475463911978.pdf

Only Dave can turn a simple question into a 1hr deep dive monologue into PCB layout and FPGA implementation. FPGA power supplies, DC margins, dynamic power requirements, power budgets, high power designs, multi layer PCB design, placement, system considerations, power planes, copper weighting, stackups, routing, split planes, star grounding, blind …

The IBM T221 was the world’s first 4k monitor. Released in 2001, it was 12 years ahead of the first consumer 4k monitors, It innovated dual domain IPS LCD display technology. Teardown time!

A look at the Hornsby Slot Car centre in Sydney which holds the national championship slot car event.See a slot car race around a 186 foot track in 3.2 seconds! Podcast: Download

Oscilloscope Sin X/x Interpolation can be a trap for young players, find out why. Forum HERE Podcast: Download

A whole stack of HP PC’s found in the dumpster! EEVblog2 Forum HERE Podcast: Download

Why did Apple’s most beautiful product fail? A look at the Apple PowerMac G4 Cube designed by Jonathan Ive. A teardown and power-up. Forum HERE Podcast: Download

How do you make waterproof earphones? A teardown of the Sony Walkman NWZ-WS613 Also talk on o-rings and waterproofing electronics. Forum HERE Podcast: Download

Mailbag time! SPOILERS: Aliens vs Pirates! Northside service company: https://www.youtube.com/channel/UCcMN_sDzaDThDYRBb2Qcahw/featured Nutone intercom system teardown 10:08 Royal Digital Diary Teardown 12:52 Motic / Swift soldering stereo microscope, also rebadged by AmScope https://amzn.to/2Lt0sYG 25:03 Texas Hold’em handheld game Teardown TI 30-XS Calculator teardown 31:43 Elecrow Crowtail STEAM Edu Kit for Micro:bit 36:28 …

Fundamentals Friday Dave answers a beginner forum question of why their 74HC390 based breadboard counter circuit does not work properly. Let’s get up to our armpits in datasheets and troubleshooting. A two sentence forum response turned into a step-by-step 27min video investigation involving rise and fall times, setup and hold …

Hackable STM32 based ARM RF dev boards are literally falling from the sky! A teardown of two weather balloon Vaisala radiosondes, the RS41 and RS92. Repurposing tre RS41: http://www.om3bc.com/docs/rs41/rs41_en.html Github: https://github.com/bazjo Paper on capacitive humidity sensors: https://pdfs.semanticscholar.org/0728/24b548d91516d765c4b7facdceb350d61cdd.pdf Podcast: Download

Dave’s Sony NEX VG30 camera, err, well, it broke… A quick partial teardown and fix. And a quick talk about the cameras Dave uses for the blog. Sony NX80 Sony A6300 Sony RX100 MKIV Forum HERE Podcast: Download

Sagan assembles the RC2014 Mini retro Z80 computer kit running Microsft BASIC from 1978. But will it go to plan? Power up, testing and troubleshooting at 23:00 Forum: http://www.eevblog.com/forum/blog/eevblog-1205-rc2014-z80-computer-kit-build/ Sagan’s first time soldering: https://www.youtube.com/watch?v=EjpUYGRXzRQ Podcast: Download

The new Samsung Galaxy Fold a folding OLED smartphone has failed spectacularly in the hands of early reviewers! What went wrong? Also, a rant about the pressures on reviewers from the manufacturers, Dave questions why Marques Brownlee won’t show his failure footage. 3M Flexible OLED testing presentationFlexible OLED 2011 article …

Dave repairs a classic Tektronix 400MHz 2465B oscilloscope that’s been sitting on the mailbag shelf for years. Arguably the greatest analog oscilloscope ever made. BONUS magic smoke escape! Although it was repaired to a functional level, this is kinda Part 1, as not all functions were exercised and tested, and …