EEVblog
EEVacademy #6 - PID Controllers Explained
updated
Original Debunking video: youtube.com/watch?v=uzV_uzSTCTM
ans.org/news/article-5359/sec-files-lawsuit-against-nuclear-battery-startup
sec.gov/files/litigation/complaints/2023/comp25829.pdf
sec.gov/Archives/edgar/data/1787068/000178706821000004/golsharifi.htm
sec.gov/Archives/edgar/data/1787068/000178706821000004/offering.htm
bidwells.co.uk/properties/origin---harlow-essex-cm17-
Forum: eevblog.com/forum/blog/eevblog-1579-nuclear-diamond-battery-fraud-lawsuit-by-sec!
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Tektronix Multimeter Repair-o-thon
youtube.com/watch?v=2QZ8GWwzXXY
Forum: eevblog.com/forum/blog/eevblog-1578-the-screwless-multimeter-metrix-mx44-teardown-calibration
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Read Kathy's Book The Lightning Tamers: tinyurl.com/TheLightningTamers
youtube.com/@KathyLovesPhysics
Forum: eevblog.com/forum/blog/eevblog-1577-history-of-cathode-ray-tubes-with-kathy-joseph
00:00 - Kathy Loves Physics
02:45 - Philo Farnsworth, the farmboy who invented television
10:00 - Professor Julius Plucker & Heinrich Ruhmkorff
11:13 - Heinrich Geissler and Geissler tubes
14:28 - Johann Wilhelm Hittorf
16:15 - William Crookes and the Crookes Radiometer
20:00 - Heinrich Hertz
25:00 - Scintillating Scotoma
27:00 - Philipp Lenard
31:25 - Wilhelm Rontgen
38:45 - Mihajlo Pupin
44:00 - Francis Perrin
49:10 - Henri Becquerel
55:39 - Curie Piezoelectric Quartz Balance Electrometer
1:07:46 - Philco & Bob Pease
1:08:44 - Vladimir Zworykin
1:15:12 - Free Energy & Debunking
en.wikipedia.org/wiki/Philo_Farnsworth
en.wikipedia.org/wiki/Julius_Pl%C3%BCcker
en.wikipedia.org/wiki/Heinrich_Daniel_Ruhmkorff
en.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler
en.wikipedia.org/wiki/Johann_Wilhelm_Hittorf
en.wikipedia.org/wiki/William_Crookes
en.wikipedia.org/wiki/Crookes_radiometer
en.wikipedia.org/wiki/Heinrich_Hertz
en.wikipedia.org/wiki/Philipp_Lenard
en.wikipedia.org/wiki/Francis_Perrin_(physicist)
en.wikipedia.org/wiki/Henri_Becquerel
en.wikipedia.org/wiki/Vladimir_K._Zworykin
en.wikipedia.org/wiki/Mihajlo_Pupin
en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen
en.wikipedia.org/wiki/Philco
medium.com/@johnwelford15/the-canals-of-mars-2a6fcce973c#:~:text=The%20%E2%80%9Coceans%E2%80%9D%20that%20Herschel%20spotted,is%20not%20one%20of%20them!
http://waywiser.fas.harvard.edu/objects/15043/curie-piezoelectric-quartz-balance-or-electrometer;jsessionid=905D1CA90CE49F4637CBC07F90BC8BFE
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Ebay auction: https://www.ebay.com.au/itm/225848873343
Forum: eevblog.com/forum/blog/eevblog-1576-tektronix-dmm916-multimeter-teardown-(easy)-repair
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They claim 3 times the power output of regular solar panels by using mirrors to reflect the light back on the solar cells (TIPA: Total Internal Photonic Absorption). They claim 80% of the light that hits a solar panel is reflected!
And when challeged by a solar cell researcher from the University of Freiburg on the claims of 80% reflectance and why they don't independently test, there is a hirarious word salad response!
borchertlab.com/juliane
Forum: eevblog.com/forum/blog/eevblog-1575-tipa-the-worlds-most-efficient-solar-panel-busted
The owner has been busy: find-and-update.company-information.service.gov.uk/officers/koV1FIQV3bcKEHlZu4H5_6vAEDE/appointments
indiegogo.com/projects/tipa-the-world-s-most-efficient-solar-panel#
kickstarter.com/projects/tipa/tipa-total-internal-photonic-absorption/description
gtr.ukri.org/projects?ref=105277
yellowstud.io/research
alt-things.com/about-us-3
en.wikipedia.org/wiki/Shockley%E2%80%93Queisser_limit
nrel.gov/pv/reflectance-spectroscopy.html
youtube.com/@UClilz8CXhUFBRrdAUenRKWw
00:00 - Another Dodgy Crowd Funder
01:00 - £560,000 UK Government Innovation Grant!
01:42 - Let's watch the video!
06:22 - How it works
06:58 - We can beat the Shockley Queisser Limit!
09:17 - $2BN valuation!
09:28 - The prototypes
10:15 - How they screwed up
12:06 - Reflective coatings and solar panel efficiency tradeoff
13:26 - Some actual reflection measurements using reflectance spectroscopy
15:18 - There ain't no free lunch. The claims are BS
16:52 - The reflection/absorption efficiency tradeoff
17:54 - Let's see what else they have developed at Yellow Studio!
19:21 - Electon Spin Battery Charging using magnetic forces!
19:55 - Solar Electromagnetic Energy Power Battery System using liquid nitrogen!
21:11 - Their other Kickstarter projects
24:14 - Hilarious word salad response to a solar cell researcher calling them out!
28:49 - Conclusion
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tinyurl.com/Fluke101
A thanks from Zotek founder: youtube.com/watch?v=2I7m43RyVWU
Pocket Multimeter shootout: youtube.com/watch?v=LCFEonQDkQU
Forum: eevblog.com/forum/blog/eevblog-1574-is-the-$42-fluke-101-multimeter-any-good
00:00 - A $42 Fluke?
00:43 - Made in China, and the infamous Fluke 19
01:27 - Fluke 101 vs 106 vs 107
02:00 - Comaprison with ANENG AN8008
03:03 - The display vs the AvE Hammer
03:53 - The range switch
04:12 - The battery compartment and TL75 probe leads
06:09 - What are you buying here?
08:08 - Diode and capacitance test
09:33 - The biggest disappointment, no AutoHold
10:55 - 1200V overload test and accuracy testing
12:41 - Common mode conducted mode RFI test
13:10 - Drop testing
13:38 - Power on options
14:08 - Calibration seal and port
14:30 - Teardown
20:26 - A pocket multimeter?
21:51 - Battery life, power consumption measurements, and lithium battery test
42:09 - Conclusion
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But, they couldn't kill Open Source.
Options:
A: Elon buys Odysee - twitter.com/eevblog/status/1715253440409170290
B: Futo (or someone else compatible?) buys and funds Odysee as-is.
C: It just gets gobbled up thrown in the trash by the likes of Google or one of the other biggies:
D: The new owners (creditors) just shut it down?
odysee.com/@lbry:3f/theendoflbryinc:d
odysee.com/@eevblog:7
Louis Rossmann and GrayJay: youtube.com/watch?v=5DePDzfyWkw
Forum: eevblog.com/forum/blog/eevblab-116-the-sec-killed-lbry-inc-what-happens-to-odysee
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A teardown from the Haefely Trench PESD 1600 ESD Tester.
Unboxing & Testing video of 16kV ESD tester: eevblog.com/2023/10/13/exclusive-haefely-esd-gun-unboxing
Pointless video about toggle switches: youtube.com/watch?v=k1C0qz8fR_U
Forum: eevblog.com/forum/blog/eevblog1573-teardown-how-a-rotary-(angle)-pulse-encoder-works
00:00 - This is NOT a regular quadrature rotary encoder!
02:08 - Tool Tip, Pin Vice
05:41 - EDC tool shootout, Victorinox MiniChamp vs Gerber Dime vs Olight Otacle
06:34 - We're in like Flynn!
07:13 - New Lab Jack for the Tagarno microscope
08:09 - Of course that's how it works
09:59 - Why is this not used more often?
12:29 - How it works
14:49 - Is there another example of this type of encoder? if not, why not?
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If you can help identify the rotary encoder at 25:52 that would be awesome!
Unboxing and testing: eevblog.com/2023/10/13/exclusive-haefely-esd-gun-unboxing
Forum thread for the rotary encoder: eevblog.com/forum/repair/help-finding-rotary-encoder
Forum: eevblog.com/forum/blog/eevblog-1572-haefely-16kv-esd-tester-teardown-repair-part-1
00:00 - Haefely Trench PESD1600 16kV ESD gun
02:09 - The Onyx16. These things aren't cheap...
02:33 - DIY ESD Gun
03:00 - Teardown
04:08 - Probe tips
05:06 - Inside
05:46 - High voltage relay and pulse shape
07:19 - Front panel PCB and ANNOYING construction
08:09 - NiMH battery pack
09:35 - Did I mention the ANNOYING construction?
13:16 - It's OUT!
14:36 - Main PCB soldering
16:56 - This rotary encoder looks SPECIAL
18:13 - Testing the rotary encoder
20:27 - Are you sure I didn't mention the ANNOYING construction?
21:25 - The special snowflake rotary encoder is OUT
25:52 - HELP! Can you identify this rotary encoder?
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Send stuff to:
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Norwest NSW 2153
AUSTRALIA
00:00 - Mailbag
00:18 - Barry Marshall, Nobel Prize Winner returns a faulty 121GW :-(
youtube.com/watch?v=yPLA69a5OOU
02:54 - Nobel Prize Chocolates
03:53 - Faulty 121GW
09:04 - TI SR-51 calculator from 1974
http://www.datamath.org/Sci/WEDGE/sr-51.htm
19:55 - TI SR-51 Teardown
25:15 - Digi-matic 8 calculator from 1972
29:47 - More retro calulators and assembly programming book
32:29 - Lean Multi-Platform Assembly Language Book
assemblytutorial.com
amazon.com/Learn-Multiplatform-Assembly-Programming-ChibiAkumas/dp/B09VWHYDKJ/?&_encoding=UTF8&tag=ee04-20&linkCode=ur2&linkId=2b5042d0d5fc70e95e6f1cb0d2e1ddad&camp=1789&creative=9325
35:53 - Casio SL-760 credit card calculators + Sanyo
37:47 - Gent LC-517 wallet calculator
40:04 - DIY Scrabble Timer project using all discrete logic
Verilog: twitter.com/BrunoLevy01/status/1694973514002923808
Takachi Enclosures: takachi-enclosure.com
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Dave runs the numbers on whether or not they could have used a Battery Electric Train (BEMU) instead of diesel electric. And could they have powered it from the solar panels on the train station roof?
BEMU's are already operational in Germany: alstom.com/press-releases-news/2022/1/alstom-and-deutsche-bahn-test-first-battery-train-passenger-operation
Forum: eevblog.com/forum/blog/eevblog-1570-tesla-diesel-electric-train-fail-at-belin-gigafactory
Links:
twitter.com/eevblog/status/1699034774701293812
en.wikipedia.org/wiki/Gigafactory_Berlin-Brandenburg
youtube.com/watch?v=OxXhC32Uv1E
youtube.com/watch?v=8Qtvevd-5Ek
MSN LINK REMOVED BY YOUTUBE AS A SCAM! LOL
insideevs.com/news/682009/tesla-gigafactory-berlin-v4-supercharger-solar-roof
en.wikipedia.org/wiki/Bombardier_Talent
en.wikipedia.org/wiki/Bombardier_Talent_2
railway-technology.com/projects/bombardier-talent-3-battery-train
railwaygazette.com/business/bombardier-and-leclanche-sign-battery-traction-mou/54744.article
railway-technology.com/features/train-engine-innovations/?cf-view
railvolution.net/news/talent-3-bemu-in-passenger-service
https://www.railexpress.com.au/bombardier-filling-the-gap/
vde.com/resource/blob/2068324/a35ebed9833dae59d8cb1451368203bd/vde-study-battery-systems-data.pdf
https://www.google.com.au/maps/@52.393417,13.7959197,892m/data=!3m1!1e3?entry=ttu
nl.wikipedia.org/wiki/NEB_VT_730
Byron Bay Solar train: youtube.com/watch?v=ZobJdaSDsPM
pvwatts.nrel.gov/pvwatts.php
00:00 - Berlin Gigafactor train opening fanfare goes viral
01:19 - Could this diesel train have been a Battery Electric Train? (BEMU)
03:20 - Surely Telsa thought of it?
03:57 - The Bombardier Talent diesel electric train from 2006
05:29 - Video of the opening day
06:50 - DJ Bongo Bongo: The Energy Master!
07:08 - Are battery electric trains a thing? Yes.
09:38 - Battery pack and comparison to EV's. CORRECTION: The IONIQ is 0.1kwh/km
10:43 - The Tesla Berlin Gigafactory
12:17 - The railway line
14:38 - Calculations for a battery electric train
15:37 - Solar generation calculations
17:24 - Not quite, but maybe on a good day...
18:30 - Charging
20:01 - Is a Battery Electrinic Train viable here? Yes, absolutely.
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#ElectronicsCreators #Tesla #gigafactory
DIY Open Source Ploopy Headphones: ploopy.co/headphones
EEtackle Probe Holder: eetackle.com
Intertooth Wireless Bluetooth Networking Console : intertooth.com
00:00 - Mailbag
00:24 - Ploopy DIY Open Source Headphones
13:32 - EEtackle Probe Holder
18:18 - Intertooth Wireless Bluetooth Networking Console
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https://www.abc.net.au/news/2023-09-27/tesla-battery-fire-at-queensland-renewable-energy-project/102905302
https://wattclarity.com.au/articles/2023/09/27sept-bouldercombe-bess-fire/
afr.com/companies/energy/fire-at-genex-power-battery-project-in-qld-a-rare-occurrence-20230927-p5e7ym
cleantechnica.com/2022/05/13/heres-what-tesla-learned-from-last-years-megapack-fire-in-australia
https://genexpower.com.au/renew-economy-genex-eyes-trebling-of-revenue-says-new-battery-already-sopping-up-negative-prices/
Victoria Big Battery Fire Investigation Report: https://victorianbigbattery.com.au/wp-content/uploads/2022/12/VBB-Fire-Independent-Report-of-Technical-Findings.pdf
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And if so, how does it work?
IONA Tech video: youtube.com/watch?v=c2Uzo5qL4JM
Wiresless ESD strap BUSTED: youtube.com/watch?v=nvgW5iWXbts
ESD Explained: youtube.com/watch?v=Uk5F3rQNUkU
ESD Playlist: youtube.com/playlist?list=PLvOlSehNtuHsKCtJJ_rlRP5qE7lN-1EMX
Mud Run: youtube.com/watch?v=yAahT8_P-_E
DIY Field Mill project: youtube.com/watch?v=aTncxhQp9z0
Forum: eevblog.com/forum/blog/eevblog-1567-wireless-esd-monitor-the-iona-statiq-band-tested
00:00 - A wireless ESD monitor? The IONA Tech StatIQ Band
02:06 - The Electric Field Mill sensor
03:27 - The Android app, and does it actually work?
06:15 - ESD ground impedance correlation
07:21 - What's going on with the clean room bunny suit?
08:12 - Well, there's your problem...
08:35 - Let's try a WORKING ESD coat this time
09:23 - But is it just smoke and mirrors? Surface DC Voltmeter measurement time
11:30 - Validatd
11:52 - Calibration
12:15 - How it works
15:24 - The physics
18:09 - Conclusion
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#ElectronicsCreators #ESD #IONA
Starts at $299 with 12bit ADC, HDMI, VESA mount, and USB-C power.
Teardown: youtube.com/watch?v=KQF4UzLPpr0
Fan upgrade test: youtube.com/watch?v=zoyaHOqp9gI
DIY Battery: youtube.com/watch?v=MbBq1AVIQAc
Forum: eevblog.com/forum/testgear/rigols-new-dho800-oscilloscope-unbox-teardown
00:00 - History of game changing Rigol Oscilloscopes
03:27 - All the DHO1000 and DHO4000 goodness
05:14 - Compared to the DS1054Z
05:52 - The DHO900
06:38 - Unboxing
07:07 - Liteon USB-C PSU
07:30 - It's TINY!
08:42 - VESA mount & Fan Noise
09:08 - HMDI, touch screen, and mouse
10:41 - USB-C physical connection
11:25 - External battery power
11:45 - The couch feet
12:01 - The boot time is not great
12:10 - Micro SD card Android O/S
12:36 - 7" Capacitive touch screen
13:36 - The LED's aren't great
13:52 - Knobs
14:32 - The SMELL
15:01 - Sample rate and memory depth QUIRK
16:34 - A wasted button, and the Rigol Menu
17:13 - Measurements
18:11 - Trigger capability
18:36 - Vertical menu system
19:51 - It's basically a $299 DHO4000
20:23 - DS1054Z size comparison
21:54 - Built down to a price
22:29 - 12 bit is great, but why not Eres?
22:57 - Waveform update rate TESTED
24:49 - It does drop
25:09 - And it's impressive again
25:45 - Waveform window organisation
26:52 - Alias test
27:05 - The FFT waveform updating is impressive
28:04 - Peaks would be nice
28:16 - Can I have snappy cursors please
28:48 - A little bit annoying
29:01 - 12 bit FFT test FAIL
32:01 - FFT noise floor
32:15 - Siglent 1104X-E FFT and R&S MXO4 FFT comparison
33:17 - The pulse response TESTED
33:45 - Front end noise TESTED
35:12 - Input microphonics TESTED
35:27 - Here's the money shot, the 12bit ADC resolution
36:22 - Vertical range BUG
37:19 - QUICK button and screen capture
38:22 - Date and Time is overrated
38:42 - RECORD mode, waterfall, mosaic, adjacent and perspective displays
43:00 - DVM
44:05 - Windows
44:53 - UART Serial decoder
46:27 - CRASH!
47:38 - SPI bus decoding
47:56 - Input Floating and Ground Connection
48:42 - Does the 12 bit give you more dynamic range?
49:31 - Display BUG or QUIRK?
50:10 - The DS1054Z Help system is still better
51:25 - Remote LXI LAN TESTED
53:47 - The probes are AWESOME! - Shootout with Siglent
56:49 - Conclusion
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#ElectronicsCreators #Rigol #Review
Forum: eevblog.com/forum/blog/university-of-nsw-electronics-lab-makerspace-tour
00:00 - A tour of the UNSW electronic lab with Torsten Lehmann
02:57 - Why they chose the R&S RTB2000 oscilloscope
03:49 - Remotely interactive demo boards
04:52 - Does university teach practical skills any more?
08:41 - For the Siglent fanboys
10:50 - Soldering station
12:16 - Practical projects
15:13 - Thesis and learning to play an instrument analogy
16:39 - The 400kV High Voltage Lab
17:22 - Power systems laboratory
18:33 - Power electronics and drives laboratory
19:42 - Maker Space
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#ElectronicsCreators #UNSW #Tour
Available for auction from 99cents: https://www.ebay.com.au/itm/225767769508
Ian Scott Johnston on The Amp Hour: theamphour.com/643-calibration-repair-with-ian-johnston
Thin film ceramic hybrid resistor networks: youtube.com/watch?v=Rxy-VpSDPg4
Forum: eevblog.com/forum/blog/eevblog-1564-agilentkeysight-u1273ax-multimeter-repair
00:00 - Faulty Agilent / Keysight U1273AX OLED display multimeter
01:36 - Battery leakage, OF COURSE!
04:26 - Bottom of PCB
05:47 - The OLED display
10:09 - Annoying voltage measurements
15:14 - At great expense to management, a new OLED
18:18 - Winner Winner Premature Dinner
20:19 - The Repair is over, right? RIGHT?
21:22 - Accuracy fault. Repair time again.
25:23 - Hybrid Thin Film Resistor Dividers
26:56 - Parallel contamination
29:44 - When in doubt, suck it off
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#ElectronicsCreators #Repair #Multimeter
Forum: eevblog.com/forum/blog/eevblab-115-youtube-ad-changes-forced-on-you!
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#ElectronicsCreators #Youtube #Monestisation
Forum: eevblog.com/forum/blog/eevblog-1563-new-$389-12bit-rigol-dho800-scope-teardown
EXCLUSIVE Unboxing and first impressions video: eevblog.com/2023/09/01/website-exclusive-rigol-hdo800-oscilloscope-unboxing
Hires teardown photos: eevblog.com/2023/09/06/eevblog-1563-new-389-12bit-rigol-dho800-scope-teardown
Size comparison: youtube.com/watch?v=i8LAccDzLCI
HDO1000 Teardown: youtube.com/watch?v=qEpkVa_ysaw
HDO4000 Teardown: youtube.com/watch?v=W1Jl0rMRGSg
00:00 - Rigol's NEW $389 DHO800 12 bit Oscilloscope!
02:43 - USB-C Powered
03:19 - Teardown of the Small Sparrow, and the DHO900
06:39 - Heatsink Removed and cost reduction
08:01 - Is the USB-C connector robust enough?
11:25 - Plastic moulding
12:13 - Back side of PCB
12:48 - PCB Comparison with HDO1000
13:56 - The ADC
15:13 - What is the missing memory?
15:42 - BOM cost INCREASE? Why?
16:40 - Bypass caps WTF. Madman Muntz is turning in his grave!
17:42 - Front end comparison with DHO1000 and HDO4000
20:00 - The Logic Analyser
21:15 - The Arbitrary Waveform Generator option in the DHO900
22:39 - PCB summary, and Dave doesn't allow this type of production engineering!
22:31 - Serial boot dumping
25:56 - The boot Android O/S micro SD card
27:15 - Power consumption and summary
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#ElectronicsCreators #Rigol #Teardown
eevblog.com/forum/chat/ot-shopify-kinda-sucks
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#ElectronicsCreators #dhlexpress
That boombox from the iconic scene with John Cusak in Say Anything playing Peter Gabriel's In Your Eyes
Unboxing: youtube.com/watch?v=381wHMamsYQ
Sony Walkman teardown: youtube.com/watch?v=a0B4CWfYE8I
Forum: eevblog.com/forum/blog/eevblog-1562-the-1980s-boombox-teardown-sharp-gf-7600
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#ElectronicsCreators #1980s #Music
A look at the working unit, PCB and schematic.
Design series Playlist: youtube.com/playlist?list=PLE37A0E6F75C37452
Forum: eevblog.com/forum/blog/eevblog-1561-usupply-usb-power-supply-part-20
00:00 - The final prototype µSupply, it's been a while!
01:36 - It's actually a working product
02:50 - The story of why it wasn't released
03:34 - Teardown
05:33 - Old prototype
07:04 - Multiple processors and USB Power Delivery
08:03 - Evolution of the Banana Jacks
08:50 - Old vs New Prototype
10:11 - The LCD is gorgeous
11:36 - The Schematic
12:34 - The secondary side ST ARM micro
13:22 - Altium and Modular Electronics RANT
15:43 - The Primary Side ST ARM Micro and the USB Power Delivery RANT
19:00 - UART isolation
19:44 - Main isolated switching conveter with custom Planar Transformer
20:33 - Some old prototype concept renders
21:41 - Choose Your Fighter! Keypad vs Up/Down Interface
24:14 - Custom Planar Transformer
25:47 - Tracking Switching Pre-Regulator
27:16 - Not Recommended For New Design
28:03 - Output Constant Voltage and Constant Current Regulation Circuit
31:59 - µSupply history and Leo Simpson Silicon Chip story
34:18 - The PCB
36:19 - Conclusion
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#ElectronicsCreators #uSupply
Siglent teardown: youtube.com/watch?v=Ijb_SzJ9Fs0
Forum: eevblog.com/forum/blog/eevblog-1560-tip-use-your-arb-gen-as-a-high-resolution-dc-voltage-source!
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#ElectronicsCreators #TechTip
twitter.com/abhinav_937/status/1688854192897814528
PCB Design Video Playlist: youtube.com/playlist?list=PL8D3B363139B67FF3
Forum: eevblog.com/forum/blog/eevblog-1559-pcb-design-trace-current-rating
00:00 - Twitter question: How should I design a PCB trace to carry 80A of current
01:09 - Ohms law and copper losses
02:06 - PCB Trace calculator
02:45 - The three (four) major factors to PCB current handling calculations
02:54 - Trace Width and Copper thickness (weight) and PCB stackups
04:18 - A trap with Multilayer PCB designs
05:20 - External vs Internal layer matters with thermal design
06:20 - What happens if you exceed the maximum current rating?
07:23 - PCB plating matters
08:12 - Electrical vs Thermal design considerations
09:30 - 1oz copper vs 2oz vs 4oz
10:35 - Solder and tin plated traces
11:37 - Let's look at what a PCB manufacturer offers, HASL, SMOBC, ENIG etc
12:46 - How do you get your PCB traces plated in your design?
14:31 - Those are rookie temperature numbers, you gotta pump those up!
14:51 - The IPC 2152 and IPC 2221 standards are a bit How'ya'Doing
16:30 - The physical and thermal part of your product design matters
16:47 - Thermal conduction to planes matters
19:30 - Does VIA stiching matter?
20:30 - Have you considered a Bus Bar?
21:56 - We can get 80A on a single PCB trace, BUT...
23:18 - Can I interest you in bodge wire Sir? It's complete legit.
24:17 - PCB Standard WARS!
26:19 - Forget about etch factor
27:08 - Internal vs External trace calculations
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#ElectronicsCreators #PCB #Design
PocketFrog: standardmeasurement.us
Omnifixo Maker's Third Hand: https://kandaelectronics.com.au/products/omnifixo-of-m4-makers-third-hand
NASA Red Crew: nasa.gov/feature/artemis-red-crew-team-helps-enable-successful-launch
caberqu.com
github.com/DanInvents/Rockit
The legend that is Billy! youtube.com/watch?v=na6F0K7lpjY
00:00 - Mailbag
00:42 - PocketFrog USB Lab in your pocket
22:40 - Omnifixo OF-M4 Magnetic PCB Holder
28:32 - NASA Artemis 1 Red Crew - Billy Cairns
30:36 - Caberqu C2C USB-C Cable Tester
39:30 - Rocket Rocket-Operation Computing Kit (Rockit)
42:44 - RIFA Capacitor FAIL
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And a direct comparison with the HVP-70 high voltage differential probe to show you the incredible game changing difference optical fibre probes make.
micsig.com/SigOFIT
CMRR Explained video: youtube.com/watch?v=vDe_BHvRpks
Forum: eevblog.com/forum/blog/eevblog-1557-micsig-sigofit-optical-fibre-probe-gan-experiment
Links:
infineon.com/dgdl/Infineon-1EDF5673K-DataSheet-v02_04-EN.pdf
infineon.com/dgdl/Infineon-ApplicationNote_CoolGaN_600V_emode_HEMTs_-Driving_CoolGaN_high_electron_mobility_transistors_with_EiceDRIVER_%201EDI_Compact-AN-v01_00-EN.pdf
infineon.com/dgdl/Infineon-ApplicationNote_CoolGaN_600V_emode_HEMTs-AN-v01_00-EN.pdf
infineon.com/dgdl/Infineon-ApplicationNote_EvaluationBoard_EVAL_1EDF_G1_HB_GAN-ApplicationNotes-v01_03-EN.pdf
infineon.com/dgdl/Infineon-GalliumNitride_CoolGaN_emode_HEMTs-ProductSelectionGuide-v01_01-EN.pdf
infineon.com/dgdl/Infineon-IGOT60R070D1-DataSheet-v02_14-EN.pdf
infineon.com/dgdl/Infineon-ProductBrief_GalliumNitride_CoolGaN_600V_e-mode_HEMTs-ProductBrief-v03_00-EN.pdf
infineon.com/dgdl/Infineon-SolutionBrief_CoolGaN_and_GaN_EiceDRIVER-ProductBrief-v01_00-EN.pdf
Demo board: digikey.com/en/products/detail/infineon-technologies/EVAL1EDFG1BHBGANTOBO1/13548558
00:00 - Micsig SigOFIT Optical Fibre Probe vs Active FET
02:25 - High Voltage Differential Limitation and why you might need an Optical Fibre probe
03:25 - Galvanically isolated, and power-over-fibre
04:39 - Comparison with the Tek IsoVu & Lecroy DL-ISO
05:55 - The CMRR is AMAZING!
07:15 - A look at the SigOFIT probe
10:04 - An optical fibre probe is NOT a high voltage differential probe!
10:40 - Practical example using a 600V Gallium Nitride GaN circuit demo
11:39 - What is a Gallium Nitride (GaN) Transistor?
13:23 - GaN / HEMT, and Silicon Carbide SiC Transistors
14:21 - IGOT60R070D1 600V GaN datasheet & Half Bridge switching configuration
15:30 - This is IMPOSSIBLE with a regular probe!
19:07 - GaN EiceDRIVER chip
19:54 - The practical GaN test setup
23:10 - Remote MXO4 scope control to take measurements
24:36 - High side GaN power transistor measurement with the SigOFIT
26:26 - Here is where the CMRR MAGIC happens!
27:41 - Comparison with HVP-70 High Voltage Differential Probe
28:45 - Look how the High Voltage Differential Probe is just horrible here!
31:56 - Baseline High Voltage Differential probe ringing vs SigOFIT
32:21 - Noise measurement
36:27 - Conclusion
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#ElectronicsCreators #Micsig #opticalfibre
When will this nonsense stop?
https://nos.nl/artikel/2484255-innovatief-zonnefietspad-bij-maartensdijk-levert-bijna-niets-op
https://www.dutchnews.nl/2023/07/solar-bike-path-fails-to-meet-electricity-targets-again/
https://www.wattisduurzaam.nl/37168/energie-beleid/utrechts-zonnefietspad-op-koers-voor-40-van-beoogde-opbrengst/
https://www.wattisduurzaam.nl/16140/energie-opwekken/7-veelbelovende-innovaties-die-de-transitie-geen-steek-verder-helpen/
twitter.com/WattisDuurzaam/status/1525171198052782090
businessinsider.com/worlds-first-solar-road-turned-out-colossal-failure-2019-8
archpaper.com/2015/07/bike-path-pieces-skeptics-dismiss-dutch-solar-bike-path-solaroad-inefficient-cash-grab
Solar roadways BUSTED Playlist: youtube.com/playlist?list=PLzET2ZHWnFA-6fnJu8WAhKmIruWDp8CQr
Forum: eevblog.com/forum/blog/eevblog-1556-solaroad-solar-cycleway-fails-again!
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Maybe, maybe not, remains to be seen.
But one thing's for sure, the demo video of their LK-99 material on their website is an EPIC FAIL!
It's such an embarrassing mistake you won't believe it!
Dave shows how with a single lab experiment.
Links:
https://qcentre.co.kr/
LK-99 film magnetic test video: youtube.com/watch?v=EtVjGWpbE7k
arxiv.org/abs/2307.12008
Paper 1: arxiv.org/ftp/arxiv/papers/2307/2307.12008.pdf
Paper 2: arxiv.org/ftp/arxiv/papers/2307/2307.12037.pdf
Forum: eevblog.com/forum/blog/eevblog-1555-lk99-ambient-temperature-superconductor-busted!
00:00 - This LK-99 ambient temperature & pressure superconductor is going to CHANGE THE WORLD!
02:52 - Low but not zero resistance? I thought this was a superconductor?
04:22 - Some journalists are actually doing their job this time
06:28 - The Meissner effect
07:11- Thunderf00t's take
08:06 - This demo video is just a total embarrassment! It's just Lenz's Law!
10:36 - Let's reproduce the demo video experiment!
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It can measure the curvature of your cornea, and well as refractive error to diagnose near and far sightedness.
Dave's Dodgy Optometry Service: youtube.com/watch?v=cgCFNi8CekE
Links:
rexxam.co.jp/themes/eye-care/products/images/nvk5001/NvisionK5001.pdf
https://www.academia.edu/59315264/Clinical_Evaluation_of_the_Shin_Nippon_NVision_K_5001_Grand_Seiko_WR_5100K_Autorefractor
opticsforhire.com/blog/keratometer-optical-design
Manual: yumpu.com/en/document/read/25018677/english-manual
00:00 - What is an AutoRefractor Keratometer?
03:41 - Don't try this at home kids! Can Dave measure his eyeball?
06:17 - Teardown
08:14 - Pupil distance measurement
09:43 - Should have read the manual...
11:22 - How the Keratometer mire circle is generated
13:42 - Optical path and lenses
15:47 - The camera
16:53 - Fine auto-focus mechanism
18:22 - Main PCB
Forum: eevblog.com/forum/blog/eevblog-1554-optometrist-autorefractor-keratometer-teardown!
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Built in 1981 and using 14 heliostatic tracking 5m diameter dishes, this concentrated thermal solar plant produced 25kW of power using a steam generator.
Links:
en.wikipedia.org/wiki/White_Cliffs_Solar_Power_Station
Analysis report: eevblog.com/files/sustain_renew_solar_white_cliffs_project_report.pdf
Mirror efficiency data: nrel.gov/docs/fy08osti/43695.pdf
Heritage Listing: https://portal.engineersaustralia.org.au/system/files/engineering-heritage-australia/nomination-title/White_Cliffs_Nomination.pdf
History: ehive.com/collections/7333/the-white-cliffs-solar-thermal-power-station
Steam genertor assesment: researchgate.net/publication/309426826_An_Experimental_and_Analytical_Assessment_of_a_Steam_Rankine_Solar_Thermal_Power_System
wiki.opensourceecology.org/wiki/Steam_Engine/Correspondence
Forum: eevblog.com/forum/blog/eevblog-1553-worlds-first-commercial-solar-power-station
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#ElectronicsCreators #Solar #Tour
00:00 - Unboxing the new Digilent Analog Discovery 3
02:23 - New features
05:00 - The price and comparison with a benchtop scope
06:19 - Teardown and comparison with Analog Discovery 2
10:18 - Nice design touches
digilent.com/blog/whats-different-with-the-analog-discovery-3
12:01 - In operation using the Waveforms software
14:04 - Different product support and modes
16:25 - Highest resolution possible
18:12 - Lets feed it up it's own clacker...
21:30 - Check THIS out!
23:30 - The Help system
24:51 - The Power Supply
27:08 - I can't possibly demo all the features. Spectrograms, Persistence, Eye Diagrams, Histrogram, FFT's
28:04 - OMG you can ramp and modulate the Power Suppply! Let's try this...
32:24 - It's useful, but not universally useful.
32:22 - The timebase scale is kinda annoying
34:41 - Adding NOISE to the PSU!
36:47 - Let's SHORT this sucker...
38:49 - Have you tried turning it off and on again?
39:55 - Is this a bug?
40:49 - Dumb arse Dave
42:05 - Measurements
43:57 - Check this out!
44:40 - FFT
45:33 - 3D spectrogram
48:49 - Conclusion
Forum: eevblog.com/forum/blog/eevblog-1552-digilent-analog-discovery-3
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olegkutkov.me
twitter.com/olegkutkov
https://radionavlab.ae.utexas.edu/wp-content/uploads/2023/01/starlink_structure.pdf
theverge.com/2021/11/11/22776563/spacex-starlink-rectangular-dish-router-mounting-internet-satellites
https://i.blackhat.com/USA-22/Wednesday/US-22-Wouters-Glitched-On-Earth.pdf
cdn.intechopen.com/pdfs/37016/InTech-Antenna_designs_with_electromagnetic_band_gap_structures.pdf
onlinelibrary.wiley.com/doi/epdf/10.4218/etrij.2017-0197
Signal Path Starlink analysis: youtube.com/watch?v=h6MfM8EFkGg
00:00 - Ukrainian Starlink dish PCB that was DESTROYED by shrapnel!
15:18 - Snaptron Solderable tactile PCB Domes
snaptron.com
Forum: eevblog.com/forum/blog/eevblog-1551-destroyed-ukrainian-starlink-pcb!-mailbag
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#ElectronicsCreators #Starlink
keysight.com/us/en/product/E36731A/battery-emulator-and-profiler.html
Forum: eevblog.com/forum/blog/eevblog-1550-keysight-e36731a-battery-emulator-teardown
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#ElectronicsCreators #Keysight #Teardown
Grid Studios Teardown artwork: gridstudio.cc
FNB58 USB power monitor: https://s.click.aliexpress.com/e/_Dlc6MlJ
FNB48P: https://s.click.aliexpress.com/e/_DlifLtx
ultraonedesign.com
Fnirsi S1 Multimeter: https://s.click.aliexpress.com/e/_DC2hz2H
Forum: eevblog.com/forum/blog/eevblog-1549-mailbag-teardown-art-usb-power-and-multimeter
00:00 - Mailbag
00:31 - Grid Studio Teardown artwork
06:06 - Fnirsi bonanza
07:46 - USB Power monitors FNB58 and FNB48P
12:01 - The uSupply makes another appearance
16:29 - UltraOne Design Binding post to Banana post adapters
19:32 - Fnirsi S1 USB Rechargeable Multimeter
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#ElectronicsCreators #Mailbag #fnirsi
Dave does something no one else has done before - compare the original Apollo 17 16mm ascent camera footage to the Lunar Reconnaissance Orbiter (LRO) photos.
Will footage from 40 years apart match up to confirm the moon landing?
The Last Man On The Moon: http://amzn.to/2h1b6Xc
Audio Book: http://amzn.to/2uySy3X
Book: http://amzn.to/2uV67NB
LunarCognita Video: youtube.com/watch?v=7k28y1FL2TU
Inside & Outside footage: youtube.com/watch?v=XlGis35Epvs
NVIDIA moon landing proof: youtube.com/watch?v=O9y_AVYMEUs
Lunar Roving Vehicle Handbook: hq.nasa.gov/alsj/a16/A16OTM15-42.pdf
Third party evidence: en.wikipedia.org/wiki/Third-party_evidence_for_Apollo_Moon_landings
Apollo cameras: en.wikipedia.org/wiki/Apollo_TV_camera
Forum: eevblog.com/forum/blog/eevblog-1548-moon-landing-hoax-busted
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00:00 - The Moon Landing HOAX
00:27 - Apollo 17 ascent footage
02:05 - The little known 17mm film footage
03:02 - Lunar Reconnaissance Orbiter photos
03:35 - Can we match 40 year old film footage to current LRO photos?
05:47 - Take THAT!
07:51 - Gene Cernan
09:02 - The NVIDIA simulation photo proof
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#moon #conspiracy #busted
How to use a visual method to solve boolean algebraic equations and truth tables.
Part 5 of the digital logic design tutorial series.
Playlist: youtube.com/playlist?list=PLvOlSehNtuHs2LwEdDwTp3n7mxb-MyBbo
Forum: eevblog.com/forum/blog/eevacademy-digital-design-series-part-5-karnaugh-maps
00:00 - Part 5 of the digital logic design tutorial series
02:15 - Solving a logic truth table algebraically
04:17 - Verification of result By Inspection
06:27 - Maurice Karnaugh and drawing Karnaugh Maps
07:44 - The magic of Gray Code
08:51 - Mapping from Truth Table to Karnaugh Map
10:20 - The RULES for grouping 1's
14:21 - Solving the Karnaugh Map usign Sum of Products
17:19 - 4x4 Karnaugh Map
20:06 - There is more than one solution
22:23 - Another example with overlapping groups
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twitter.com/nascom1
Part 2: youtube.com/watch?v=vUvzgZt1Vug
Part 1: youtube.com/watch?v=586Zn1ct-QA
Links:
GaN solid state amplifier: ntrs.nasa.gov/api/citations/20190028651/downloads/20190028651.pdf
Deep Space Network information
descanso.jpl.nasa.gov/monograph/series10/03_Reid_chapt3.pdf
descanso.jpl.nasa.gov/monograph/series10/04_Reid_chapt4.pdf
descanso.jpl.nasa.gov/monograph/series10/05_Reid_chapt5.pdf
Air exclusion zone: https://www.avsef.gov.au/sites/default/files/2023-03/documents/nsw-act-nat_r430_tidbinilla_increase_in_transmitting_power_0.pdf
Maser amplifier: ntrs.nasa.gov/api/citations/19940025169/downloads/19940025169.pdf
X band uplink: ipnpr.jpl.nasa.gov/progress_report/42-87/87O.PDF
34M Beam Waveguide antenna:
descanso.jpl.nasa.gov/monograph/series4/Mono4_Ch6.pdf
descanso.jpl.nasa.gov/monograph/series4/Mono4_Ch7.pdf
Forum: eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe
00:00 - Tour of the NASA Canberra Deep Space Communications Complex at Tidbinbilla
04:00 - Does the wind add any jitter?
04:29 - The new 34m Beam Waveguide Antennas
06:10 - The 400kW Klystron!
08:33 - Lunar Reconnaissance Orbiter tracking
10:34 - Upgrading Low Noise Amplifiers from Maser to MEMT
11:39 - LNA downconverters to 300MHz IF
12:14 - 1.1MW generator!
13:11 - How is this different to Parkes?
15:07 - Doppler shift
17:05 - Hydrogen Maser
18:00 - Why in a valley?
19:08 - Why worry about external RF?
20:09 - Transmit Mask
21:01 - The bearings
21:50 - Birds
22:29 - End of an Era for 70m dishes?
25:04 - Still the only game in town
26:15 - The original moon walk dish
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#Space #NASA #DeepSpace
Follow Richard Stephenson on Twitter: twitter.com/nascom1
Low noise receivers: https://safe.nrao.edu/wiki/pub/Main/GalenWatts/Reid_DESCANSO_sml.pdf
00:00 - Tour of the Canberra Deep Space Tracking Complex control room.
01:49 - Tracking Schedule
03:35 - Receiver system front end controls for Voyager 2
04:54 - Voyager 2 time reference
06:20 - Subcarrier and Symbols
07:02 - Multi Convolutional Decoder
07:57 - Spectrum Display
08:32 - Antenna controls, beam width and accuracy
10:43 - Signal path display
11:51 - Why doesn't the DSNnow signal level match the actual signal level?
Forum: eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe
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#NASA #space #Voyager
PART 1: A detailed explanation by Richard Stephenson from the NASA Canberra Deep Space Communications Complex in Canberra on how the 70m DSS-43 dish at the CDSCC is used to still contact the Voyager 2 probe.
You can follow Richard on Twitter: twitter.com/nascom1
Low noise receivers: https://safe.nrao.edu/wiki/pub/Main/GalenWatts/Reid_DESCANSO_sml.pdf
NOTE: This video is a re-release from the EEVblog Discover channel from 2017, to hopefully find a new audience.
Forum: eevblog.com/forum/blog/eevblog-1547-contacting-the-voyager-2-space-probe
00:00 - How do you contact the Voyager 2 space probe?
03:14 - Voyager ISN'T the lowest signal level!
06:29 - The Failed Capacitor and the Best Lock Frequency
09:00 - Transmit uplink power
10:00 - System noise temperature
10:30 - S and X band receivers
11:42 - Mars Reconnaissance Ordbiter and the Signal to Noise Ratio
12:39 - Maximum Transmit power is WHAT?
13:12 - The effects of weather
14:16 - Power supply and backups
15:29 - The roll of the Deep Space Network
16:50 - Mag Roll Calibration
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#ElectronicsCreators #NASA #voyager
And a look at how Digital Light Processing micromirror devices work under the microscope.
Links:
projectorcentral.com/pdf/projector_spec_5408.pdf
projectorcentral.com/pdf/projector_manual_5408.pdf
ti.com/lit/ds/symlink/dlp9000.pdf
ti.com/lit/ml/dlpb010e/dlpb010e.pdf
eenewseurope.com/en/from-projectors-to-heads-up-displays-how-dlp-works
http://www2.optics.rochester.edu/workgroups/cml/opt307/spr05/john/
Forum: eevblog.com/forum/blog/eevblog-1546-insane-$30k-4k-panoramic-dlp-projector-teardown
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#ElectronicsCreators #Teardown
Legacy media vs New Media.
TED Conference Exposed : altcensored.com/watch?v=4JhwQ17mLjo
Forum: eevblog.com/forum/blog/eevblab-113-how-paid-media-influence-works
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#entrepreneur #media #exposed
Wow, this is an impressive beast in more ways than one.
rohde-schwarz.com/us/products/test-and-measurement/oscilloscopes/rs-mxo-4-oscilloscope_63493-1164992.html
Teardown photos: eevblog.com/2023/05/25/eevblog-1545-worlds-fastest-oscilloscope-mxo4-teardown
Unboxing and testing:
youtube.com/watch?v=txPxo4TA0i4
ADC: ti.com/lit/ds/slvsdr3c/slvsdr3c.pdf
FPGA: digikey.com/en/products/detail/amd-xilinx/XCZU7EG-1FBVB900I/7034695
Forum: eevblog.com/forum/blog/eevblog-1545-worlds-fastest-oscilloscope-mxo4-teardown
00:00 - Rohde & Schwarz MXO4 The world's fastest oscilloscope
00:55 - The handle doesn't cut the mustard these days
02:02 - The production flap
03:54 - ALL scopes should use this power connection!
04:32 - This is gorgeous, and it just gets better.
06:38 - Look at it! Look at it!
08:14 - RF goodness
08:35 - Dual 100MHz Arb generator
08:54 - Best probe interface solution ever
09:55 - The world's best low noise fan?
10:53 - Main PCB
13:17 - Inside the front end RF can
19:48 - The MXO4-EP ASIC
21:30 - External trigger system
22:43 - $3300 12bit ADC
23:29 - The $3400 Xilinx Zynq FPGA and applications processor.
26:08 - I'm now uploading videos natively on Twitter
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#ElectronicsCreators #Oscilloscope #Teardown
PLUS a Solar Roadways UPDATE!
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00:00 - Platio Solar Pavement in the Netherlands BUSTED!
02:15 - The launch day unveiling video
03:43 - The location in Groningen. Absolutely nowhere else for panels, LOL
05:41 - We've BUSTED Platio before! The Spanish installation.
06:41 - BUSTING the numbers with DaveCAD
11:17 - The numbers are just embarrassing!
12:58 - Embodied energy anyone?
14:45 - Anyone remember the Dutch Solaroad project?
16:03 - Solar Freakin Roadways UPDATE
17:29 - ANOTHER ONE in the Netherlands? SERIOUSLY?
18:55 - I was WRONG, it's worse, way worse.
Reference Links:
platiosolar.com/europes-new-solar-footpath-from-recycled-plastic-waste-that-generates-electricity
pv-magazine.com/2023/04/05/dutch-city-installs-solar-footpath
https://www.oogtv.nl/2023/03/zonnevoetpad-op-europapark-levert-veel-energie-op/
youtube.com/watch?v=_L6n5hX3J8E
Location: google.com/maps/@53.2065629,6.5886968,397m/data=!3m1!1e3
Cost: pv-magazine.com/2020/04/23/solar-pavement-for-outdoor-applications
PVoutput reference site: pvoutput.org/list.jsp?p=1&id=97903&sid=86280&gs=0&v=0&o=date&d=desc
Spanish Platio BUSTED video: youtube.com/watch?v=RIiiGReUZ3A
EEVblog2 Platio video short: youtube.com/watch?v=Kw3ZiQY2nKM
Solar Roadways StartEngine: startengine.com/offering/solar-roadways
Solar Roadways Webcam: solarroadways.click2stream.com
Solaroad in the Netherlands FAIL photos: twitter.com/Stop_Solaroad/status/1189216271591772160
Forum: eevblog.com/forum/blog/eevblog-1544-platio-solar-pavement-busted!
Web Site: http://www.eevblog.com
Other channels:
EEVblog2: http://www.youtube.com/EEVblog2
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#debunking #Platio #Solar
Check out his new book, Up and to the Right. amzn.to/3M3DXFM
How Microchip was built into one of the biggest and most pofitable chip companies in the world.
This is copied from The Amp Hour podcast, as it shuld be of great interest to EEVblog viewers.
theamphour.com
In this episode we discussed:
The early microcontrollers, ROM, EPROM, EEPROM, FLASH.
Semiconductor Fab's and locations.
How the US Government CHIPS act is a golden handcuffs trap.
US/China rhetoric.
What really happened durign the covid supply chain crisis.
How 90% of medical devices use Microchip parts.
Lead times.
Respect for the chip manufacturers and supply chains.
Just-In-Time becomes Just-In-Case.
How the Toyota production system works and how it had to change.
The impacts of a potential war in Taiwan.
How does it make sense to make thousands of part variants?
The secret to making part varients.
Why Microchip chose MIPS vs ARM.
Atmel didn't make any money!
Pricing discipline.
How buying Atmel almost didn't happen, and how Dialog Semiconductor goofed it.
Draconian NDA terms.
Atmel was bloated.
RISC-V plans.
Customer Driven Obsolescence.
Foundry vs In-House limitations.
Open Source FPGA tools?
Third party tool support.
Why not offer free optimised compilers?
It's all about black swan events, down cycles, pointy haired bosses, and how All your Cost Bases Beyong To Me.
Hobbyist vs professionals.
How Microchip is the largest aerospace chip maker in the world. Nothing leaves earth without a Microchip part in it.
Radiation hardended parts.
Market value profitability.
Will Microchip ever get acquired.
Strained US vs China relations.
Forum: eevblog.com/forum/microcontrollers/talking-with-steve-sanghi-ceo-of-microchip-for-31-years
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Web Site: http://www.eevblog.com
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#ElectronicsCreators #Podcast #microchip
It is better than the E-Design Miniware TS-80P?
https://s.click.aliexpress.com/e/_DFykRxj
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Forum: eevblog.com/forum/blog/eevblog1543-mailbag-fnirsi-hs-01-usb-portable-soldering-iron
00:00 - The $30 Fnirsi HS-01 USB soldering iron
01:20 - The tips. Hakko T12?
02:54 - Sponge accident!
03:11 - This is a bit dodgy
04:08 - Soldering capacity tests
05:50 - Comparison with the Miniware TS-80P
07:49 - Anti-roll design
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#ElectronicsCreators #Fnirsi #Soldering
A compilation video.
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Forum: eevblog.com/forum/blog/eevblog-1542-a-decade-of-dumpster-diving
Web Site: http://www.eevblog.com
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#ElectronicsCreators #DumpsterDiving
Another blown SMD component ID search : youtube.com/watch?v=i1Ad5jfk_v4
Twitter thread: twitter.com/PoiSolutionsLLC/status/1652769442080620549
00:00 - Failed Hantek 2000 handheld oscilloscope
02:08 - PCB location is your best clue
04:21 - Voltage regulator maybe?
06:01 - You gotta ask yourself, do I feel lucky? Well, do you, punk?
07:38 - Dialing in that google foo
08:20 - Winner Winner Chicken Dinner
09:54 - Test Pins
11:17 - Can you play spot the difference?
13:43 - Category Search
datasheet.lcsc.com/lcsc/2001131003_Shikues-BRCL3130ME_C475652.pdf
datasheet.lcsc.com/lcsc/2201121900_Shikues-SKCL3130ME_C2941741.pdf
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
Forum: eevblog.com/forum/blog/eevblog1541-what-is-this-blown-smd-component-redux
Web Site: http://www.eevblog.com
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#ElectronicsCreators #Repair #smd
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
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#ElectronicsCreators #scam
https://s.click.aliexpress.com/e/_DFsZNAV
If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog
00:00 - Zotek ZT702S Oscilloscope Multimeter unboxing
01:51 - Just STOP IT, ok! LOL
04:16- Teardown
08:31 - Oscilloscope front end and processor
11:43 - First turn on
14:53 - WTF! FAIL!
15:27 - The bargraph is hopeless
17:45 - The oscilloscope function
21:17 - USB drive mode and screen capture
23:01 - I can't screw the BNC in!
24:45 - Oscilloscope Overload issue
25:48 - Multimeter overload testing
26:34 - The battery life really sucks
Forum: eevblog.com/forum/blog/eevblog-1540-the-$80-zotek-zt-702s-osciloscope-multimeter-review
Web Site: http://www.eevblog.com
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#ElectronicsCreators #Zotek #Multimeter
Part 3 of the new project series.
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Forum: eevblog.com/forum/blog/eevblog-1539-new-project-part-3-stm32l-vs-pic24f
Web Site: http://www.eevblog.com
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#ElectronicsCreators #stm32 #microchip