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EEVblog
By David L. Jones
4.6
7979 ratings
FAQs about EEVblog:
How many episodes does EEVblog have?
The podcast currently has 683 episodes available.
EEVblog episodes:
September 27, 2024EEVblog 1642 – Can I Resurrect My First Digital Multimeter? Can I resurrect my first digital multimeter? A Soar ME-533
Forum: https://www.eevblog.com/forum/blog/eevblog-1641-can-i-resurrect-my-first-digital-multimeter/
00:00 – My first digital and analog multimeters, Soar ME-533 + Micronta 22-201U
03:20 – Battery terminal corrosion, of course05:13 – My first pair of pliers and screwdriver06:11 – Teardown08:10 – Removing the LCD10:24 – LCD under the microscope, the magic fluid escaped15:14 – Conductive LCD traces on glassMeter was also branded Dick Smith Q-1446 https://www.youtube.com/watch?v=I6C0HnkR7EM
...more September 27, 2024EEVblog 1641 – How DC Solar Isolators Work (TEARDOWN) How DC Solar Isolators Work (TEARDOWN)
00:00 – Teardown of Benedict LS25 Solar True DC Isolator Switch
04:29 – How the contacts work06:02 – How arc chutes and arc barriers work12:11 – 5000V arc testingDatasheet: https://www.benedict.at/files/documents/6617533-DC-Switch-Disconnector-D946E.pdf
Forum: https://www.eevblog.com/forum/blog/eevblog-1641-how-dc-solar-isolators-work-(teardown)/
...more September 18, 2024EEVblog 1640 – Mailbag: 4k Microscope, Panaplex Displays, Piezo Singing, RF magic More interesting mailbag!
00:00 – Forest M Mimms Make: Maverick Scientist: My Adventures as an Amateur Scientist
https://amzn.to/4e7fSupSigned copies: https://www.makershed.com/products/maverick-scientist-hardcoverEngineers Mini Notebook are still available!https://amzn.to/3zvSkjJhttps://amzn.to/3XLRJnnhttps://amzn.to/3XLMHY7https://amzn.to/4dd9cJQIn the Lab with Jay Jay: https://www.youtube.com/@InTheLabWithJayJay03:30 – Unmanaged615https://www.reddit.com/r/TheAmpHour/04:40 – Piezo tranducer sensor thing + singing capacitors and hydrophones08:18 – Simpson panel meter with GORGEOUS Beckman Panaplex display!13:41 – 10GHz RF tank level sensor, teardown + how it worksLightbox Engineering https://www.lightboxengineering.com/20:16 – Tomlov TM 4K AF Max Microscopehttps://s.click.aliexpress.com/e/_DDJDCgFForum: https://www.eevblog.com/forum/blog/eevblog-1640-mailbag-4k-microscope-panaplex-displays-piezo-singing-rf-magic/
...more September 18, 2024EEVblog 1639 – Keysight InfiniiVision HD3 Oscilloscope Teardown Teardown of the new Keysight InfiniiVision HD3 14bit Megazoom V ASIC oscilloscope
https://www.keysight.com/us/en/products/oscilloscopes/infiniivision-2-4-channel-digital-oscilloscopes/infiniivision-hd3-series-oscilloscopes.htmlForum: https://www.eevblog.com/forum/blog/eevblog-1639-keysight-hd3-oscilloscope-teardown/
...more September 06, 2024EEVblog 1638 – NEW Keysight Megazoom V ASIC 1GHz HD3 Oscilloscope! After 13 YEARS Keysight have finally released the new MegaZoom V ASIC oscilloscope! Let’s take an initial look at the HD3 / HD300 series released today.
NOTE: I only had this scope for 24 hours from when it arrived to when I released this video, so please excuse the crudity of the video, I didn’t have time to build it to scale or to paint it.https://www.keysight.com/us/en/support/HD304MSO/infiniivision-oscilloscope-4-analog-channels.html
Forum: https://www.eevblog.com/forum/blog/eevblog-1638-new-keysight-megazoom-v-asic-1ghz-hd3-oscilloscope/
00:00 – NEW Keysight HD304MSO 14bit ADC Oscilloscope with Megazoom V ASIC!
08:19 – Boot up10:24 – New User Interface14:12 – A few bugs15:40 – 100MHz Signal Gen16:28 – USB & Quick Action18:13 – Intensity Graded Display DOWNGRADE?19:30 – Ethernet remote and VNC21:01 – Screen Scaling?22:59 – Measurements23:44 – Coming soon… X-Y & Roll24:52 – 100uV/DIV ?25:38 – Measurement on full data or screen?27:34 – Trigger level range limitation, another coming soom feature28:02 – Comparison to R&S MXO4, Half the noise, and 14bit vs 12bit29:57 – Update rate comparison30:44 – Noise measurement at 1V/DIV31:17 – Custom ADC speculation31:55 – BRUTAL Update rate comparison, Megazoom Magic35:13 – Lack of bandwidth filters, maybe another coming soon option…36:53 – 16 HD mode vs 18bit HD37:10 – 14bit ADC TESTED38:14 – Window docking & Tiling & Full Screen39:08 – Zone triggering40:31 – Serial decode41:43 – NEW FEATURE: Fault Hunter45:50 – 1GHz Passive Probe!46:43 – Conclusion...more September 03, 2024EEVblog 1637: Solar Freakin’ Space Mirrors! – Reflect Orbital DEBUNKED Reflect Orbital wants to put reflecting mirrors in space to sell sunlight to solar farms after dark. The numbers work out exactly as you expect them to. It’s Solar Freakin’ Space Mirror time!
https://www.reflectorbital.com/
BenNBuilds balloon test video: https://www.youtube.com/watch?v=4hUNCtDTIZcFirst Principles interview with Ben Nowack: https://www.youtube.com/watch?v=yDV3v0Xb4owS3 Interview video with Reflect Orbital: https://www.youtube.com/watch?v=4BcDoDs89rcS3 2nd interview with Ben Nowack & Tristan Semmelhack : https://www.youtube.com/watch?v=kmC-u-fXueASpace.com article: https://www.space.com/orbiting-mirror-boost-solar-power-productionClimateCapital investment: https://www.climatecapital.co/portfolioUnderstanding the Duck Curve: https://www.nrel.gov/docs/fy16osti/65023.pdfReal time US energy price tracker: https://www.iea.org/data-and-statistics/data-tools/real-time-electricity-trackerForum: https://www.eevblog.com/forum/blog/eevblog-1537-solar-freakin-space-mirrors-reflect-orbital-debunked/
00:00 – Reflect Orbital, Sunlight After Dark
01:18 – Ben Nowack from BenNBuilds Youtube channel & the balloon test02:55 – Sun synchronous polar orbit reflecting mirror satellites03:54 – A look at the website claims, a 5km sunlight spot for 4 minutes05:58 – This isn’t new, the Russians did it with the Znamya 2, albeit unintentionally06:56 – Who’s behind Reflect Orbital?08:12 – What is the Duck Curve?09:31 – CLAIM: A 10m x 10m satellite mylar reflector into a 12U Cubesat10:09 – CLAIM: 10’s to 100’s if BILLIONS of dollar per year revenue!10:35 – CLAIM: $50/MWh energy sale price after dark11:18 – CLAIM: $175k/year revenue from each satellite & launch costs11:58 – CLAIM: 200W/sqm? Err, in what universe?12:24 – DaveCAD calculations13:10 – 100kW maximum capture is reduced by the tilt angle14:05 – 5mW/sqm. FIVE MILLIWATTS! Is this a JOKE?14:50 – But WAIT, what if you combine and focus all the satellites?16:02 – It gets WORSE! Capacity Factor is a problem.18:14 – 20MWh/year WOW!, that’s a lot, right? Right?19:22 – Even 20MWh/year become ZERO if it consumes more than it produces!20:09 – How did nobody do a back-of-the-envelope calculation?...more August 30, 2024EEVblog 1636 – Ultimate Multimeter Beginners Guide The ultimate beginners guide to multimeters. What are they, how to choose one, and how to use them to measure electrical things.
EEVblog meters: https://eevblog.store/
Cheap $20 meter AN8008Fluke 101 for $50Forum: https://www.eevblog.com/forum/blog/eevblog-1636-ultimate-multimeter-beginners-guide/
00:00 – The Ultimate Beginners Guide to Multimeters
00:35 – Display Counts Explained01:17 – Range Switch or Push Button?01:43 – Don’t get a rechargable type or permanent backlight02:05 – Autoranging vs Manual Ranging03:05 – Multimeter Probes03:36 – Rubber Holster vs Overmoulded Rubber03:50 – Battery powered & Auto Power Off04:06 – What can a Multimeter Measure? Voltage, Resistance and Current04:55 – Do you need Current measurement?05:38 – Capacitance & Continuity06:39 – Continuity Testing Demonstrated07:08 – Diode and LED testing07:59 – Thermocouple Temperature Measurement08:37 – Non-Contact Electric Field (NCV) Testing08:57- Frequency, Duty Cycle, and Min/Max/Avg09:18 – True RMS vs Average Responding10:13 – Practical usage demonstrated10:47 – Modern Multimeters are very robust11:10 – Here is where it gets dangerous, current measurement.12:55 – CAT Safety rating and fuses14:23 – UL and ETL Testing Certification14:43 – BEWARE of Battery LEAKAGE!15:00 – Don’t measure Ohms in-circuit15:43 – Auto Touch Hold16:17 – DC Voltage Measurements17:35 – AC Voltage Measurement18:08 – Current measurement demonstrated19:50 – Capacitance measurements demonstrated21:20 – Ohms cable measurement22:07 – Manual ranging demonstrated23:02 – Bargraph function23:45 – Conclusion and Recommendations...more August 15, 2024EEVblog 1634 – 15kWh AERL LFP Home Storage Battery Install Installing a 15kWh AERL Life2 LiFePo4 solar home storage battery to my Deye inverter.
Thanks to Peter Watkinson from AERL, one of my long time viewers!AERL were the first to invent and patent the Maximum Power Point Tracker MPPT used in all modern solar systems.Analysis video that was cut from this video: https://www.youtube.com/watch?v=gAu8CvMjDrU
Full talk with Peter: https://www.youtube.com/watch?v=eldXifbNm2Ahttps://www.aerl.com.au/mppt-solar-charge-controller-history/
https://www.aerl.com.au/AERL Life2 datasheet: https://www.aerl.com.au/wp-content/uploads/2024/05/AERL_LiFe2_Datasheet_REV_004.pdfDeye manual: https://www.sunovagroup.com.au/wp-content/uploads/2023/12/SUN-3-6K-SG04LP1-AU-1.pdfAustralian Standard for Home Battery Installations: https://store.standards.org.au/product/as-nzs-5139-2019LG Battery recall: https://www.lgessbattery.com/au/recall/recallnotice.lgForum: https://www.eevblog.com/forum/blog/eevblog-1634-15kwh-aerl-lfp-home-storage-battery-install!/
00:00 – AERL Life2 LFP Home storage battery installation
01:08 – Pre-wired 19″ battery storage rack03:23 – 4AWG cables, quick-connects and bus bar05:03 – The old EEVblog garage lab!05:19 – Rate my Home Assistant RPi setup05:43 – Peter Wilkinson from AERL06:21 – The first patented MPPT from 198407:49 – LFP battery management PCB08:14 – The 5.1kWh Life2 LiFePo4 LFP Battery08:30 – LFP vs NMC fire risk and battery safety10:16 – Is it safe and legal to install in the gargage?11:03 – The 19″ battery rack11:51 – How does the battery talk to the Deye hybid inverter?12:42 – Feed-in tarrifs and battery viability13:25 – Should you 100% cycle an LFP battery? And self managed batteries.16:01 – Do the batteries load balance?16:56 – Installation! (+ extra solar installer FAIL)18:48 – The 35mm cable and crimping20:59 – Wiring up the battery cabinet21:48 – Installing the batteries in the rack22:31 – First power-up smoke test23:02 – Connecting the other batteries24:55 – Re-connecting the grid26:07 – The next day…27:32 – How does the Deye inverter know about the Enphase Micro Inverters?29:21 – Big load testing with the EV, oven, and aircon31:17 – Conclusion...more August 02, 2024EEVblog 1633 Part 2 – WAVJA Patent, 300kW Solar Balls? The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material.
A 60mm ball can generate 300kW in one second!Let’s bust that claim by looking at the Patent in this Part 2 video.Part 1 is here: https://www.youtube.com/watch?v=R4WQhOVlOyA
https://wavja.com/Product video: https://www.youtube.com/watch?v=H-8y8uG6OjwPatent: https://patents.google.com/patent/WO2024044280A1/en?oq=wo2024%2f044280Patent PDF: https://patentimages.storage.googleapis.com/ae/bc/69/1c9d2f0e33e8a7/WO2024044280A1.pdfNew Solar Spheres Claim to be Better than Solar Panels
TIPA Solar Panel Debunked: https://www.youtube.com/watch?v=o1nWAUZVTPwForum: https://www.eevblog.com/forum/blog/eevblog-1633-wavja-photon-energy-system-busted-part-1/
00:00 – WAVJA Photon Energy System on Hack-a-Day
01:18 – The patent: Reflecting light, where have we seen this before?02:47 – It uses NMC?04:03 – This sucker can power an EV05:05 – The patent is just scientific word salad…06:23 – “Stimulation Current” of 40Ah, HUH?07:52 – It’s not Over Unity, but it’s totally Over-Unity08:42 – 300kW Balls!10:06 – 3D Printed using WHAT?11:34 – How is it not an Integrating Sphere? And how does the energy get out?15:58 – 100MW is a very conserative estimate!17:39 – Isn’t patenting over-unity not allowed?18:37 – A 60mm sphere can generate 300kW of electricity in ONE SECOND!19:24 – Tested with a laser power meter? HUH?20:33 – It’s got AI, trust me bro.21:02 – UNLIMITED POWER! and transparent mirrors…23:21 – Where is all this in the demo?24:31 – Why do they have half balls?...more August 02, 2024EEVblog 1633 – WAVJA Solar Balls, 60x Better Than A Solar Panel? – Part 1 The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material.
Let’s examine claim with Dave’s superior Photon Irradiance Solar System technology!This is Part 1.Part 2 looks at the patent.
https://wavja.com/Product video: https://www.youtube.com/watch?v=H-8y8uG6OjwPatent: https://patents.google.com/patent/WO2024044280A1/en?oq=wo2024%2f044280Patent PDF: https://patentimages.storage.googleapis.com/ae/bc/69/1c9d2f0e33e8a7/WO2024044280A1.pdfhttps://hackaday.com/2024/07/06/new-solar-spheres-claim-to-be-better-than-solar-panels/TIPA Solar Panel Debunked: https://www.youtube.com/watch?v=o1nWAUZVTPw00:00 – WAVJA Photon Energy System on Hack-a-Day
01:51 – This looks totally legit, so I BUILT MY OWN! The Photon Irradiance Solar System04:15 – My balls work in near darkness! And produce 5 TIMES the power as WAVJA!05:43 – What’s that you can smell?06:52 – It’s got AI?06:31 – Let’s watch the video and the claims made…07:16 – Does it generate or absorb luminosity? It’s a tad confusing…08:10 – 30 times smaller and 7.5x the output of solar panels!08:57 – Capturing solar power is all about the Capture Area, dummy!09:44 – It captures light and then WHAT?10:43 – It’s Over-Unity BS!11:39 – It’s got storage? 24 hour operation !12:59 – Their test setup and “power meter” results are demonstable BS!16:12 – Roughly 0.1W per ball, SO revolutionary!16:25 – The “charge” just comes from a commercial power bank, LOL! They have NOTHING!16:25 – Only 3000 hours to charge your Electric Truck battery pack17:05 – It gets MORE RIDICULOUS! Flying cars, shipping container drones, electric trucks!18:47 – The Patent & the Founders19:59 – Where does the light go? I’m confused…20:41 – Conclusion21:57 – I’m GIVING AWAY my P.I.S.S Technology!...more
FAQs about EEVblog:
How many episodes does EEVblog have?
The podcast currently has 683 episodes available.
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