Testing 7 different brands of AA Alkaline batteries in two different configurations over 10 months to see if they leak. Duracell, Energizer, Varta, Panasonic, Fujitsu, HVP70 High Voltage Probe: https://www.eevblog.com/product/hvp70/ Subscribe on LBRY: https://lbry.tv/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1274-long-term-alkaline-battery-leakage-testing/ Podcast: Download
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An explanation of near-field vs far-field in relation to EMC compliance testing. H-field magnetic probes vs e-field electric probes. Explanation extraction from video #1176 Wideband EMC log-periodic antenna: http://s.click.aliexpress.com/e/DQeIdwZ6 Near field probes: http://s.click.aliexpress.com/e/N5wdxeFQ Subscribe on LBRY: https://lbry.tv/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1273-emc-near-field-vs-far-field-explained/ Podcast: Download
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More Mailbag! Subscribe to Dave on LBRY: https://lbry.tv/@eevblog:7 SPOILERS: Vintage Tek Scopes Group https://groups.io/g/TekScopes 2:57 8 Cent Touch Sensor Chip TTP223 from TonTek: https://lcsc.com/products/Touch-Screen-Controller-ICs_902.html?q=ttp223 http://www.tontek.com.tw/product/product2?lang=en&idx=42 9:08 DefPom’s new open source BOM tool MyPartsBin: https://mypartsbin.com/ https://www.youtube.com/user/TheDefpom Casio FX-730P Calculator 11:49 FREE Multimeters went to a good cause, and Amazon Returns 14:07 …
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A 100kW wind generator in only 7sqm? Less than 2% the size of traditional wind turbines! Basic physics and the whiteboard to the rescue! A look at the claims of the AmericanWind WindWall “turbine” wind power generator. http://americanwindinc.com/our-products-3/advanced-windwall/ And a Wind Power 101 tutorial on how wind turbine calculations work …
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What is the best electronics textbook? A look at four very similar electronics device level texbooks: Conclusion is at 40:35 Electronic Devices by Floyd: https://amzn.to/2s4BSnK Electronic Principles by Malvino & Bates: https://amzn.to/2DX88f3 Microelectronic Circuits by Sedra & Smith: https://amzn.to/2s5nBXX Electronic Devices and Circuit Theory by Boylestad: https://amzn.to/33TF2rC Also: The Art …
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We have data from the new Solar Roadways SR4 installation, and it ain’t pretty! A comparison with a nearby installation of existing rooftop solar, and how much energy does it take to melt snow? Data from SR4: https://monitoringpublic.solaredge.com/solaredge-web/p/kiosk?guid=1e085701-ccb3-4ce5-b107-86e3b5e831dd&locale=en_US Article: https://www.bonnercountydailybee.com/local_news/20191130/solar_roadways_unveils_new_panels Forum: https://www.eevblog.com/forum/blog/eevblog-1269-solar-roadways-sr4-data-hilarity!/ Podcast: Download
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Full tour around, under, and inside the world’s most expensive DIY Boeing 747-400 full motion flight simulator under construction. With Rod Redwin from Simulator Solutions:https://simulatorsolutions.com.au/ Forum: https://www.eevblog.com/forum/blog/eevblog-1268-diy-boeing-747-cockpit-simulator-full-tour/ Podcast: Download
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How do you control the thousands of switches, sensors, actuators, bulbs and ARINC 429 bus devices in the world’s most expensive 747 flight simulator? Rod Redwin from Simulator Solutions explains the design on the I/O solution for such a mammoth task. https://simulatorsolutions.com.au/ Forum: https://www.eevblog.com/forum/blog/eevblog-1267-how-to-control-a-747-flight-simulator/ Podcast: Download
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How to measure switching noise on a power supply properly, because Dave completely goofed it in the Riden RD6006 PSU review video. http://s.click.aliexpress.com/e/DlHrJpFS All about coaxial cable impedance matching and compensation. Mysteries of x1 Oscilloscope Probes Revealed: LBRY: https://lbry.tv/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1266-psu-probing-screw-up/ Podcast: Download
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Review of the $53 Riden (RD Tech / Rui Deng) RD6006 360W bench lab power supply module with WiFi connection. UPDATE: I goofed the noise measurement, see pinned comment below, and this follow-up video: http://s.click.aliexpress.com/e/DlHrJpFS Just the case is useful for projects! http://s.click.aliexpress.com/e/nQ5Pk9ck Forum: https://www.eevblog.com/forum/blog/eevblog-1265-$53-360w-lab-bench-psu!/ Podcast: Download
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Dave & David installing the software required for the uSupply development. Yep, one whole hour of installing software, for all you software installation aficionados. Microsoft Visual Studio Code, cMake, Ninja, OpenOCD, and ST ARM programmers. Doxygen and how to do automatically documenting code. Forum: https://www.eevblog.com/forum/blog/eevblog-1264-usupply-software-development-setup/ Podcast: Download
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Mailbag time! SPOILERS: Automated Factory robot laser scanner teardown Siemens & Schneider Electric safety timer switch teardowns. 18:54 HTC Vive VR Base Station Teardown 30:29 iFixit stuff! iFixit Manta Driver Kit: https://amzn.to/2Qz8aBj iFixit Pro Tech Toolkit: https://amzn.to/2Xt6Gu1 37:35 40W 180V Nixie tube driver: https://www.tindie.com/products/nexus/40-watt-high-voltage-nixie-power-supply/ https://neonkev.com/2019/10/15/success-201-boost-at-40-watts-without-a-transformer/ 45:07 Hadou-CAN USB CAN adapter: …
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Designing a flexible PCB adapter board for the uSupply project. Discussion of rigid flex PCB design, layout, and manufacturing. Plus a rant on ST Micro parts and USB Power Delivery. PCBway Flexible PCB quote: https://bit.ly/2Xmphrs Forum: https://www.eevblog.com/forum/blog/eevblog-1262-designing-a-flex-pcb-usupply-update/ Podcast: Download
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Another LCD TV in the dumpster! And what is Cinavision? Forum: https://www.eevblog.com/forum/blog/eevblog-1261-dumpster-diving-55-lcd-tv/ Podcast: Download
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Is this FNIRSI-5012H 100MHz bandwidth 500MS/s Handheld pocket oscilloscope any good? Review + Teardown Reverse Engineering forum thread Forum: https://www.eevblog.com/forum/blog/eevblog-1260-$70-100mhz-oscilloscope/ Podcast: Download
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