EEVblog
384 episodes - English - Latest episode: 17 days ago - ★★★★★ - 79 ratingsNo Script, No Fear, All Opinion
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Episodes
EEVblog #1287 – Gatekeeper Shopping Trolley Lock Investigated
March 10, 2020 02:29 - 25 minutes - 491 MB VideoDave’s local shopping centre just installed shopping trolleys with electronic locking wheels fro ma company called Gatekeeper System, how does it work? Teardown time! Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 FCC website: https://fccid.io/SOX-W9200/ Forum: https://www.eevblog.com/forum/blog/eevblog-1287-gatekeeper-shopping-trolley-lock-investigated/
EEVblog #1285 – How to do Design By Inspection
March 10, 2020 02:26 - 19 minutes - 106 MB VideoWhat is “Design by Inspection” Dave answered what he thought was an obvious forum question, but to beginners it’s not so obvious. Rather than build something up and test, let’s do design by inspection. Subscribe on LBRY: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1285-how-to-do-design-by-inspection/
EEVblog #1286 – Mailbag
February 20, 2020 00:15 - 44 minutes - 1.01 GB VideoMore Mailbag! Subscribe on LBRY: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1286-mailbag/ SPOILERS: BENQ Screenbar Plus monitor desk light: https://amzn.to/37BTXIO 12:27 Circuitmess Ringo DIY Mobile Phone Kit https://www.circuitmess.com/ringo/ 23:14 Essential Electric Circuits book: https://amzn.to/32elSxz 29:45 Chumby teardown! 38:02 SPO256-AL2 Speech Allophone chip 41:47 PCB business card
EEVblog #1284 – How Bad Product Design Kills The Environment
February 12, 2020 06:06 - 29 minutes - 376 MB VideoLet’s save 30 cents/unit and stuff the environment! How can bad and cheap product design kill the environment by requiring vastly more energy generation, delivery and PF correction infrastructure? Dave looks at the shockingly energy wasteful design of mains powered smoke alarms. Subscribe on LBRY: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1284-how-bad-product-design-kills-the-environment/
EEVblog #1283- What is Mains Ripple Injection?
February 10, 2020 04:39 - 25 minutes - 432 MB VideoWhat is Mains Ripple Injection and control? A mystery bunker item teardown turned out to be a very interesting and obscure bit of test kit. Subscribe: http://www.eevblog.tv Forum: https://www.eevblog.com/forum/blog/eevblog-1283-what-is-mains-ripple-injection/
EEVblog #1282 – Design Your Own Membrane Keypad!
February 10, 2020 04:36 - 29 minutes - 389 MB VideoHow to design your own custom membrane keypad and get it manufactured, to make your products look really professional. It’s easier and cheaper than you think! Subscribe: http://www.eevblog.tv Forum: https://www.eevblog.com/forum/blog/eevblog-1282-design-your-own-membrane-keypad/
EEVblog #1281 – Garmin GPS Repair
February 10, 2020 04:33 - 18 minutes - 374 MB VideoForum: https://www.eevblog.com/forum/blog/eevblog-1281-garmin-gps-repair/ Repair of a Garmin GPS unit, with characteristic Dave screw-up and Murphy. https://www.eevblog.tv
EEVblog #1280 – Dumpster Lab PC Upgrade
February 10, 2020 04:30 - 23 minutes - 454 MB VideoDave upgrades the processor in the dumpster Lab recording PC to one from another dumpster PC. It’s dumpsters all the way down… Subscribe on LBRY: https://www.eevblog.tv Forum: https://www.eevblog.com/forum/blog/eevblog-1280-dumpster-lab-pc-upgrade/
EEVblog #1279 – Best Dumpster PC Find Yet!
February 10, 2020 04:27 - 19 minutes - 349 MB VideoThe best dumpster PC find yet! Some software hacking required to defeat Windows 10 security though. Subscribe on LBRY: https://eevblog.tv/ Forum: https://www.eevblog.com/forum/blog/eevblog-1279-best-dumpster-pc-find-yet!/
EEVblog #1277 – Electric Fence Controller Teardown
January 15, 2020 22:28 - 19 minutes - 340 MB VideoRandom Bunker dumpster item teardown. A 20 year old Australian designed and made electric fence controller. Repair guides are here: https://pakton.com.au/support.php Forum: https://www.eevblog.com/forum/blog/eevblog-1277-electric-fence-controller-teardown/
EEVblog #1276 – Solar Roadways Surface TESTED!
January 06, 2020 07:18 - 15 minutes - 260 MB VideoDave got his hands on a piece of the protective covering of the Solaroad in Krommenie in the Netherlands. How much light does it block? Subscribe on LBRY: https://lbry.tv/@eevblog:7 Thanks to Stop Solaroad: https://www.youtube.com/channel/UCRhclm-nzJ1PaE2XmjPcTog https://twitter.com/Stop_Solaroad Forum: https://www.eevblog.com/forum/blog/eevblog-1276-solar-roadways-surface-tested!/
EEVblog #1275 – Uniden UHF Walkie Talkie Teardowns
January 02, 2020 21:44 - 29 minutes - 835 MB VideoHow much has UHF technology progressed in 20 years? A teardown of a 2000 vintage Uniden 500mW UH040 UHF Walkie Talkie to a modern kids 500mW version at half the size and 1/10th the cost! Bonus UH750 5W teardown. Forum: https://www.eevblog.com/forum/blog/eevblog-1275-uniden-uhf-walkie-talkie-teardowns/
EEVblog #1274 – Long Term Alkaline Battery Leakage Testing
December 27, 2019 23:29 - 19 minutes - 394 MB VideoTesting 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/
EEVblog #1273 – EMC Near Field vs Far Field Explained
December 22, 2019 23:26 - 16 minutes - 284 MB VideoAn 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/
EEVblog #1272 – Mailbag
December 22, 2019 23:22 - 58 minutes - 1.37 GB VideoMore 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, a...
EEVblog #1271 – 100kW WindWall Generator BUSTED!
December 11, 2019 23:44 - 29 minutes - 276 MB VideoA 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 and pesky limitation of Betz’s ...
EEVblog #1270 – Electronics Textbook Shootout
December 08, 2019 05:38 - 44 minutes - 584 MB VideoWhat 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 of Electronics: https://amzn.to/2qv2j5pArt of Electronics ...
EEVblog #1269 – Solar Roadways SR4 DATA Hilarity!
December 04, 2019 03:54 - 19 minutes - 130 MB VideoWe 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-sr...
EEVblog #1268 – DIY Boeing 747 Cockpit Simulator Full Tour
December 04, 2019 03:42 - 1 hour - 1.45 GB VideoFull 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/
EEVblog #1267 – How To Control a 747 Flight Simulator
December 01, 2019 23:04 - 25 minutes - 623 MB VideoHow 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/
EEVblog #1266 – PSU Probing Screw Up!
December 01, 2019 23:01 - 17 minutes - 328 MB VideoHow 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/
EEVblog #1265 – $53 360W Lab Bench PSU!
December 01, 2019 22:55 - 38 minutes - 627 MB VideoReview 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!/
EEVblog #1264 – uSupply Software Development Setup
December 01, 2019 22:51 - 58 minutes - 311 MB VideoDave & 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/
EEVblog #1263 – Mailbag
November 28, 2019 05:43 - 52 minutes - 1.31 GB VideoMailbag 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...
EEVblog #1262 – Designing a Flex PCB + uSupply Update
November 28, 2019 05:34 - 55 minutes - 379 MB VideoDesigning 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/
EEVblog #1261 – Dumpster Diving 55″ LCD TV
November 28, 2019 05:31 - 11 minutes - 249 MB VideoAnother LCD TV in the dumpster! And what is Cinavision? Forum: https://www.eevblog.com/forum/blog/eevblog-1261-dumpster-diving-55-lcd-tv/
EEVblog #1260 – $70 100MHz Oscilloscope
November 13, 2019 06:54 - 22 minutes - 632 MB VideoIs 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/
EEVblog #1259 – PCB Manufacturing Options EXPLAINED
November 06, 2019 06:18 - 5 MB VideoWhat are all those PCB manufacturing options in the checkout when you order your board? Dave explains each option one by one, from Aluminium to Z-Axis Milling. Including obscure stuff like Organic Solderability Preservative. Forum: https://www.eevblog.com/forum/blog/eevblog-1259-pcb-manufacturing-options-explained/
EEVblog #1258 – MORE Dumpster Wandel And Goltermann!
November 06, 2019 06:14 - 3.26 GB VideoAnother dumpster Wandel And Goltermann bit of kit torn down. The PMG-3 Transmission Test Set Forum HERE
EEVblog #1257 – MORE! $9 0.02% AIMO Process Calibrator
November 06, 2019 06:12 - 13 minutes - 162 MB VideoChaos at the Shenzhen market, scams, viruses, refunds, bait-n-switch, and dodgy meters – the infamous $9 AIMOmeter AMPX1 0.02% Process Calibrator delivers! What do you want for $9 delivered? Dave scored two more meters, will they work or did he blow his $18? AliExpress Affiliate Buy anything through that link and Dave gets a commission ...
EEVblog #1256 – GORGEOUS Mystery Test Gear Teardown!
October 31, 2019 23:01 - 29 minutes - 818 MB VideoProbably the most gorgeous test gear teardown yet! A master class in modular product design and design for servicing, a mystery retro bit of test gear from the bunker that was found in a dumpster, worth US$45k new in today’s money. Forum HERE
EEVblog #1255 – Apple iPad 5th Gen Screen REPAIR
October 31, 2019 22:59 - 23 minutes - 455 MB VideoDave replaces a cracked 5th gen iPad touch screen. Content rock bottom? But child happy, and one less new iPad that needs to be manufactured. Forum HERE
EEVblog #1254 – Mailbag
October 31, 2019 22:56 - 52 minutes - 1.25 GB VideoMore Mailbag! Forum HERE
EEVblog #1253 – LED Flicker 2: Electric Boogaloo
October 31, 2019 22:50 - 21 minutes - 312 MB VideoPart 2 of the LED Flicker investigation. Modding the driver for input and output capacitance and it’s effect on power factor correction and thermal performance.
EEVblog #1252 – LED Panel Lighting Flicker Investigated
October 11, 2019 07:44 - 19 minutes - 380 MB VideoDave investigates why his new LED panel lights are flickering on camera. Teardown and measurement time. Forum HERE
EEVblog #1251 – LifeSaber Kickstarter – A Master of None FAIL
October 08, 2019 11:51 - 28 minutes - 170 MB VideoThe LifeSaber Kickstarter outdoor survival tool is a classic example of a Jack of all trades, master of none product design. A master class in how not to design a practical product. Yet another wind-up/crank USB charger tool with everything but the kitchen sink. It even has ALIENS! Compare Dave’s survival kit with the LifeSaber ...
EEVblog #1250 – World’s Thinnest Wallet Review – Stealth Razor
October 05, 2019 06:50 - 14 minutes - 427 MB VideoDave got one of these newfangled slim wallets, the Stealth Razor from Airo Collective, a Kickstarter project, the world’s thinnest wallet. Does it actually replace a full traditional leather wallet? How practical is it? Does the RFID protection work?
EEVblog #1249 – How To Read Timing Diagrams
October 02, 2019 23:10 - 36 minutes - 177 MB VideoA tutorial on how to read timing diagrams. An essential skill for designing and understanding digital logic, FPGA and microcontroller designs and datasheets. Forum HERE
EEVblog #1248 – INSANE! A 0.02% Process Meter for $9? WTF!
September 28, 2019 23:26 - 24 minutes - 320 MB VideoDave found this crazy bargain of the century no-name $9 0.02% class multifuction process calibrator on Aliexpress. Is it any good? Actually, it’s an AIMOmeter AMPX1 that sells for over $200 on ebay, so what gives? How can they possibly manufacture and sell a 0.02% class device for under ten bucks? Teardown time. Links to ...
EEVblog #1247 – DDR Memory PCB Propagation Delay & Layout
September 26, 2019 00:54 - 39 minutes - 323 MB VideoWhen does PCB propagation delay matter in PCB layout? Dave goes down the rabbit hole from DIY TTL processor design to DDR memory design and layout. DDR memory termination. What is a timing budget? When is it important? How does signal integrity matter? When do you have to do serpentine PCB traces to match trace ...
EEVblog #1246 – Dumpster TV to Retro RGB Monitor Conversion
September 16, 2019 07:33 - 29 minutes - 484 MB VideoHow to convert a dumpster Sony CRT TV into a retro computer RGB monitor. Going through the design considerations, schematics, datasheets and the “jungle chip” and how to feed in the RGB signal and switch it. Also a look at the the old school CGA video interface on an IBM PCjr and how to convert ...
EEVblog #1245 – A Most Excellent REPAIR: IBM PCjr Keyboard
September 16, 2019 07:30 - 28 minutes - 592 MB VideoCan you find the fault in the IBM PCjr wireless keyboard before Dave does? A most excellent adventure in troubleshooting. Forum HERE
EEVblog #1244 – Mailbag
September 16, 2019 07:27 - 49 minutes - 971 MB VideoMore Mailbag! Forum HERE SPOILERS: Mailbag SPAM! Arizona If it smells like chicken, you’re holding it wrong. 2:57 https://www.tympan.org Open source hardware audio hearing development system. 11:20 Circuit Scribe conductive ink learning kit https://www.circuitscribe.com/ 24:20 Sony RM-440 video editing unit teardown 30:42 Pulse Sensor https://www.pulsesensor.com 31:36 DIY Mouse Kit https://github.com/biomurph/Mouse 32:26 DIY OpenHak open source ...
EEVblog #1243 – Sony Boombox REPAIR and Teardown
September 16, 2019 07:25 - 28 minutes - 583 MB VideoRepair and teardown of a Sony CFD-V10 portable stereo boombox Service manual Forum HERE
EEVblog #1242 – Memory LCD+Supercaps+Low Power Design
September 16, 2019 07:23 - 27 minutes - 145 MB VideoPart 2 of the power-up counter project, investigating the Sharp Memory LCD & custom LCD’s + microcontroller (MSP430 + ST ARM + Microchip) low power design with supercaps, SMD ceramic batteries, and coin cells. Forum HERE
EEVblog #1241 – Power Up Display Counter Project – Part 1
September 16, 2019 07:20 - 36 minutes - 191 MB VideoLooking for a segmented e-ink / e-paper display solution for a power up display counter module project. Forum HERE
EEVblog #1240 – Tandy In The 1980’s
September 16, 2019 07:18 - 19 minutes - 687 MB VideoGo back in time to 1980 and a look at what consumer electronics and parts were available from Tandy in the UK. 1980’s Tandy Voice Recognition Chip: https://www.youtube.com/watch?v=kFth9K_IvwA Dick Smith’s new channel: https://www.youtube.com/watch?v=80seR-2BPyk Forum HERE
EEVblog #1239 – Mailbag
September 16, 2019 07:15 - 37 minutes - 830 MB VideoMore Mailbag! Forum HERE SPOILERS: Dodgy Plugpack Teardown & Discussion 9:40 eSATA cage thingo teardown 11:47 Ford Car Stereo teardown 18:34 Back To The Future Delorean Time Circuits https://www.marmosetelectronics.com/time-circuits-clock/time-circuits-clock-the-control-board/ 23:39 E-con Systems USB3 Camera Module: https://www.e-consystems.com/usb-cameras/full-hd-low-light-usb-camera-with-stereo-mic.asp
EEVblog #1238 – Vion: The World’s Worst Multimeter!
August 18, 2019 06:22 - 39 minutes - 621 MB VideoYou think a $2 multimeter is bad? A review of the Kickstarter & Indiegogo Vion bluetooth multimeter that promised the world. Grab your popcorn for a master class in idiotic product design. The world’s worst multimeter. The original thread Forum HERE
EEVblog #1237 – Old School Teardown: HP3785A Jitter Analyser
August 18, 2019 06:19 - 23 minutes - 618 MB VideoOld school, they don’t make’em like this any more. Teardown of the HP 3785A Jitter Generator & Receiver with beautiful HP bubble LED displays. Forum HERE