Dave’s long term LCD DC bias experiment has turned a regular 7 segment LCD effectively into an E-Ink/E-Paper display! Microchip LCD App Note: http://ww1.microchip.com/downloads/en/AppNotes/AN658-LCD-Fundamentals-and-the-LCD-Driver-Module-of-8-Bit-PIC-MCUs-00000658C.pdf Datasheet: https://www.lumex.com/spec/LCD-S101D14TR.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1297-turn-an-lcd-into-e-paper!/ Podcast: Download
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A revisit of the Alkaline battery leakage testing. Library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1296-alkaline-battery-leakage-testing-2-electric-boogaloo/ Podcast: Download
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What makes a good lab HEPA air filter and purifier? Forum: https://www.eevblog.com/forum/blog/eevblog-1295-what-makes-a-good-lab-hepa-air-filter/ Podcast: Download
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A brief look at how LLC resonant mode converters work and their advantages. A spin-off from the Rohde & Schwarz NGP800 power supply video. Application note: https://www.infineon.com/dgdl/Application_Note_Resonant+LLC+Converter+Operation+and+Design_Infineon.pdf?fileId=db3a30433a047ba0013a4a60e3be64a1 Podcast: Download
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A look at the new Rohde and Schwarz NGP800 800W system power supply. Teardown and a brief play around. Subscribe on library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1293-new-ngp800-800w-power-supply/ Podcast: Download
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Multimeter destruction and high speed camera time! Follow up to the dumpster electric fence controller. The designer and CEO of Pakton Technologies Paul Thompson sent in a new one for us to play with! https://www.jva-fence.com.au/ Listen to the podcast: https://theamphour.com/481-an-interview-with-paul-thompson/ Forum: https://www.eevblog.com/forum/blog/eevblog-1292-jva-electric-fence-controller-teardown/ Podcast: Download
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More Mailbag! SPOILERS: WTF: A soldering iron mouse controller? 10:05 Snapton Designers Guide: https://www.snaptron.com/free-samples/designers-guide/ Snapton Dome Kit: https://www.snaptron.com/free-samples/ 20:18 Open Source LED Snowflake: https://luckyresistor.me/ https://shop.pimoroni.com/products/snowflake 27:20 The world’s worst user interface oscilloscope? And it’s a Tektronix? The Tektronix T201/T202 oscilloscope. Createc SC01 Signal Computer 39:00 I2C USB Driver: https://i2cdriver.com/ 49:19 …
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The Hapbee has raised half a million dollars on Indiegogo, it’s magic woo woo that can make you feel different things from weak arse magnetic fields. Let’s go down the rabbit hole of who’s behind this and why… Oh, and let’s cure cancer too! Subscribe on LBRY: https://lbry.tv/$/invite/@eevblog:7 The Signal …
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Mystery Mailbag Teardown! Huawei make WHAT? Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1289-mystery-huawei-teardown/ Podcast: Download
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Is a brand new Synology DS415+ NAS in the dumpster too good to be true? A tale of teardowns, repair, Intel Atom processor silicon degradation, and dodgy clocks. Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 https://www.anandtech.com/show/11110/semi-critical-intel-atom-c2000-flaw-discovered Forum: https://www.eevblog.com/forum/blog/eevblog-1288-synology-nas-dumpster-find!/ Podcast: Download
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Dave’s local shopping centre just installed shopping trolleys with electronic locking wheels fro ma company called Gatekeeper System, how does it work? Teardown time! Subscribe on Library: https://lbry.tv/$/invite/@eevblog:7 FCC website: https://fccid.io/SOX-W9200/ Forum: https://www.eevblog.com/forum/blog/eevblog-1287-gatekeeper-shopping-trolley-lock-investigated/ Podcast: Download
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What 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/$/invite/@eevblog:7 Forum: https://www.eevblog.com/forum/blog/eevblog-1285-how-to-do-design-by-inspection/ Podcast: Download
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More Mailbag! Subscribe on LBRY: https://lbry.tv/$/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 Podcast: Download
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Let’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/ Podcast: Download
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WARNING! to all companies out there to be aware of people impersonating big influential Youtubers in order to elicit confidential company information. Subscribe on LBRY: http://www.eevblog.tv Forum: https://www.eevblog.com/forum/chat/eevblog-impersonation-scam!/
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EEVblog No Script, No Fear, All Opinion
