EEVblog No Script, No Fear, All Opinion

Dave breaths life into the old Compaq Portable from 1984. Forum: https://www.eevblog.com/forum/blog/eevblog-1354-compaq-portable-repair-part-1/ Podcast: Download

Eagle eyed viewers spotted a short between two pins on a TQFP chip in the previous teardown video. This isn’t a dodgy assembly issue, it’s a deliberate design short, Dave explains how and why. Solder masks and snap grids. Forum: https://www.eevblog.com/forum/blog/eevblog-1353-why-are-these-pins-shorted/ Podcast: Download

Teardown of a Made in Australia MicroAir T2000 aircraft transponder. http://microair.com.au/products/26/T2000SFL-Transponder-Rev8- Forum: https://www.eevblog.com/forum/blog/eevblog-1352-aircraft-transponder-teardown!/ Podcast: Download

Mailbag time! Forum: https://www.eevblog.com/forum/blog/eevblog-1351-mailbag/ Mailbag bench images to: eevblog+mailbag@gmail.com SPOILERS: 00:00 – GPS Tracker Battery Leak 06:47 – Guest RF Lab – Chuck Kummer W7CLK 09:46 – Marklin HO scale railway turnout point 19:29 – GVDA GD118B Pocket Multimeter review https://s.click.aliexpress.com/e/_Ab3RNe 39:10 – GVDA GD116A AC Voltage Detection Stick review …

Were the Made in USA Energizer Max Plus AAA batteries in the previous leaking battery video FAKE? Dave found an identical genuine one and inspects and tears them down. Forum: https://www.eevblog.com/forum/blog/eevblog-1350-fake-energizer-batteries/msg3340976/#msg3340976 Podcast: Download

Dave caught a rare sight, an alkaline battery leakage in the potassium hydroxide liquid form before it had time to crystalise. This time in a Made in USA Energizer Max Plus AAA alkaline battery. Forum: https://www.eevblog.com/forum/blog/eevblog-1349-energizer-battery-leakage-made-in-usa/ Podcast: Download

A look at and teardown of the world’s first IBM PC compatible PC, the Compaq Portable. Also some meter and oscilloscope part 1 repair action… Forum: https://www.eevblog.com/forum/blog/eevblog-1348-worlds-first-ibm-compatible-pc-the-compaq-portable/ Podcast: Download

New SMD Thermal Jumper parts could radically change your PCB thermal designs! https://www.vishay.com/docs/60157/thjp.pdf https://atceramics.com/userFiles/uploads/pdfs/Q-BRIDGE.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1347-smd-thermal-jumpers-could-be-game-changing!/ This is a follow-on from the original SMD Thermal Design video: https://www.youtube.com/watch?v=2ygnAv6koSQ Podcast: Download

Dave tears down and investigates a Dell infrared IR optical touch screen monitor found in the dumpster. Infrared touch screen are not often used in consumer computer monitor applications compared to resistive and capacitive touch screen technologies. Forum: https://www.eevblog.com/forum/blog/eevblog-1346-how-an-infrared-optical-touch-screen-works/ Podcast: Download

Dave fixes a thermal issue with his old video editing laptop, a HP Pavilion dv7 Forum: https://www.eevblog.com/forum/blog/eevblog-1345-hp-dv7-laptop-repair/ Podcast: Download

Custom storage shelves for under the bench in the new lab. Using an online flat pack custom shelving and storage ordering system, and assembly. Forum: https://www.eevblog.com/forum/blog/eevblog-1344-custom-lab-storage-shelves/ Podcast: Download

An update from EEVblog #50 (yes, #50!) The CREE XPG LED’s on the deck finally died and Dave needs a replacement, so time to hack some existing T8 LED tube lights. Forum: https://www.eevblog.com/forum/blog/eevblog-1343-dead-deck-cree-leds/ Podcast: Download

What’s left of the rented and now abandoned EEVblog Lab And why you may not see videos for a couple of weeks. Exclusive video on the lab move options: https://odysee.com/@eevblog:7/What’s-old-is-new-again.-The-Lab:4 More on the lab move: https://odysee.com/@eevblog:7/Update-28-3-2020-280×720:3

Two Japanese guys have been working for 30 years on a “Gavitational Power Generator” over-unity machine that produces 30-100 times the input energy. The Japanese Patent office disagrees in an hilarious Kickstarter own-goal! https://www.kickstarter.com/projects/sunteljp/the-gravitational-power-generator-eco-turbine/description Forum: https://www.eevblog.com/forum/eevblab/eevblab-82-kickstarter-over-unity-gravitational-power-generator!/

Symmetrical Dumpster PC Stacking, just like the Norwest mass turbulence of 1984. Dave’s been dumpster diving again for small form factor PC’s. Forum: https://www.eevblog.com/forum/blog/eevblog-1342-symmetrical-dumpster-pc-stacking/ Podcast: Download