Review of the Werewolf VFLEX USB-C power supply cable system. https://werewolf.us/collections/werewolf-products/products/vflex-3-pack-starter-kit Forum: https://www.eevblog.com/forum/blog/eevblog-1749-werewolf-vflex-usb-c-power-supply-adapters/ Podcast: Download
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The dumpster really delivered today, with no less than FOUR 4K Retina display iMac’s! Plus a Nikon DSLR camera! Forum: https://www.eevblog.com/forum/blog/eevblog-1748-dumpster-imac-bonanza/ Podcast: Download
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Demonstrating the difference between Schottky diodes and PN junction silicon diodes, and how your multimeter can influence your measurement when troubleshooting. Answering an interesting Twitter question. https://x.com/blind_via/status/2052223991839170919 https://www.tti.com/content/ttiinc/en/resources/blog/infographics/schottky-diodes.html https://engineering.purdue.edu/~ee606/downloads/ECE606_f12_Lecture17.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1746-schottky-vs-pn-diodes-measurement-traps/ 00:00 – Twitter question 01:21 – Recreating the problem 03:08 – Why doesn’t it read zero volts? Let’s try …
Read More »A tribute to the 555 timer and Hans Caminzind, which turns 55 years old this year. Released on May the 5th, International 555 Timer Day at 5:55pm with a length of 5:55 And Dave demonstrates blowing out the birthday candle with his 555 Killer One Shot circuit. Use coupon code …
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Walk time rant. The NBN Internet in the Norwest Business Park has been down for 6 days now since April 24th, and was supposed to be fixed today. But the latest update is now 8th May! This impacts thousands of businesses in the business park, and Telstra mobile is on …
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Testing the loudness of a new version of the BM2257 multimeter firmware using the CRY2851 Class 1 sound level meter. https://www.crysound.com/product/cry2851-sound-level-meter/ COUPON CODE: LOUD for 10% off the BM2257 Hardware Store: https://eevblog.store/ 00:00 – BM2257 Firmware changes 01:58 – Crysound CRY2851 Class 1 Sound Level Analyser 06:26 – Lab baseline …
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The DP700 is Micsig’s third suck of the sav on a high voltage differential probe. Not to be confused with the MDP700 which this replaces. https://www.micsig.com/DPA/ 00:00 – Comparison to the DP10007 and MDP700 03:58 – Unboxing of the DP700 05:52 – CMRR measurement hardware setup 09:52 – Sanity check …
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Dave shows you how to use your oscilloscope probe to detect mechanical vibrational modes on your PCB. And shows off the Crysound Acoustic Imaging Camera! https://www.kickstarter.com/projects/pocket-acoustic-cam/crysound-pocket-acoustic-imaging-camera/ Forum: https://www.eevblog.com/forum/blog/eevblog-1743-mechanical-vibration-detection-with-your-oscilloscope-probe/ Podcast: Download
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More Dumpster Diving. What did we score today? Forum: https://www.eevblog.com/forum/blog/eevblog-1742-today-in-the-dumpster-room/ Podcast: Download
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More amazing Mailbag! 00:00 – BOOK Professional Electronic Design Best Practices, Volume II 06:01 – A Crusty Nautalytics Simple Compass 11:46 – DPS DIN Power Supply Modules https://digitalpowersystems.eu/hdr20/ USB-AC-PD 20:22 – The Book: The Ultimate Guide to Rebuilding a Civilization Forum: https://www.eevblog.com/forum/blog/eevblog-1741-mailbag/ Podcast: Download
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Looking at a dumpster diving Dell laptop HAUL! with Sagan! Forum: https://www.eevblog.com/forum/blog/eevblog-1740-dumpster-diving-dell-laptop-haul!/ Podcast: Download
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The Beelink EQR6 Ryzen 9 Mini PC mysteriously failed after an upgrade, why? 00:00 – This Beelink EQR6 failed just after an upgrade, WHY? 02:28 – Is is the flat flexes? 04:45 – Woah, what’s THIS? 07:17 – Nooooooooo! It can’t be… Forum: https://www.eevblog.com/forum/blog/eevblog-1739-unusual-fault-in-a-beelink-ryzen-9-mini-pc/ Podcast: Download
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Everyone’s favorite Solar Roadway, the OG Solar Freakin’ Roadways is still going strong with NEW EQUITY FUNDING! WeFunder: https://wefunder.com/solar.roadways.incorporated StartEngine: https://www.startengine.com/offering/solar-roadways US Army contract: https://www.highergov.com/contract/W5170122C0119/ Forum: https://www.eevblog.com/forum/blog/eevblog-1738-solar-freakin-roadways-new-funding!/ Podcast: Download
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A chat with Alex Lidow, the inventor of the original Power MOSFET and HEXFET at International Rectifier. Former CEO of International Rectifier (founded by his father!), and now Founder & CEO of EPC (Efficient Power Conversion) that make the most efficient GaN FET’s on the market. https://epc-co.com We cover everything …
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What are the TOP 5 Jellybean MOSFET’s? 00:00 – MOSFET vs BJT 02:21 – What is a Jellybean? 04:14 – 2N7002 N-Channel wimpy generic 13:10 – BSS84 P-Channel wimpy generic 14:47 – AO3400 N-Channel SOT-23 21:30 – Continuous Current vs Pulse Current Rating and SOA Graph 24:15 – AO3401 P-Channel …
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