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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 it’s knees as...

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...

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...

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.c...

More Dumpster Diving. What did we score today? Forum: https://www.eevblog.com/forum/blog/eevblog-1742-today-in-the-dumpster-room/

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 Civili...

Looking at a dumpster diving Dell laptop HAUL! with Sagan! Forum: https://www.eevblog.com/forum/blog/eevblog-1740-dumpster-diving-dell-laptop-haul!/

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-17...

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...

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....

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...

Nobody truly understands the complexity of modern supply chains for the technology we take for granted. How the AI supply chain works, from ChatGPT to sugercane https://aisupplychain.vercel.app/ https://x.com/chiefofautism Forum: https://www.eevblog.com/forum/blog/eevblab-138-you...

How to measure DC power rail high bandwidth waveforms with the offset control on your oscilloscope. Active Probes, Passive Probes, Z0 probes, and specific DC Power Rail Probes are compared. 00:00 – How to measure power rails with Active Probes and Power Rail probes 08:03 – Signal...