EEVblog on Odysee

Get paid $175/hr to train AI how to use Altium Designer so it can replace your own job as a PCB designer! https://jobs.micro1.ai/post/cca1a8fa-3a37-4485-91f0-99d1fe2b95bchttps://openai.com/index/gpt-6-astra/Forum: https://www.eevblog.com/forum/blog/eevblog-1776-$175hr-to-teach-ai-how-to-automate-altium-pcb-design/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=dgVYNaHekgs

More Mailbag!00:00 - DrPD UBC-C Open Source PD Protocol Analyserhttps://www.crowdsupply.com/t76-org/dr-pdhttps://t76.org/drpd/docs/https://github.com/T76-org/drpd/tree/main24:34 - Sabrent USB-C and USB-A 8 power 252W Chargerhttps://link.amazon/B03E4bswK35:03 - The Audio Circuits Cookbook: Building Blocks and Tools to Design Professional Audio Deviceshttps://link.amazon/B0auUWq4fForum: https://www.eevblog.com/forum/blog/eevblog-1775-mailbag/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=VbFjMu_Jgjs

Part 2 of the PayPal Here teardown, because everyone wanted to know what was under the anti-tamper security mesh, so lets take a look.Part 1: https://www.youtube.com/watch?v=HUgZE3YvL7YDatasheet: https://www.nxp.com/docs/en/data-sheet/IMX25CEC.pdf00:00 - We return to the PayPal Here POS terminal teardown04:11 - They want to stop Skimming hacks, it's not just the keys07:39 - Removing the keypad security mesh + a SURPRISE!11:31 - On-die physical security12:09 - Removing the card reader security anti-tamper mesh13:36 - Speculating on hacking this POS terminalForum: https://www.eevblog.com/forum/blog/eevblog-1773-paypal-here-pos-terminal-teardown/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Teardown #Security...https://www.youtube.com/watch?v=yIfPa2urS8A

Teardown of the now obsoleted PayPal Here POS Payment terminal.00:00 - PayPal Here POS payment terminal03:56 - Teardown05:10 - Case security clips06:31 - Battery08:02 - Security tamper mesh10:43 - POS Terminal companies and my job at KeyCorp12:14 - Bye Bye secure keys14:24 - Battery removal 16:29 - i.MX258 Secure ARM processorLinks: https://www.nxp.com/docs/en/data-sheet/IMX25CEC.pdfhttps://listings.pcisecuritystandards.org/documents/pci_pts_poi_sr.pdfForum: https://www.eevblog.com/forum/blog/eevblog-1773-paypal-here-pos-terminal-teardown/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=HUgZE3YvL7Y

A follow-up to the previous video showing the complex AC impedance answer to the OpAmp exam question.Part 1: https://www.youtube.com/watch?v=nDEGqme5Z4ghttps://www.eevblog.com/forum/beginners/how-to-analyze-the-opamp-circuit/OpAmp playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1LfWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #opamp...https://www.youtube.com/watch?v=33rS0oLULqw

Today in the DumpsterWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #dumpsterdiving...https://www.youtube.com/watch?v=UchBY_L1CdE

Dave answers an exam question on OpAmps that's interestingly tricky. Bonus opamp tutorial on biasing.Part 2: https://www.youtube.com/watch?v=33rS0oLULqwhttps://www.eevblog.com/forum/beginners/how-to-analyze-the-opamp-circuit/OpAmp playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf00:00 - A tricky exam question01:45 - What's missing?03:11 - The two most important Opamp rules04:44 - THINK about what sort of exam you are in BEFORE answering the question07:04 - Capacitive reactance "AC resistance"08:53 - They want you to use frequency, but also IGNORE it? How does that work?10:21 - When it doubt, assume a short circuit10:59 - Solving the first part of the question12:20 - The 2nd rule of AC circuit analysis13:33 - Solving the second part of the question, what is the AC gain?15:29 - There is no need to muck around, move on to the next question15:58 - Let's talk about Opamp Biasing22:59 - Single pole high pass filter23:31 - Ripple removal filter26:24 - Conclusion, why is this question is clever?Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #OpAmp...https://www.youtube.com/watch?v=nDEGqme5Z4g

Teardown and reverse engineering of the new Rigol RSA800 series Real Time Spectrum Analyser, from 4.5GHz to 13GHz.4.5GHz RSA804 8.5GHz RSA808 14GHz RSA814 https://www.rigolna.com/products/spectrum-analyzers/rsa800/00:00 - Rigol's new RSA800 Real Time Spectrum Analyser06:48 - Teardown11:42 - RF front end box teardown. Mad Man Muntz14:55 - Back side of the RF block16:50 - Reverse Engineering with DaveCAD22:05 - Attenuator & Preamplifier23:41 - Interesting split into separate HF and LF mixers25:47 - Preselect filters27:33 - Flux residue!28:23 - HF and LF Mixers and 1st stage PLL30:58 - Downconversion mixing explained32:48 - 2nd Stage Active IF Mixer, now we are getting serious36:01 - Final 3rd stage active mixer36:57 - Dave is WRONG, but why you might want two ADC's vs one39:20 - No Dave, it's a DAC40:25 - Speculating on the custom ADC used, and digital quadrature sampling41:49 - Mystery LTC part, and what on earth is going on here with these PCB couplers?44:32 - Teardown Conclusion45:51 - Demo comparison of a DSA815 and RSA808, Real Time vs Swept AnalysisForum: https://www.eevblog.com/forum/testgear/new-rigol-rsa800-spectrum-analyser/Datasheets:SIS378 Switch: https://www.sicoresemi.com/ueditor/php/upload/file/20250818/1755497980219246.pdfSIAT116 Attenuator: https://www.sicoresemi.com/ueditor/php/upload/file/20260427/1777277733715489.pdfLF Mixer : https://www.sicoresemi.com/ueditor/php/upload/file/20250923/1758612877124723.pdfSIM445 HF Mixer: https://www.sicoresemi.com/ueditor/php/upload/file/20260709/1783577453983448.pdfSIA070 Amplifier: https://www.sicoresemi.com/ueditor/php/upload/file/20260509/1778310579506957.pdfSIS119 Absorptive Switch: https://www.sicoresemi.com/ueditor/php/upload/file/20250324/1742806808125089.pdfSIP052 Phase Converter: https://www.sicoresemi.com/ueditor/php/upload/file/20240627/1719477861130248.pdfSIA332 Amplifier: https://www.sicoresemi.com/ueditor/php/upload/file/20240924/1727159790115927.pdfLMX2820 PLL: https://www.ti.com/lit/ds/symlink/lmx2820.pdfLTC5577 Active Mixer: https://www.analog.com/media/en/technical-documentation/data-sheets/5577f.pdfWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Rigol #spectrumanalyzer...https://www.youtube.com/watch?v=oci89u-sL0s

Can you repair a PSU by REMOVING a component? Well, in this case, yeah, kinda.Not recommended for new designs, but it works because the design margins allowed it.00:00 - My NerdQaxe++ Bitcoin miner has failed. Guru Meditation!02:13 - Bitmain 1370 chipset thermal paste03:54 - The flipchip die under the microscope04:48 - Thermal paste application triggering06:55 - Time for a new strategy R2. The Vreg temp sensor is now the suspect07:53 - A look at the open source hardware schematic in KiCADhttps://github.com/shufps/qaxe09:42 - The TPS53647 4 Phase ASIC Buck PSU controllerhttps://www.ti.com/lit/ds/symlink/tps53647.pdf10:23 - The CSD95472Q5MC Synchronous Buck NexFET Smart Power Stagehttps://www.ti.com/lit/ds/symlink/csd95472q5mc.pdf11:50 - We can try wacking a heatsink on + Jaycar field trip12:41 - Did that fix it?14:10 - It's becoming obvious what the fault is now16:24 - Thermal camera testing16:56 - Oscilloscope time on the 3 phase PSU18:21 - Desoldering time, maybe19:42 - Will removing this component work?23:52 - AutoBalance multi-phase buck conversion for the winForum: https://www.eevblog.com/forum/blog/eevblog-1769-repair-by-removing-a-component/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair...https://www.youtube.com/watch?v=lcsXd_0qCuo

The CORRECT Way to Compare Battery Bank Capacity. Input referred vs output referred battery capacity explained. And Watt Hours vs Milliamp HoursIf you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOr with crypto:BTC: 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASMETH: 0x68114e40ff4dcdd384750500501e20acf3875f8cBCH: 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4USDC: 0x68114e40ff4dcdd384750500501e20acf3875f8cLTC: MJfK57ujxy55su4XicVGQc9wcEJf6mAoXFWeb Site: http://www.eevblog.comStore: https://eevblog.store/Other channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscoverT-Shirts: http://teespring.com/stores/eevblog#ElectronicsCreators #Shorts...https://www.youtube.com/watch?v=2-wgZjUjqUw

More Mailbag!00:00 - Dave & Dylan open random Mailbag03:49 - DIY bodged laser engraver04:14 - MPPT Solar charge controller04:56 - Mixed bags06:01 - DLP Projector Mirror Arrays08:05 - TDA2030A Power Amp08:39 - Analog/Digital combo watch12:23 - Solar Panels13:52 - Engineering Spelling + 34401A VFD Replacementhttps://hubequip.net/products/hp-agilent-34401a-vfd-to-led-display-replacement-led-conversion17:58 - Treedix USB Cable Testerhttps://treedix.com/24:33 - Zoyi ZT-XC1 Combo LCR & Multimeterhttps://zotektools.com/?list_22/137.htmlForum: https://www.eevblog.com/forum/blog/eevblog-1768-mailbag/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #mailbag...https://www.youtube.com/watch?v=B30W9j2LsIY

Teardown and detailed analysis of the Harogic PXN-90 9GHz Spectrum Analyser.https://www.harogic.com/product/harogic-px-series-standard-spectrum-analyzer-receiver/Forum: https://www.eevblog.com/forum/blog/eevblog-1767-harogic-pxn-90-9ghz-spectrum-analyser-teardown/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Harogic...https://www.youtube.com/watch?v=tyB31vEj43c

Youtube have just completely changed what constitutes a "view" !https://support.google.com/youtube/thread/433409976Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #youtube...https://www.youtube.com/watch?v=PuQbaWpShHI

All the EEVblog videos are now available on Spotify thanks to Dylan vibe coding a bulk upload engine with Claude AI. No API? No problem!https://open.spotify.com/show/2LsuS1kDu8jbE3GsOxDQrkWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Spotify #Claude...https://www.youtube.com/watch?v=nNTaLhJzw14

Dave's Rod PodMic USB failed, so might as well do a quick teardown before returning it under warranty.Failure sound test video: https://www.youtube.com/watch?v=fUll85g8weEForum: https://www.eevblog.com/forum/blog/rode-podmic-usbs-are-failing!/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Rode #Microphone...https://www.youtube.com/watch?v=OrWwzY8DNb8

Using an Waveshare ESP32 RS485 module on the Brink Flair 400 home air ventilation system to email alert if the inlet pressure goes about 400 pascals. And using Claude AI to generate the Arduino code required.00:00 - Brink Flair 400 ventilation system02:04 - Waveshare ESP32-S3-RS485-CAN module06:32 - Using Claude to generate Arduino code17:04 - Pirate Mode Activated24:21 - Installation and testingWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #project #ESP32...https://www.youtube.com/watch?v=kHu2xe9iCIc

The Best Computer Product Design EVER! The Psion 5 sub-notebook from 1997Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=yjdzqqzkdVc

I guess I have 1 million subscribers now.Forum: https://www.eevblog.com/forum/blog/eevblog-1764-can-i-retire-now/Nixie design series: https://www.youtube.com/playlist?list=PLvOlSehNtuHutdg1kZkG7aAYhjoJnk2fcWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Youtube #goldplaybutton...https://www.youtube.com/watch?v=Uyxl0KZysRA

Engineers HATE bad UI DesignThe speed camera warning system in the Hyundai IONIQ sucks.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#Shorts #Hyundai #Engineering...https://www.youtube.com/watch?v=EViCFvh8fmc

Meet DylanWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=QatCeNYQQA8

What lurks inside Dave's decade old Logitech keyboard? Gross-out WARNING!Forum: https://www.eevblog.com/forum/blog/eevblog-1762-logitech-keyboard-vs-food-gross-teardown/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Teardown...https://www.youtube.com/watch?v=inxiPN9JXrg

Teardown of the new Micsig HMO14 4CH 200MHz 6th generation tablet oscilloscope with built in multimeter.https://s.click.aliexpress.com/e/_c31766L5Forum: https://www.eevblog.com/forum/blog/eevblog-1761-micsig-mho14-tablet-oscilloscope-teardown/00:00 - Micsig MHO14 12bit 6th generation oscilloscope05:00 - Rubber baby buggy bumber08:13 - The RF shield retaining clips09:32 - The heat sink mounting is GLORIOUS!11:34 - PCB detailed inspection16:02 - ADC 19:20 - Front end22:17 - The Multimeter front end is great, but WEIRD!Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #teardown #oscilloscope...https://www.youtube.com/watch?v=JxuWOyY0e_Y

The Inevitable Future of AI Youtube Thumbnails. Experimenting with the new Youtube AI Gemini thumbnail generation tool.Fran's video: https://www.youtube.com/watch?v=hsq82ruyYmQForum: https://www.eevblog.com/forum/blog/eevblab-142-the-inevitable-future-of-ai-youtube-thumbnails/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=BmcoJqMxT6g

Today in the dumpster!Forum: https://www.eevblog.com/forum/blog/eevblog-1760-today-in-the-dumpster-(july-12th-2026)/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #DumpsterDiving...https://www.youtube.com/watch?v=P993ezQPUJ0

The 10th ACES hardware meetup in Sydney at Engineers Australia. All talks and open mics.https://luma.com/sydney-114f00:00 - Engineers Australia HQ03:19 - Intro05:42 - Cibby Pulikkaseril from Zabidouhttps://www.zabidou.com/14:42 - Matt Crott from MAKO Aero - Prototype to Producthttps://mako.aero/25:28 - Panel discussion with Cibby, Matt and Brendan Hill from TEN13 Venture Capitalhttps://www.ten13.vc/42:28 - Toby Tank from Onset, The Omnia Collectivehttps://theonset.com.au/44:52 - An amazing demo of an omnidirectional semi-holographic display!50:06 - Student Tokamak nuclear reactor 52:31 - Ali and his DIY robot actuators56:23 - Xtrainr fitness tracker hardwarehttps://xtrainr.ai/59:18 - Startup robotics building vision system1:03:37 - Haptic Virtual Reality Glove from On0https://on0.com/1:07:56 - Brian, a Year 12 High School Student doing drone development1:09:09 - Dropbear AI fast cloud AI modelshttps://www.dreamscalelabs.com/1:11:58 - Robocup JuniorForum: https://www.eevblog.com/forum/blog/eevblog-1759-aces-hardware-meetup-(startup-hardware-is-hard)/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=6MFWEM_i7No

A Greek Dumpster TV LED Backlight replacement TragedyForum: https://www.eevblog.com/forum/blog/eevblog-1758-a-greek-dumpster-tragedy/00:00 - Dumpster LG 4K TV backlight phosphor failure02:34 - LED spectrum measurements03:48 - Teardown08:49 - LCD TV layers09:36 - Come-a-gutsa11:50 - Through the magic of Ali Express14:49 - Replacing the LED strips17:55 - Sagan discovers electric screwdrivers19:31 - A Greek TragedyWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair...https://www.youtube.com/watch?v=8Ppg5GwjdaY

1 Million Subscribers! LIVE...https://www.youtube.com/watch?v=4ucmfpT79Ko

Sharp GF-7600 Boombox Repair Part 2 Electric BoogalooDismantling, cleaning and fixing the dodgy mains switch contact.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair...https://www.youtube.com/watch?v=B32smNzYBaU

Bodge repairing THE boombox of the 1980's, the Sharp GF-7600 for a 1980's party.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair...https://www.youtube.com/watch?v=M6V_nPBnkgs

Demo, teardown and reverse engineering of the Tolicore 3720 Femtoammeter and voltage source.https://tolicore.com/products/3720-femtoammeter-voltage-source/https://tolicore.com/product-documents/3720-Datasheet.pdfKeithley low current measurement handbook: https://www.tek.com/en/documents/product-article/keithley-low-level-measurements-handbook---7th-editionCounting LED photons video: https://www.youtube.com/watch?v=TJcMgoJ4DOE00:00 - Femtoammeter measurement01:16 - Tolicore 3720 Femtoammeter unboxing03:39 - Power on and UI05:18 - 20pA full scale range10:13 - Bluetooth and 11:35 - Humidity measurement is important12:21 - Crazy sensitive!13:45 - LED as a current source demo15:28 - 1nA measurement test16:43 - Burden voltage and electrometer input + self calibration20:14 - Teardown22:20 - Voiding the warranty25:05 - Reverse engineering27:32 - How a PCB guard ring works33:52 - Humidity matters34:33 - The voltage output35:23 - Porcelain Multilayer Capacitors36:22 - Voltmeter input38:24 - Potentiostatic and Amperostatic Coulometry40:15 - ADA4530-1 Internal schematic42:25 - Contamination and PCB assembly cleaning matters44:03 - Rogers PCB materialForum: https://www.eevblog.com/forum/blog/eevblog-1755-tolicore-femtoammeter-teardown-reverse-engineer/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Teardown...https://www.youtube.com/watch?v=Gdj-8amVTx0

The EEVblog is HIRING! Will you be Dave's next sidekick?Job Description: https://www.eevblog.com/files/EEVBlogYouTubeCreatorJobDescription2026.pdfWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=AOBcLVVZNrI

2026 Electronex Show WalkaroundForum: https://www.eevblog.com/forum/blog/eevblog-1754-2026-electronex-show-walkaround/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Electronex...https://www.youtube.com/watch?v=sskcImW7ulU

Bart from Cleverscope returns to discuss and show off designing a 2000V isolated oscilloscope, and demonstrates measuring high voltage GaN transistors and Solid State Transformers.https://cleverscope.com/products/CS548Forum: https://www.eevblog.com/forum/blog/eevblog-1753-designing-a-2000v-isolated-oscilloscope-(cleverscope)/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Cleverscope...https://www.youtube.com/watch?v=WdYBL-_8-oo

WTF were Texas Instruments thinking changing the design and major specs of the 45+ year old jellybean NE5532 audio opamp WITHOUT changing the part number?!New datasheet: https://www.ti.com/lit/ds/symlink/ne5532.pdfOld datasheet: https://www.mouser.com/datasheet/2/405/ne5532a-556776.pdfChange Notification: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5726/PCN20231114002.1.pdfOnsemi datasheet: https://www.onsemi.com/pdf/datasheet/ne5534-d.pdfForum thread: https://www.eevblog.com/forum/chat/ti-ne5532-audio-opamp-changes/General forum related to this video: https://www.eevblog.com/forum/blog/eevblog-1752-wtf-texas-instruments-big-ne5532-changes/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #texasinstruments #opamp...https://www.youtube.com/watch?v=22ZmmZ67SMY

5 different ways to measure phase angle on your oscilloscope.00:00 - What is phase angle measurement?01:48 - Automated measurement06:38 - Cursor Measurement12:24 - Graticule measurement13:55 - Positive or Negztive? A trap for young players14:50 - Another graticule method using horizontal shift16:00 - How to increase horizontal measurement resolution17:55 - Lissajous figure (X-Y mode) measurement22:14 - Measure phase angle using Voltage? Yes, it's possible!Forum: https://www.eevblog.com/forum/blog/eevblog-1751-oscilloscope-phase-measurement-masterclass/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #tutorial #Oscilloscope...https://www.youtube.com/watch?v=Sf0RyRZAuqk

More Mailbag!00:00 - Linus Tech Tips Screwdrivers!https://www.lttstore.com/collections/ratcheting-screwdrivershttps://www.lttstore.com/collections/precision-multi-bit-screwdriver15:30 - Closer look at the screwdrivers18:52 - Red Light Skin Therapy device22:31 - Spectrum measurements27:19 - EZABoard Arduino Learning Kithttps://ezaboard.com/Videos shot on 16mm film!https://odysee.com/@MatthewMulder:d35:40 - Vintage Tek Museum CurveBug Curve Tracer Debugging Toolhttps://vintagetek.org/curvebug/Forum: https://www.eevblog.com/forum/blog/eevblog-1750-mailbag/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Mailbag...https://www.youtube.com/watch?v=_6pF3_MLlco

Solar Analytics RIPPED ME OFF!Jacked up their fees 40% above what their website says, and they refuse to respond to me. So screw them, I'm looking for a new home circuit energy monitoring system.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #SolarPower...https://www.youtube.com/watch?v=wQbCsk7UAFc

Review of the Werewolf VFLEX USB-C power supply cable system.https://werewolf.us/collections/werewolf-products/products/vflex-3-pack-starter-kitWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=PFRdmn3SipY

The dumpster really delivered today, with no less than FOUR 4K Retina display iMac's! Plus a Nikon DSLR camera!Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Apple #Dumpster...https://www.youtube.com/watch?v=zGyHTFXEtzg

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/2052223991839170919https://www.tti.com/content/ttiinc/en/resources/blog/infographics/schottky-diodes.htmlhttps://engineering.purdue.edu/~ee606/downloads/ECE606_f12_Lecture17.pdfForum: https://www.eevblog.com/forum/blog/eevblog-1746-schottky-vs-pn-diodes-measurement-traps/00:00 - Twitter question01:21 - Recreating the problem03:08 - Why doesn't it read zero volts? Let's try a PN junction diode04:21 - Schottky vs PN Junction diodes, they are NOT the same!06:06 - What about a diode tester?07:15 - Why doesn't the Schottky diode work like a diode?08:39 - It's a multimeter measurement TRAP!10:37 - A closer look at Schottky diodes14:21 - Datasheet inspection, and advantages vs disadvantages of Schottky diodes15:21 - Reverse leakage current, PN vs Schottky17:16 - THREE orders of magnitude difference!22:29 - Digital vs Analog multimeter, Analog WINS!Zener Diodes: https://www.youtube.com/watch?v=O0ifJ4oVdG4Orders of Magnitude: https://www.youtube.com/watch?v=jjvIy04PwYIWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=NyGznsgUt7U

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 5:55And Dave demonstrates blowing out the birthday candle with his 555 Killer One Shot circuit.Use coupon code 555 for 5% off on the EEVblog storeHardware Store: https://eevblog.store/https://spectrum.ieee.org/chip-hall-of-fame-signetics-ne555https://www.righto.com/2016/02/555-timer-teardown-inside-worlds-most.htmlhttp://www.historyofelectronics.com/Much-Ado-About-Almost-Nothing.pdfForum: https://www.eevblog.com/forum/blog/eevblog-1746-the-555-is-55-years-old!/Web Site: http://www.eevblog.comMerch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #555...https://www.youtube.com/watch?v=6JhK8iCQuqI

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 a result as everyone scrambles for another solution. And my backup Optus 5G connection is also barely operational under the strain.I'm uploading this from home because I only have 1Mbps upload speed at the lab.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Rant...https://www.youtube.com/watch?v=sP9_y8-lsKg

Part 2 doing more measurements in the lab on the BM2257 buzzer loudness using the Crysound CRY2851 sound level meter.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=WbwqOo6IonI

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 BM2257Hardware Store: https://eevblog.store/Web Site: http://www.eevblog.comMerch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators...https://www.youtube.com/watch?v=CaxzxEB44Vs

How to Pronounce the word SolderWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Shorts...https://www.youtube.com/watch?v=ZsUvaBJ5Nrc

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 MDP70003:58 - Unboxing of the DP70005:52 - CMRR measurement hardware setup09:52 - Sanity check gain and bandwidth check.11:29 - Zero function12:25 - Measuring the CMRR16:30 - Trap for young players. RMS vs AC RMS, it's all in the sigma17:44 - Another trap for young players, double sigma19:07 - CMRR at 100MHz22:41 - Real world test on a 100V GaN MOSFET25:28 - Teardown29:44 - PCB inspectionRelated videos: Reverse Engineering the DP10007: https://www.youtube.com/watch?v=GOk1BYKSsOICMRR: https://www.youtube.com/watch?v=vDe_BHvRpksGaN testing and Optical Fiber probe: https://www.youtube.com/watch?v=qgZgSDqmVMgWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Micsig...https://www.youtube.com/watch?v=0xqt4WF2G7k

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/Oscilloscope Input Shock: https://www.youtube.com/watch?v=WE9pYUVvr00MLCC catching on Fire: https://www.youtube.com/watch?v=Q2rvAoO-MIAPiezoceramic Probes: https://www.youtube.com/watch?v=KFCRB4d991EBM235 Piezoceramic https://www.youtube.com/watch?v=F2gX-R1k7MMForum: https://www.eevblog.com/forum/blog/eevblog-1743-mechanical-vibration-detection-with-your-oscilloscope-probe/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #AcousticImaging...https://www.youtube.com/watch?v=HLmty8KcOd4

More Dumpster Diving. What did we score today?Forum: https://www.eevblog.com/forum/blog/eevblog-1742-today-in-the-dumpster-room/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #dumpsterdiving...https://www.youtube.com/watch?v=wEXKHmJmVBY

What's going on with tutorial video views on Facebook? I compare Facebook and Youtube views. Also, some sort of bot detection bug in Facebook.Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Facebook #Youtube...https://www.youtube.com/watch?v=DyYZhjN7Fm0

More amazing Mailbag!00:00 - Professional Electronic Design Best Practices, Volume IIhttps://amzn.to/40Oh69006:01 - A Crusty Nautalytics Simple Compass 11:46 - DPS DIN Power Supply Moduleshttps://digitalpowersystems.eu/hdr20/https://digitalpowersystems.eu/usb_ac_pd_20w_en/20:22 - The Book: The Ultimate Guide to Rebuilding a Civilizationhttps://amzn.to/4d2N4FPForum: https://www.eevblog.com/forum/blog/eevblog-1741-mailbag/Web Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Mailbag...https://www.youtube.com/watch?v=FzOXabzWmWo