EEVblog on Odysee

Erasing LCD Pixels Using Physics!

Fri, 09 Oct 2026 00:00:00 GMT

Erasing LCD Pixels Using semiconductor and optical physics!

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#ElectronicsCreators #Shorts
...
https://www.youtube.com/watch?v=ZNTn306kxEA

eevBLAB 144 - YouTube Channels are STILL Getting Hacked! (KISS Analog)

Thu, 08 Oct 2026 00:00:00 GMT

YouTube Channels are STILL Getting Hacked! The latest victim is Eddie Aho's KISS Analog channel.
https://x.com/eddie_aho/status/2105152844185923958

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#ElectronicsCreators #Youtube #hijacked
...
https://www.youtube.com/watch?v=PJg9k5x13g0

EEVblog 1778 - Product Power Measurement Masterclass (µTimer Part 3)

Wed, 07 Oct 2026 00:00:00 GMT

Part 3 of the µTimer project. Measuring the power consumption of the LCD leads to a masterclass in power measurement and related traps.

00:00 - Part 3 of the uTimer project
02:36 - LCD Discontinued!? Was GoodDisplay, now Osptek
https://www.aliexpress.com/item/1005012678062314.html
04:26 - LCD power measurement with the Otti Arc
05:50 - It still works with no power pin? What is this black magic!
07:20 - Using the Ott Arc power profiler
https://www.qoitech.com/otii-arc-pro/
09:30 - Don't confuse LCD updating rate with data update rate
10:41 - ST7305 LCD driver datasheet
11:35 - LCD Tearing mode explained
12:22 - Low power 1Hz update power measurements
14:11- LCD datasheet
17:11 - Logic Analyser inspection
19:45 - Trap for young players! Yes, it's Grounds, again...
22:06 - The downside of high side current measurement, and a solution
23:52 - Using the oscilloscope to measure low power circuit current
27:18 - The trick to picking the right current shunt value
30:19 - Capturing the Reset current waveform
31:45 - Dynamically changing shunt resistor values is a thing
32:11 - Why not use the uCurrent? Another trap for young players!
33:34 - You can't just use your tool willy-nilly
36:20 - The trick to doing mixed signal analysis with high side current shunts
39:07 - Conclusion

Related videos:
Part 1: https://www.youtube.com/watch?v=KhQn-RUDZ3I
Part 2: https://www.youtube.com/watch?v=YCvDl0oXOSY
x1 Scope Probes Explained: https://www.youtube.com/watch?v=OiAmER1OJh4
No power pin, no problem! https://www.youtube.com/watch?v=2yFh7Vv0Paw

Datasheets:
Sitronix ST7305 https://yuyinglcd.com/strapi-uploads/ST_7305_V0_2_d0b99d9cdb.pdf
YDP290H004-V3 LCD https://yuyinglcd.com/products/1/17/560
YDP290H001-V3 LCD https://admin.osptek.com/uploads/YDP_290_H001_V3_1dcc5ea9e3.pdf
Old GoodDisplay https://www.good-display.com/product/454.html

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=fq_dKlRanH0

EEVblog 1777 - Miele W1 Door Interlock Teardown

Wed, 30 Sep 2026 00:00:00 GMT

Tearing down the failed Miele W1 washing machine door interlock mechanism and reverse engineering how it works to find what failed.
EG-380757
MN 10773383

Part 1: https://www.youtube.com/watch?v=xdCVl1qmH3w

Forum: https://www.eevblog.com/forum/blog/eevblog-1777-miele-w1-door-interlock-teardown/

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#ElectronicsCreators #Teardown #Miele
...
https://www.youtube.com/watch?v=QwjD5A6knwI

EEVblog 1776 - Get paid $175/hr to eliminate your own PCB Design job!

Fri, 25 Sep 2026 00:00:00 GMT

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-3a37-4485-91f0-99d1fe2b95bc
https://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/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=dgVYNaHekgs

EEVblog 1775 - Mailbag

Tue, 22 Sep 2026 00:00:00 GMT

More Mailbag!

00:00 - DrPD UBC-C Open Source PD Protocol Analyser
https://www.crowdsupply.com/t76-org/dr-pd
https://t76.org/drpd/docs/
https://github.com/T76-org/drpd/tree/main

24:34 - Sabrent USB-C and USB-A 8 power 252W Charger
https://link.amazon/B03E4bswK

35:03 - The Audio Circuits Cookbook: Building Blocks and Tools to Design Professional Audio Devices
https://link.amazon/B0auUWq4f

Forum: https://www.eevblog.com/forum/blog/eevblog-1775-mailbag/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=VbFjMu_Jgjs

EEVblog 1774 - PayPal Here Part 2 - Security Boogaloo

Sat, 19 Sep 2026 00:00:00 GMT

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=HUgZE3YvL7Y

Datasheet: https://www.nxp.com/docs/en/data-sheet/IMX25CEC.pdf

00:00 - We return to the PayPal Here POS terminal teardown
04:11 - They want to stop Skimming hacks, it's not just the keys
07:39 - Removing the keypad security mesh + a SURPRISE!
11:31 - On-die physical security
12:09 - Removing the card reader security anti-tamper mesh
13:36 - Speculating on hacking this POS terminal

Forum: https://www.eevblog.com/forum/blog/eevblog-1773-paypal-here-pos-terminal-teardown/

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#ElectronicsCreators #Teardown #Security
...
https://www.youtube.com/watch?v=yIfPa2urS8A

EEVblog 1773 - PayPal Here POS Terminal TEARDOWN

Fri, 18 Sep 2026 00:00:00 GMT

Teardown of the now obsoleted PayPal Here POS Payment terminal.

00:00 - PayPal Here POS payment terminal
03:56 - Teardown
05:10 - Case security clips
06:31 - Battery
08:02 - Security tamper mesh
10:43 - POS Terminal companies and my job at KeyCorp
12:14 - Bye Bye secure keys
14:24 - Battery removal
16:29 - i.MX258 Secure ARM processor

Links:
https://www.nxp.com/docs/en/data-sheet/IMX25CEC.pdf
https://listings.pcisecuritystandards.org/documents/pci_pts_poi_sr.pdf

Forum: https://www.eevblog.com/forum/blog/eevblog-1773-paypal-here-pos-terminal-teardown/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=HUgZE3YvL7Y

EEVblog 1772 - OpAmp Exam Question 2: Complex Electric Boogaloo

Mon, 14 Sep 2026 00:00:00 GMT

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=nDEGqme5Z4g

https://www.eevblog.com/forum/beginners/how-to-analyze-the-opamp-circuit/

OpAmp playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf

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#ElectronicsCreators #opamp
...
https://www.youtube.com/watch?v=33rS0oLULqw

Today in the Dumpster #DumpsterDiving

Mon, 14 Sep 2026 00:00:00 GMT

Today in the Dumpster

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#ElectronicsCreators #dumpsterdiving
...
https://www.youtube.com/watch?v=UchBY_L1CdE

EEVblog 1771 - A Tricky OpAmp Exam Question

Sun, 13 Sep 2026 00:00:00 GMT

Dave answers an exam question on OpAmps that's interestingly tricky. Bonus opamp tutorial on biasing.
Part 2: https://www.youtube.com/watch?v=33rS0oLULqw

https://www.eevblog.com/forum/beginners/how-to-analyze-the-opamp-circuit/

OpAmp playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHu2FviAaZaiyXwN41G4b1Lf

00:00 - A tricky exam question
01:45 - What's missing?
03:11 - The two most important Opamp rules
04:44 - THINK about what sort of exam you are in BEFORE answering the question
07:04 - 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 circuit
10:59 - Solving the first part of the question
12:20 - The 2nd rule of AC circuit analysis
13:33 - 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 question
15:58 - Let's talk about Opamp Biasing
22:59 - Single pole high pass filter
23:31 - Ripple removal filter
26:24 - Conclusion, why is this question is clever?

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#ElectronicsCreators #OpAmp
...
https://www.youtube.com/watch?v=nDEGqme5Z4g

EEVblog 1770 - Rigol RSA800 Real Time Spectrum Analyser TEARDOWN + Reverse Engineering

Mon, 07 Sep 2026 00:00:00 GMT

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 Analyser
06:48 - Teardown
11:42 - RF front end box teardown. Mad Man Muntz
14:55 - Back side of the RF block
16:50 - Reverse Engineering with DaveCAD
22:05 - Attenuator & Preamplifier
23:41 - Interesting split into separate HF and LF mixers
25:47 - Preselect filters
27:33 - Flux residue!
28:23 - HF and LF Mixers and 1st stage PLL
30:58 - Downconversion mixing explained
32:48 - 2nd Stage Active IF Mixer, now we are getting serious
36:01 - Final 3rd stage active mixer
36:57 - Dave is WRONG, but why you might want two ADC's vs one
39:20 - No Dave, it's a DAC
40:25 - Speculating on the custom ADC used, and digital quadrature sampling
41:49 - Mystery LTC part, and what on earth is going on here with these PCB couplers?
44:32 - Teardown Conclusion
45:51 - Demo comparison of a DSA815 and RSA808, Real Time vs Swept Analysis

Forum: https://www.eevblog.com/forum/testgear/new-rigol-rsa800-spectrum-analyser/

Datasheets:
SIS378 Switch: https://www.sicoresemi.com/ueditor/php/upload/file/20250818/1755497980219246.pdf
SIAT116 Attenuator: https://www.sicoresemi.com/ueditor/php/upload/file/20260427/1777277733715489.pdf
LF Mixer : https://www.sicoresemi.com/ueditor/php/upload/file/20250923/1758612877124723.pdf
SIM445 HF Mixer: https://www.sicoresemi.com/ueditor/php/upload/file/20260709/1783577453983448.pdf
SIA070 Amplifier: https://www.sicoresemi.com/ueditor/php/upload/file/20260509/1778310579506957.pdf
SIS119 Absorptive Switch: https://www.sicoresemi.com/ueditor/php/upload/file/20250324/1742806808125089.pdf
SIP052 Phase Converter: https://www.sicoresemi.com/ueditor/php/upload/file/20240627/1719477861130248.pdf
SIA332 Amplifier: https://www.sicoresemi.com/ueditor/php/upload/file/20240924/1727159790115927.pdf
LMX2820 PLL: https://www.ti.com/lit/ds/symlink/lmx2820.pdf
LTC5577 Active Mixer: https://www.analog.com/media/en/technical-documentation/data-sheets/5577f.pdf

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#ElectronicsCreators #Rigol #spectrumanalyzer
...
https://www.youtube.com/watch?v=oci89u-sL0s

EEVblog 1769 - REPAIR by REMOVING a Component?

Wed, 02 Sep 2026 23:45:39 GMT

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 paste
03:54 - The flipchip die under the microscope
04:48 - Thermal paste application triggering
06:55 - Time for a new strategy R2. The Vreg temp sensor is now the suspect
07:53 - A look at the open source hardware schematic in KiCAD
https://github.com/shufps/qaxe
09:42 - The TPS53647 4 Phase ASIC Buck PSU controller
https://www.ti.com/lit/ds/symlink/tps53647.pdf
10:23 - The CSD95472Q5MC Synchronous Buck NexFET Smart Power Stage
https://www.ti.com/lit/ds/symlink/csd95472q5mc.pdf
11:50 - We can try wacking a heatsink on + Jaycar field trip
12:41 - Did that fix it?
14:10 - It's becoming obvious what the fault is now
16:24 - Thermal camera testing
16:56 - Oscilloscope time on the 3 phase PSU
18:21 - Desoldering time, maybe
19:42 - Will removing this component work?
23:52 - AutoBalance multi-phase buck conversion for the win

Forum: https://www.eevblog.com/forum/blog/eevblog-1769-repair-by-removing-a-component/

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#ElectronicsCreators #Repair
...
https://www.youtube.com/watch?v=lcsXd_0qCuo

The CORRECT Way to Compare Battery Bank Capacity

Tue, 01 Sep 2026 00:00:00 GMT

The CORRECT Way to Compare Battery Bank Capacity. Input referred vs output referred battery capacity explained. And Watt Hours vs Milliamp Hours

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#ElectronicsCreators #Shorts
...
https://www.youtube.com/watch?v=2-wgZjUjqUw

EEVblog 1768 - Mailbag

Thu, 27 Aug 2026 21:45:20 GMT

More Mailbag!

00:00 - Dave & Dylan open random Mailbag
03:49 - DIY bodged laser engraver
04:14 - MPPT Solar charge controller
04:56 - Mixed bags
06:01 - DLP Projector Mirror Arrays
08:05 - TDA2030A Power Amp
08:39 - Analog/Digital combo watch
12:23 - Solar Panels
13:52 - Engineering Spelling + 34401A VFD Replacement
https://hubequip.net/products/hp-agilent-34401a-vfd-to-led-display-replacement-led-conversion
17:58 - Treedix USB Cable Tester
https://treedix.com/
24:33 - Zoyi ZT-XC1 Combo LCR & Multimeter
https://zotektools.com/?list_22/137.html

Forum: https://www.eevblog.com/forum/blog/eevblog-1768-mailbag/

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#ElectronicsCreators #mailbag
...
https://www.youtube.com/watch?v=B30W9j2LsIY

EEVblog 1767 - Harogic PXN-90 9GHz Spectrum Analyser TEARDOWN

Wed, 19 Aug 2026 22:21:35 GMT

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/

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#ElectronicsCreators #Harogic
...
https://www.youtube.com/watch?v=tyB31vEj43c

eevBLAB 143 - HUGE Youtube Change on View Count!

Tue, 18 Aug 2026 05:21:20 GMT

Youtube have just completely changed what constitutes a "view" !
https://support.google.com/youtube/thread/433409976

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#ElectronicsCreators #youtube
...
https://www.youtube.com/watch?v=PuQbaWpShHI

We Vibe Coded a Spotify Bulk Upload Engine using Claude!

Mon, 17 Aug 2026 02:13:04 GMT

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/2LsuS1kDu8jbE3GsOxDQrk

Web Site: http://www.eevblog.com
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#ElectronicsCreators #Spotify #Claude
...
https://www.youtube.com/watch?v=nNTaLhJzw14

EEVblog 1766 - FAILED Rode PodMic USB Teardown

Sun, 16 Aug 2026 13:02:07 GMT

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=fUll85g8weE

Forum: https://www.eevblog.com/forum/blog/rode-podmic-usbs-are-failing!/

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#ElectronicsCreators #Rode #Microphone
...
https://www.youtube.com/watch?v=OrWwzY8DNb8

EEVblog 1765 - Mini PROJECT: ESP32 RS485 WiFi Email Alert System

Thu, 13 Aug 2026 21:39:55 GMT

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 system
02:04 - Waveshare ESP32-S3-RS485-CAN module
06:32 - Using Claude to generate Arduino code
17:04 - Pirate Mode Activated
24:21 - Installation and testing

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#ElectronicsCreators #project #ESP32
...
https://www.youtube.com/watch?v=kHu2xe9iCIc

The Best Computer Product Design EVER!

Mon, 10 Aug 2026 05:26:52 GMT

The Best Computer Product Design EVER! The Psion 5 sub-notebook from 1997

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=yjdzqqzkdVc

EEVblog 1764 - Can I Retire Now?

Wed, 05 Aug 2026 22:22:45 GMT

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=PLvOlSehNtuHutdg1kZkG7aAYhjoJnk2fc

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#ElectronicsCreators #Youtube #goldplaybutton
...
https://www.youtube.com/watch?v=Uyxl0KZysRA

Engineers HATE Bad UI Design

Tue, 04 Aug 2026 04:54:04 GMT

Engineers HATE bad UI Design
The speed camera warning system in the Hyundai IONIQ sucks.

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#Shorts #Hyundai #Engineering
...
https://www.youtube.com/watch?v=EViCFvh8fmc

EEVblog 1763 - Meet Dylan

Sun, 02 Aug 2026 22:12:57 GMT

Meet Dylan

Web Site: http://www.eevblog.com
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#ElectronicsCreators
...
https://www.youtube.com/watch?v=QatCeNYQQA8

EEVblog 1762 - Logitech Keyboard vs Food: GROSS TEARDOWN!

Fri, 31 Jul 2026 13:31:31 GMT

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/

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#ElectronicsCreators #Teardown
...
https://www.youtube.com/watch?v=inxiPN9JXrg

EEVblog 1761 - Micsig MHO14 Tablet Oscilloscope TEARDOWN

Thu, 23 Jul 2026 11:43:40 GMT

Teardown of the new Micsig HMO14 4CH 200MHz 6th generation tablet oscilloscope with built in multimeter.
https://s.click.aliexpress.com/e/_c31766L5

Forum: https://www.eevblog.com/forum/blog/eevblog-1761-micsig-mho14-tablet-oscilloscope-teardown/

00:00 - Micsig MHO14 12bit 6th generation oscilloscope
05:00 - Rubber baby buggy bumber
08:13 - The RF shield retaining clips
09:32 - The heat sink mounting is GLORIOUS!
11:34 - PCB detailed inspection
16:02 - ADC
19:20 - Front end
22:17 - The Multimeter front end is great, but WEIRD!

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#ElectronicsCreators #teardown #oscilloscope
...
https://www.youtube.com/watch?v=JxuWOyY0e_Y

eevBLAB 142 - The Inevitable Future of AI Youtube Thumbnails

Tue, 14 Jul 2026 23:50:54 GMT

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=hsq82ruyYmQ

Forum: https://www.eevblog.com/forum/blog/eevblab-142-the-inevitable-future-of-ai-youtube-thumbnails/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=BmcoJqMxT6g

EEVblog 1760 - Today in the Dumpster (July 12th, 2026)

Sun, 12 Jul 2026 11:20:12 GMT

Today in the dumpster!

Forum: https://www.eevblog.com/forum/blog/eevblog-1760-today-in-the-dumpster-(july-12th-2026)/

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#ElectronicsCreators #DumpsterDiving
...
https://www.youtube.com/watch?v=P993ezQPUJ0

EEVblog 1759 - ACES Hardware Meetup (Startup Hardware is Hard)

Sat, 11 Jul 2026 05:32:53 GMT

The 10th ACES hardware meetup in Sydney at Engineers Australia. All talks and open mics.
https://luma.com/sydney-114f

00:00 - Engineers Australia HQ
03:19 - Intro
05:42 - Cibby Pulikkaseril from Zabidou
https://www.zabidou.com/
14:42 - Matt Crott from MAKO Aero - Prototype to Product
https://mako.aero/
25:28 - Panel discussion with Cibby, Matt and Brendan Hill from TEN13 Venture Capital
https://www.ten13.vc/
42:28 - Toby Tank from Onset, The Omnia Collective
https://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 actuators
56:23 - Xtrainr fitness tracker hardware
https://xtrainr.ai/
59:18 - Startup robotics building vision system
1:03:37 - Haptic Virtual Reality Glove from On0
https://on0.com/
1:07:56 - Brian, a Year 12 High School Student doing drone development
1:09:09 - Dropbear AI fast cloud AI models
https://www.dreamscalelabs.com/
1:11:58 - Robocup Junior

Forum: https://www.eevblog.com/forum/blog/eevblog-1759-aces-hardware-meetup-(startup-hardware-is-hard)/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=6MFWEM_i7No

EEVblog 1758 - A Greek Dumpster Tragedy

Thu, 09 Jul 2026 01:12:16 GMT

A Greek Dumpster TV LED Backlight replacement Tragedy

Forum: https://www.eevblog.com/forum/blog/eevblog-1758-a-greek-dumpster-tragedy/

00:00 - Dumpster LG 4K TV backlight phosphor failure
02:34 - LED spectrum measurements
03:48 - Teardown
08:49 - LCD TV layers
09:36 - Come-a-gutsa
11:50 - Through the magic of Ali Express
14:49 - Replacing the LED strips
17:55 - Sagan discovers electric screwdrivers
19:31 - A Greek Tragedy

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#ElectronicsCreators #Repair
...
https://www.youtube.com/watch?v=8Ppg5GwjdaY

1 Million Subscribers! LIVE

Tue, 07 Jul 2026 11:02:40 GMT

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

EEVblog 1757: Sharp GF-7600 Boombox Repair PART 2 Electric Boogaloo

Fri, 26 Jun 2026 03:30:12 GMT

Sharp GF-7600 Boombox Repair Part 2 Electric Boogaloo
Dismantling, cleaning and fixing the dodgy mains switch contact.

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#ElectronicsCreators #Repair
...
https://www.youtube.com/watch?v=B32smNzYBaU

EEVblog 1756 - Boombox Bodge Repair

Thu, 25 Jun 2026 06:42:28 GMT

Bodge repairing THE boombox of the 1980's, the Sharp GF-7600 for a 1980's party.

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#ElectronicsCreators #Repair
...
https://www.youtube.com/watch?v=M6V_nPBnkgs

EEVblog 1755 - Tolicore Femtoammeter TEARDOWN + REVERSE ENGINEER

Tue, 23 Jun 2026 23:10:39 GMT

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.pdf
Keithley low current measurement handbook: https://www.tek.com/en/documents/product-article/keithley-low-level-measurements-handbook---7th-edition
Counting LED photons video: https://www.youtube.com/watch?v=TJcMgoJ4DOE

00:00 - Femtoammeter measurement
01:16 - Tolicore 3720 Femtoammeter unboxing
03:39 - Power on and UI
05:18 - 20pA full scale range
10:13 - Bluetooth and
11:35 - Humidity measurement is important
12:21 - Crazy sensitive!
13:45 - LED as a current source demo
15:28 - 1nA measurement test
16:43 - Burden voltage and electrometer input + self calibration
20:14 - Teardown
22:20 - Voiding the warranty
25:05 - Reverse engineering
27:32 - How a PCB guard ring works
33:52 - Humidity matters
34:33 - The voltage output
35:23 - Porcelain Multilayer Capacitors
36:22 - Voltmeter input
38:24 - Potentiostatic and Amperostatic Coulometry
40:15 - ADA4530-1 Internal schematic
42:25 - Contamination and PCB assembly cleaning matters
44:03 - Rogers PCB material

Forum: https://www.eevblog.com/forum/blog/eevblog-1755-tolicore-femtoammeter-teardown-reverse-engineer/

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#ElectronicsCreators #Teardown
...
https://www.youtube.com/watch?v=Gdj-8amVTx0

The EEVBlog is HIRING!

Fri, 19 Jun 2026 23:31:44 GMT

The EEVblog is HIRING! Will you be Dave's next sidekick?

Job Description: https://www.eevblog.com/files/EEVBlogYouTubeCreatorJobDescription2026.pdf

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=AOBcLVVZNrI

EEVblog 1754 - 2026 Electronex Show WALKAROUND

Mon, 15 Jun 2026 04:27:43 GMT

2026 Electronex Show Walkaround

Forum: https://www.eevblog.com/forum/blog/eevblog-1754-2026-electronex-show-walkaround/

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#ElectronicsCreators #Electronex
...
https://www.youtube.com/watch?v=sskcImW7ulU

EEVblog 1753 - Designing a 2000V Isolated Oscilloscope (Cleverscope)

Fri, 05 Jun 2026 22:36:11 GMT

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/CS548

Forum: https://www.eevblog.com/forum/blog/eevblog-1753-designing-a-2000v-isolated-oscilloscope-(cleverscope)/

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#ElectronicsCreators #Cleverscope
...
https://www.youtube.com/watch?v=WdYBL-_8-oo

EEVblog 1752 - WTF Texas Instruments! BIG NE5532 CHANGES!

Tue, 02 Jun 2026 21:40:48 GMT

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.pdf
Old datasheet: https://www.mouser.com/datasheet/2/405/ne5532a-556776.pdf
Change Notification: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/5726/PCN20231114002.1.pdf
Onsemi datasheet: https://www.onsemi.com/pdf/datasheet/ne5534-d.pdf
Forum 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/

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#ElectronicsCreators #texasinstruments #opamp
...
https://www.youtube.com/watch?v=22ZmmZ67SMY

EEVblog 1751 - Oscilloscope Phase Measurement Masterclass

Fri, 29 May 2026 22:38:39 GMT

5 different ways to measure phase angle on your oscilloscope.

00:00 - What is phase angle measurement?
01:48 - Automated measurement
06:38 - Cursor Measurement
12:24 - Graticule measurement
13:55 - Positive or Negztive? A trap for young players
14:50 - Another graticule method using horizontal shift
16:00 - How to increase horizontal measurement resolution
17:55 - Lissajous figure (X-Y mode) measurement
22:14 - Measure phase angle using Voltage? Yes, it's possible!

Forum: https://www.eevblog.com/forum/blog/eevblog-1751-oscilloscope-phase-measurement-masterclass/

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#ElectronicsCreators #tutorial #Oscilloscope
...
https://www.youtube.com/watch?v=Sf0RyRZAuqk

EEVblog 1750 - Mailbag

Tue, 26 May 2026 23:45:55 GMT

More Mailbag!

00:00 - Linus Tech Tips Screwdrivers!
https://www.lttstore.com/collections/ratcheting-screwdrivers
https://www.lttstore.com/collections/precision-multi-bit-screwdriver
15:30 - Closer look at the screwdrivers
18:52 - Red Light Skin Therapy device
22:31 - Spectrum measurements
27:19 - EZABoard Arduino Learning Kit
https://ezaboard.com/
Videos shot on 16mm film!
https://odysee.com/@MatthewMulder:d
35:40 - Vintage Tek Museum CurveBug Curve Tracer Debugging Tool
https://vintagetek.org/curvebug/

Forum: https://www.eevblog.com/forum/blog/eevblog-1750-mailbag/

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#ElectronicsCreators #Mailbag
...
https://www.youtube.com/watch?v=_6pF3_MLlco

eevBLAB 141 - Solar Analytics RIPPED ME OFF!

Sun, 24 May 2026 09:00:30 GMT

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.

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#ElectronicsCreators #SolarPower
...
https://www.youtube.com/watch?v=wQbCsk7UAFc

EEVblog 1749 - Werewolf VFLEX USB-C Power Supply Adapters - Very Cool!

Thu, 21 May 2026 23:06:05 GMT

Review of the Werewolf VFLEX USB-C power supply cable system.
https://werewolf.us/collections/werewolf-products/products/vflex-3-pack-starter-kit

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=PFRdmn3SipY

EEVblog 1748 - Dumpster iMac BONANZA!

Tue, 12 May 2026 21:36:06 GMT

The dumpster really delivered today, with no less than FOUR 4K Retina display iMac's! Plus a Nikon DSLR camera!

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#ElectronicsCreators #Apple #Dumpster
...
https://www.youtube.com/watch?v=zGyHTFXEtzg

EEVblog 1746 - Schottky vs PN Diodes & Measurement Traps

Fri, 08 May 2026 22:08:17 GMT

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 a PN junction diode
04:21 - 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 diodes
14:21 - Datasheet inspection, and advantages vs disadvantages of Schottky diodes
15:21 - Reverse leakage current, PN vs Schottky
17:16 - THREE orders of magnitude difference!
22:29 - Digital vs Analog multimeter, Analog WINS!

Zener Diodes: https://www.youtube.com/watch?v=O0ifJ4oVdG4
Orders of Magnitude: https://www.youtube.com/watch?v=jjvIy04PwYI

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=NyGznsgUt7U

EEVblog 1746 - The 555 is 55 Years Old!

Tue, 05 May 2026 07:01:23 GMT

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 555 for 5% off on the EEVblog store
Hardware Store: https://eevblog.store/

https://spectrum.ieee.org/chip-hall-of-fame-signetics-ne555
https://www.righto.com/2016/02/555-timer-teardown-inside-worlds-most.html
http://www.historyofelectronics.com/Much-Ado-About-Almost-Nothing.pdf

Forum: https://www.eevblog.com/forum/blog/eevblog-1746-the-555-is-55-years-old!/

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#ElectronicsCreators #555
...
https://www.youtube.com/watch?v=6JhK8iCQuqI

Norwest Business Park Internet is DOWN FOR 2 WEEKS!

Wed, 29 Apr 2026 06:37:30 GMT

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.

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#ElectronicsCreators #Rant
...
https://www.youtube.com/watch?v=sP9_y8-lsKg

EEVblog 1745 - Part 2 - BM2257 Buzzer Boogaloo

Mon, 27 Apr 2026 01:23:57 GMT

Part 2 doing more measurements in the lab on the BM2257 buzzer loudness using the Crysound CRY2851 sound level meter.

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...
https://www.youtube.com/watch?v=WbwqOo6IonI

EEVblog 1745 - How LOUD is the Continuity Tester

Sun, 26 Apr 2026 21:55:00 GMT

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/

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How to Pronounce: Solder

Tue, 21 Apr 2026 06:41:55 GMT

How to Pronounce the word Solder

Web Site: http://www.eevblog.com
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EEVblog 1744 - NEW Micsig DP700 High Voltage Differential Probe

Tue, 14 Apr 2026 22:18:37 GMT

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 gain and bandwidth check.
11:29 - Zero function
12:25 - Measuring the CMRR
16:30 - Trap for young players. RMS vs AC RMS, it's all in the sigma
17:44 - Another trap for young players, double sigma
19:07 - CMRR at 100MHz
22:41 - Real world test on a 100V GaN MOSFET
25:28 - Teardown
29:44 - PCB inspection

Related videos:
Reverse Engineering the DP10007: https://www.youtube.com/watch?v=GOk1BYKSsOI
CMRR: https://www.youtube.com/watch?v=vDe_BHvRpks
GaN testing and Optical Fiber probe: https://www.youtube.com/watch?v=qgZgSDqmVMg

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