EEVblog on Odysee

Erasing LCD Pixels Using semiconductor and optical physics!

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

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

Web Site: http://www.eevblog.com
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EEVblog2: http://www.youtube.com/EEVblog2
EEVdiscover: https://www.youtube.com/eevdiscover

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

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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EEVblog2: http://www.youtube.com/EEVblog2
EEVdiscover: https://www.youtube.com/eevdiscover

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

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/

Web Site: http://www.eevblog.com
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EEVdiscover: https://www.youtube.com/eevdiscover

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

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/


Web Site: http://www.eevblog.com
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If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog

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EEVdiscover: https://www.youtube.com/eevdiscover

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

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/

Web Site: http://www.eevblog.com
Hardware Store: https://eevblog.store/
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EEVdiscover: 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=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/

Web Site: http://www.eevblog.com
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#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 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/

Web Site: http://www.eevblog.com
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If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog

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EEVdiscover: 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=nDEGqme5Z4g

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

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

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

Today in the Dumpster

Web Site: http://www.eevblog.com
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#ElectronicsCreators #dumpsterdiving
...
https://www.youtube.com/watch?v=UchBY_L1CdE