EEVblog 1783 – Can AI Reverse Engineer the 121GW Multimeter Firmware?

Can AI Reverse Engineer the 121GW Multimeter Firmware? Using Cursor with Reverse Engineer Anything and Claude to reverse engineer the 121GW firmware from the binary and the schematic. 00:00 – Using Cursor with the Reverse Engineer Anything MCP 00:47 – Reverse engineered Rigol Oscilloscope operating systewm 03:40 – First shot …

Read More »

EEVblog 1782 – Trezor Safe 3 Hardware Wallet Teardown Inspection

Trezor Safe 3 Hardware Wallet Teardown Inspection for supply chain attack possibility. Buy the Safe 3 directly from Trezor: https://affil.trezor.io/SH17H Or on Amazon: https://link.amazon/A0emFddvQ Forum: https://www.eevblog.com/forum/blog/eevblog-1782-trezor-safe-3-hardware-wallet-teardown-inspection/ 00:00 – Trezor Safe 3 packaging security features and unboxing 04:30 – Beware of supply chain hacks using the seed phrase 06:13 – The …

Read More »

EEVblog 1779 – Amazing LCD Physics! (µTimer Part 4)

You can erase LCD pixels with light! Semiconductor and photonics physics in action on the µTimer LCD! Part 4 in the µTimer design series. 00:00 – Reflective vs Transflective LCD 03:39 – Erasing LCD pixels using light! 05:02 – How the physics works 06:30 – We have a problem in …

Read More »

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

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 …

Read More »

EEVblog 1777 – Miele W1 Door Interlock Teardown

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/ Podcast (podcast2): Download

Read More »

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

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/ Podcast (podcast2): Download

Read More »

EEVblog 1775 – Mailbag

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/ Podcast (podcast2): Download

Read More »

EEVblog 1774 – PayPal Here Part 2 – Security Boogaloo

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. 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 …

Read More »

EEVblog 1773 – PayPal Here POS Terminal TEARDOWN

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 …

Read More »

EEVblog 1772 – OpAmp Exam Question 2: Complex Electric Boogaloo

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 Podcast: Download

Read More »

EEVblog 1771 – A Tricky OpAmp Exam Question

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 …

Read More »

EEVblog 1769 – Who Needs Three Phases? REPAIR

Can you repair a PSU by REMOVING a component? Well, in this case, yeah, kinda. Not recommended for new designs, but it works (for now) 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 – …

Read More »