2021 is the Year of Alternatives
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#2021 #Youtube
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https://www.youtube.com/watch?v=E_ChC3eY0zI
What's inside the Trezor hardware bitcoin wallet?
A teardown to look at any physical hardware security, and a look at a possible side channel power line attack.
http://amzn.to/2uk2ccP
https://kit.com/EEVblog/crypto-hardware
UPDATE: A technical detailed reply from the Trezor developer!
http://www.eevblog.com/forum/blog/eevblog-1006-trezor-bitcoin-hardware-wallet-teardown/msg1255268/#msg1255268
CLARIFICATION: SatoshiLabs does not hold your wallet private key, it is encoded on the hardware with your custom PIN. Satoshi Labs only holds the private keys for the signing of the firmware.
Forum: http://www.eevblog.com/forum/blog/eevblog-1006-trezor-bitcoin-hardware-wallet-teardown/
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https://www.youtube.com/watch?v=BzxGoJdd8a4
Dave looks at some traps in chips and their modes of operation. In this case the TI LM2776, a look a the classic 7660 charge pump voltage inverter, and output ripple and ways to reduce it.
Parametric searching, and a look at some interesting rail inverters.
The uSleeve: https://www.eevblog.com/product/usleeve/
Forum: http://www.eevblog.com/forum/blog/eevblog-1115-traps-in-chips-and-the-7660/
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https://www.youtube.com/watch?v=dpq5iJxt-is
Part 7 of Microphone Technology with Doug Ford, former head designer at Rode Microphones.
This video Doug takes you through the design of the Rode NT3 and NT1000 microphone designs.
There is a ton of stuff in here:
Closed loop unity gain JFET and bipolar follow circuits.
Bootstrapping out miller capacitance.
JFET biasing.
How to eliminate expensive high value resistors.
How to add a bridged-T network to add marketing "pizazz" to a microphone.
How to stop oscillation in closed loop systems.
How to test and design closed loop systems for stability.
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https://www.youtube.com/watch?v=niZizzHBanA
Fluke 287 Multmeter Teardown.
Testing video: https://www.youtube.com/watch?v=FgkD8K0Ssdc
Forum: https://www.eevblog.com/forum/blog/eevblog-1592-fluke-287-multimeter-teardown/
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#ElectronicsCreators #Fluke #Multimeter
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https://www.youtube.com/watch?v=AFz0qmkq4LM
The $5 Hantek oscilloscope is repaired, and I'm giving it away to a youngster in Australia.
If you want the scope, enter here:
https://www.eevblog.com/forum/contests/giveaway-(oz-only)-hantek-oscilloscope/
Original find and test: https://www.youtube.com/watch?v=g2kCBfUa9H0
Part 2 trying the USB: https://www.youtube.com/watch?v=2_7ixfLcuLU
Forum: https://www.eevblog.com/forum/blog/eevblog-1492-$5-oscilloscope-repaired-oz-giveaway/
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#ElectronicsCreators #Repair #Giveaway
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https://www.youtube.com/watch?v=rxGafdgkal8
Did you know you can use your frequency counter to detect gravity? You've likely done it before and you didn't even know it!
Dave demonstrates the phenomenon of 2g-tipover on quartz crystal oscillators in an Agilent 53131A frequency counter.
Related videos:
How a rubidium frequency standard works: https://www.youtube.com/watch?v=I55uLRRvLCU
FE-5680A Rubidium Standard Teardown: https://www.youtube.com/watch?v=FRdGsSu5Nec
Forum: http://www.eevblog.com/forum/blog/eevblog-646-gravity-detection-using-a-frequency-counter!/
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https://www.youtube.com/watch?v=zILwgQhjC_Q
Dave does an impromptu teardown and repairs his 125KHz RFID lab access card.
And finds a use for his DSO Quad oscilloscope.
Forum: http://www.eevblog.com/forum/blog/eevblog-539-rfid-tag-repair/
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Donations:
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Merry Christmas Mailbag!
May you be touched by His Noodly Apppendage
Warning:
Someone thinks atheist Dave won't get saved by Jesus, so tries to convert him to Christianity!
Forum: http://www.eevblog.com/forum/blog/eevblog-833-mailbag/
SPOILERS:
Sam Harris destroys christianity video: https://www.youtube.com/watch?v=vSdGr4K4qLg
Bonus Christopher Hitchens vs. God Video:
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https://www.youtube.com/watch?v=dXbbJOH59oo