Category Archives: Miscellaneous

EEVblog #1008 – Mystery Teardown

Mystery Teardown!
What’s got two pads and generates a Devo Energy Helmet waveform?
Forum: http://www.eevblog.com/forum/blog/eevblog-1008-mystery-teardown/
Previous teardown: https://www.youtube.com/watch?v=n47u2YQytjo&t=2s
Fluke Whitepaper: http://support.fluke.com/biomedical/download/asset/ppp085_impedance_educational.pdf

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog through Patreon!
http://www.patreon.com/eevblog

EEVblog Amazon Store (Dave Continue reading EEVblog #1008 – Mystery Teardown

EEVblog #1007 – Is a $25 Multimeter Any Good?

Dave looks at the $25 ANENG AN8008 Multimeter
It has some unusually low ranges making it ideal for electronics use. Or is it?
http://amzn.to/2tq68UO
Forum: http://www.eevblog.com/forum/blog/eevblog-1007-is-a-$25-multimeter-any-good/
Previous discussion: http://www.eevblog.com/forum/testgear/an8008-us-$19-10000count-1uv-0-01ua-0-01ohm-resolution-meter/

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog Continue reading EEVblog #1007 – Is a $25 Multimeter Any Good?

EEVblog #1006 – Trezor Bitcoin Hardware Wallet Teardown

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
For a new stable attempt at cryptocurrency, check out Corion:
http://corion.io/-f1

UPDATE: A technical detailed reply from the Trezor developer!
<a href="http://www.eevblog.com/forum/blog/eevblog-1006-trezor-bitcoin-hardware-wallet-teardown/msg1255268/#msg1255268" Continue reading EEVblog #1006 – Trezor Bitcoin Hardware Wallet Teardown

EEVacademy #3 – Bit Banging & SPI Tutorial

What is Bit Banging and how to bit bang a SPI bus.
Also how to use an Excel spreadsheet to do logic simulation.
Forum: https://www.eevblog.com/forum/blog/eevacademy-3-bit-banging-spi-tutorial/

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog through Patreon!
http://www.patreon.com/eevblog

EEVblog Amazon Store (Dave Continue reading EEVacademy #3 – Bit Banging & SPI Tutorial

EEVblog #1005 – Keithley 2302 Battery Simulator Teardown

What’s inside the Keithley 2302 Battery Simulator
A way to simulate battery ionic resistance (ESR) and measure product pulse power consumption.

Forum: http://www.eevblog.com/forum/blog/eevblog-1005-keithley-2302-battery-simulator-teardown/

Teardown Photos: https://www.eevblog.com/2017/07/07/eevblog-1005-keithley-2302-battery-simulator-teardown/

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog through Patreon!
http://www.patreon.com/eevblog

EEVblog Continue reading EEVblog #1005 – Keithley 2302 Battery Simulator Teardown

EEVblog #1004 – Owon XDS3202A 14bit Oscilloscope Teardown

Does the Owon XDS3202A Oscilloscope use a true 14bit converter?
Unboxing: https://www.youtube.com/watch?v=ByUiOk00K0U
Forum: http://www.eevblog.com/forum/blog/eevblog-1004-owon-xds3202a-14bit-oscilloscope-teardown/new/#new
Hires photos:
https://www.eevblog.com/2017/07/02/eevblog-1004-owon-xds3202a-14bit-oscilloscope-teardown/

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog through Patreon!
http://www.patreon.com/eevblog

EEVblog Amazon Store (Dave gets a cut):
<a href="http://astore.amazon.com/eevblogstore-20" Continue reading EEVblog #1004 – Owon XDS3202A 14bit Oscilloscope Teardown

Rohde & Schwarz RTB2004 Oscilloscope Giveaway

Win an slightly used Rohde & Schwarz RTB2004 300MHz 4CH Mixed signal 10bit ADC touch screen oscilloscope with all the bells and whistles.
http://bit.ly/2trNvDB
You MUST make a 2 minute video (no longer!) explaining how you can make use the scope. Show us your lab, show us your projects, Continue reading Rohde & Schwarz RTB2004 Oscilloscope Giveaway

EEVblog #1003 – Mailbag

Mailbag is back!
Forum: http://www.eevblog.com/forum/blog/eevblog-1003-mailbag/

SPOILERS:
Trezor Bitcoin Hardware Wallet. Dave is looking into the new crypto currency Corion:
http://corion.io/-f1
1980 Retro Language Translator Teardown
Arduino interfacing book: http://www.absthebook.com
ReflowR Hot plate PCB reflow machine
http://www.reflowr.com
50ohm Dummy Load for babies from First Advanced Industrial Labs
Black Box Continue reading EEVblog #1003 – Mailbag

EEVblog #1002 – Trump’s Solar Freakin’ Wall DEBUNKED!

Will Trump’s Mexican border solar powered wall pay for itself?
Dave runs the numbers to find out what the solar payback is.
NOTE: These are BEST CASE (non-practical) figures that don’t include any system losses from a single long line array like this, or anything to do with the changing wall topology, Continue reading EEVblog #1002 – Trump’s Solar Freakin’ Wall DEBUNKED!

EEVblog #1001 – uBeam Ultrasonic Wireless Charging DEBUNKED!

Dave debunks the uBeam ultrasonic wireless phone charging technology and explains why this will NEVER be a practical solution.
Also, Meredith Perry’s rant on engineers and other experts.
NOTE: This was split out from video #1000 for SEO reasons. There should be a debunking video of this searchable on Youtube.
Some extra material Continue reading EEVblog #1001 – uBeam Ultrasonic Wireless Charging DEBUNKED!