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Part 6 of the AC basics tutorial video series, covering Impedance, Conductance, Susceptance, and Admittance.

00:00 - AC Tutorial Series Part 6
00:56 - Impedance
07:32 - Reactance vs Impedance
08:17 - Conductance
11:21 - The Fluke 87V measures conductance!
12:12 - Susceptance & Admittance
13:53 - Tying it all together

AC Tutorial Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHvD6M_7WeN071OVsZFE0_q-

Forum: https://www.eevblog.com/forum/blog/eevblog-1728-ac-basics-tutorial-part-6/

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#ElectronicsCreators #Tutorial
...
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Simple repair of a Casio CT-X700 keyboard, with Sagan, and some really bad music.

Forum: https://www.eevblog.com/forum/blog/eevblog-1727-repair-casio-ct-x700-keyboard/

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#ElectronicsCreators
...
https://www.youtube.com/watch?v=qiG6BbqVxfk

Repairing a failed EV charger DC-DC converter had an unusual twist.

Forum: https://www.eevblog.com/forum/blog/eevblog-1726-repair-of-an-ev-charger/

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#ElectronicsCreators #repair #evse
...
https://www.youtube.com/watch?v=scXuW8KdYkQ

Sagan joins Dave to open more packages, in everyone's favorite segment Mailbag.

00:00 - The Connector Book! by Davide Andrea
https://connectorbook.com/
11:02 - BLE CaberQu USB-C cable tester
https://caberqu.com
22:02- Teardown of the CaberQu
24:22 - Snaptron FREE Sample Box
https://www.snaptron.com/free-samples/sample-box/
24:55 - Sagan's Knife Skills!
32:10 - Elecrow CrowPanel Pi Terminal
https://www.elecrow.com/pi-terminal-7-1024-600-ips-hmi-panel-all-in-one-module-raspberry-pi-cm4-industrial-computer-with-rich-interfaces.html

Forum: https://www.eevblog.com/forum/blog/eevblog-1725-mailbag-with-special-guest-sagan/

Web Site: http://www.eevblog.com
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#ElectronicsCreators #Mailbag
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Teardown of the classic Australian Made BWD 603B Minilab that was saved from the UTS dumpster.

Forum: https://www.eevblog.com/forum/blog/eevblog-1724-bwd-603b-minilab-retro-teardown/

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#ElectronicsCreators #Teardown #Retro
...
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The Australian government eSafety office officially recommends the use of a VPN to protect your privacy online, avoid geo blocking and to maintain anonymity online.
eSafety Quote:
"There are many benefits in and valid reasons for maintaining a level of anonymity or practicing identity shielding online, including the right to privacy and protection from violence or unwanted contact."

https://beconnected.esafety.gov.au/topic-library/advanced-online-security/protecting-your-privacy-online
https://www.esafety.gov.au/sites/default/files/2025-01/Basic-Online-Safety-Expectations-regulatory-guidance-updated-January2025.pdf

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#Australia #VPN #socialmediaban
...
https://www.youtube.com/watch?v=9FEOvQaBCcs

Review of the AlienTek DM40 Multimeter/Oscilloscope
https://s.click.aliexpress.com/e/_c4EPQJod

00:00 - Alientek DM40C Multimeter and Oscilloscope
02:12 - Unboxing
03:51 - What's with the rotating tilting bail?
06:15 - Power on
08:53 - The Trend Chart is really nice
10:19 - Online/Offline mode, what IS this?
11:58 - Banana jacks please
12:07 - Megaohms interference issue
13:20 - Autoranging speed & Continuity & Diode
14:08 - No AutoHold
14:31 - Isolated inputs?
14:58 - Calibration checks
16:52 - Capacitance interference?
18:37 - Relative mode
19:10 - Colour LCD inside and outside
20:04 - Temp is a bit off
20:15 - No internal recording
20:53 - Reading memory
22:02 - Oscilloscope functionality
26:28 - Function Generator
28:46 - FFT
29:09 - Bluetooth functionality
31:33 - Three Finger Screen Shot
32:31 - It's got magnets!
32:51 - Teardown
37:56 - Analog front end
38:46 - Power consumption measurement
39:03 - PCB inspection talking head
45:08 - Conclusion

Forum:

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#ElectronicsCreators
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Re-telling of a manufacturing hardware war story talk I gave at a recent hardware meetup in Sydney.
https://luma.com/Sydney-hardware-meetup?k=c
How a simple manufacturing change cost a company millions of dollars.

00:00 - Sydney Hardware Meetup
01:16 - Seismic Oil Survey Exploration: How to find oil
03:29 - Seismic survey vessels are HUGE!
04:25 - Solid Towed Array Streamers
05:56 - On the back deck of the ships
06:33 - Leading edge low noise 24bit ADC's
07:23 - Hydrophone module construction
09:33 - The actual war story - Continuous Improvement...
14:12 - It CAN'T be that, it's impossible...
16:58 - Field repair wasn't easy...

Forum: https://www.eevblog.com/forum/blog/eevblog-1722-manufacturing-hardware-war-story/

Web Site: http://www.eevblog.com
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#ElectronicsCreators #Hardware #Manufacturing
...
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Qualcomm have bought out Arduino, and several weeks later have altered the Terms & Conditions. Dave does a deep dive of the changes.

https://www.arduino.cc/en/terms-conditions/
https://web.archive.org/web/20250912221625/https://www.arduino.cc/en/terms-conditions/

00:00 - Qualcomm have acquired Arduino. I've got a bad feeling about this...
01:02 - How much did they pay for Arduino?
02:54 - They have changed the Terms And Conditions
03:54 - Arbitration Disputes
04:21 - Kids? Bugger off!
05:11 - Are they now restricting reverse engineering?
06:35 - Irrevocable! Give us everything, forever.
07:08 - Revokable! We can take away your stuff.
08:26 - No competition for you!
09:46 - Patents
10:25 - Export & Trade Compliance. No selling to naughty people.
11:10 - For Personal Use Only
11:36 - Changes to the Changes. We can shut it all down.
12:24 - We can suspend your account
12:49 - Arbitration blah blah
13:31 - LibreDuino

Forum: https://www.eevblog.com/forum/blog/eevblog-1721-rip-arduino-(new-tc-deep-dive)/

Web Site: http://www.eevblog.com
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#ElectronicsCreators #Arduino #opensourcehardware
...
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Gmail have opted you into allowing them to read all your email and attachment to train generative AI models. Here is how to opt out.

Web Site: http://www.eevblog.com
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#Google #Gmail #AI
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