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More on the Gigatron 4 layer PCB for EMC compliance testing. Swapping the inner and outer plane layers, experimenting with KiCAD and investigating several issues with the tool.
Talk on gerber generation, PCB checklists, PCB design for manufacture, PCB stackup, and uploading to JLCPCB for 4 layer manufacture.

Forum: http://www.eevblog.com/forum/blog/eevblog-1193-kicad-pcb-4-layer-swapping-stackup/
#KiCAD #PCBdesign #DesignForManufacture

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More on the Gigatron 4 layer PCB for EMC compliance testing. Swapping the inner and outer plane layers, experimenting with KiCAD and investigating several issues with the tool.
Talk on gerber generation, PCB checklists, PCB design for manufacture, PCB stackup, and uploading to JLCPCB for 4 layer manufacture.

Forum: http://www.eevblog.com/forum/blog/eevblog-1193-kicad-pcb-4-layer-swapping-stackup/
#KiCAD #PCBdesign #DesignForManufacture

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EEVblog Main Web Site: http://www.eevblog.com
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Support the EEVblog through Patreon!
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The demise of Electronics Australia magazine, the longest running technical publication in the world.
A look at the last ever edition, the heyday, and some early editions that would cause a social justice meltdown today!

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Live drawing of some Keysight scopes

Repairing the faulty LCD in the Voltech PM300 power meter.

Fluke Scopemeter LCD repair: https://www.youtube.com/watch?v=Ujy-0gRspUM

Forum: http://www.eevblog.com/forum/blog/eevblog-1192-power-meter-lcd-repair/

#Repair #LCD

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Digital energy saver boxes that claim to reduce your power bill by up to 50%, are...
SPOILER ALERT:
Complete bullshit.

Forum: http://www.eevblog.com/forum/blog/eevblog-1191-digital-energy-savers-busted!/

#EnergySaver #Scam #Debunking

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A look at three major products in this lengthy Mailbag.

SPOILERS:

LabJack T7-Pro Multifunction DAQ with WiFi, Ethernet, and USB
https://labjack.com/products/t7

15:56 Balena Fin Raspberry Pi Compute module industrial computer
https://www.balena.io/fin/

29:29 Dodgy truck LED tailight assembly

38:00 Joulescope: Precision DC Energy Analyzer Kickstarter
With lengthy discussion on current measurement autoranging.
https://www.kickstarter.com/projects/jetperch/joulescope-precision-dc-energy-analyzer

Forum: http://www.eevblog.com/forum/blog/eevblog-1190-mailbag-review-bonanza/

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Quick update on the flooded EEVblog lab

Forum: http://www.eevblog.com/forum/blog/eevblog-lab-flooded!-174942/

#FlashFlood

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So, yeah, the EEVblog Lab just got FLOODED!

#FlashFlood #SydneyWeather #Lab

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Dave looks at three current free energy / over unity / perpetual motion scams on Kickstarter.
This crap got APPROVED by Kickstarter!

https://www.kickstarter.com/projects/1252786901/physics-powered-electrical-generator-prototype/description
https://www.kickstarter.com/projects/49546066/clean-and-abundant-energy-generator
https://www.kickstarter.com/projects/homoelectricity/homo-electric
https://www.kickstarter.com/projects/enceladus/affordable-household-hydro-electric-generator-prot

Forum: http://www.eevblog.com/forum/eevblab/eevblab-60-kickstarter-free-energy-scams!/

#Kickstarter #OverUnity #FreeEnergy

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Dave bought a 6.5 digit Phillips PM2534 on Ebay for $140 delivered. Did it even survive the shipping?

$200 Ebay 6.5 digit DMM video: https://www.youtube.com/watch?v=I2HcJ80OyrA

Forum: http://www.eevblog.com/forum/blog/eevblog-1189-ebay-$140-6-5-digit-dmm-bargain/
#BenchDMM #Ebay #Packaging

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Ask Dave LIVE

How good is your existing oscilloscopes FFT function with the $10 DIY EMC H-field probe compared with a dedicated spectrum analyser?
Dave tries the DIY EMC probe with half a dozen different low cost scopes, so it turned into a bit of a practical FFT shootout:
Rigol DS1054Z
Siglent SDS1202X-E
Keysight DSO1204X
Rohde & Schwarz HMO1202
GW-Instek GDS-1104S
Owon XDS3202A
and the higher end Rohde & Schwarz RTB2004

Forum: http://www.eevblog.com/forum/blog/eevblog-1188-$10-diy-emc-probe-using-scope-fft/

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Dave found 5 x Keysight DSOX1204G 200MHz 4CH scopes in the dumpster so is giving them away!

Keysight also coincidentally have a HUGE giveaway happening now: http://bit.ly/DaveWave2019

One random person from the comments down below will win one, just put "Great Scott!" somewhere in your comment to enter.

One random person on Patreon will win a scope:
http://www.patreon.com/eevblog

One random person on the EEVblog forum will win one:
http://www.eevblog.com/forum/contests/giveaway-keysight-dsox1204g-200mhz-scope/

Two people who post the best sob story video will get one:
http://www.eevblog.com/forum/contests/giveaway-video-entry-2x-keysight-dsox1204g-200mhz-scopes/

CLOSING DATE is RANDOM and SOON-ISH!

Discuss the contest here: http://www.eevblog.com/forum/blog/keysight-scope-giveaway!/

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A comprehensive tutorial on room (space) heater technology and their effectiveness and efficiency in heating rooms and homes.
The different types of heat transfer are discussed, along with the different types of heater technology available and how they apply to room and object heating. The 2nd law of thermodynamics, and the impossibility of new graphene technology in the Solus Kickstarter project.
Infrared panel heaters, Infrared IR radiation heaters, and convection heaters. The BTU and power equivalence is explained. And a demo of thermal heat through glass.

Solus video: https://www.youtube.com/watch?v=JnM4UcSDDpk

Forum: http://www.eevblog.com/forum/blog/eevblog-1187-room-heater-technology-explained/

#Graphene #Heating #Thermodynamics

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Busting the SOLUS Kickstarter - "The Most Efficient Radiator In The World" based on "completely new, eco-friendly and graphene-based technology"
"Save over 80% on your next heating utility bill"!

TLDR; It's a crazy expensive 200W - 300W glass panel heater with magic woo-woo graphene paste that does not produce any more heat than any other equivalent wattage panel radiator heater.

Kickstarter: https://www.kickstarter.com/projects/koleda/solus-the-most-efficient-radiator-in-the-world/

Xefro graphene heater scam: https://www.gov.uk/government/news/freeze-put-on-scam-heating-system-company

Forum: http://www.eevblog.com/forum/blog/eevblog-1186-solus-graphene-heater-kickstarter-busted!/

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#Kickstarter #Scam #Graphene

Will this dumpster 500MHz 4 channel Tektronix TDS540D scope work?
Teardown included of course.

Forum: https://www.eevblog.com/forum/blog/eevblog-1184-dumpster-tek-tds540d-scope/

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Dave shows how to search for cheap 6.5 digit bench multimeters on Ebay and other auction locations
Would you believe less than $200?
Ionic Resistance video: https://www.youtube.com/watch?v=fJSNAyMmNGk

Equipnet auction: https://bit.ly/2TcNukt

The multimeter spreadsheet: https://www.eevblog.com/forum/testgear/multimeter-spreadsheet/

Forum: http://www.eevblog.com/forum/blog/eevblog-1184-ebay-$200-6-5-digit-meter-search/

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Repairing the Schaffner NSD200E Mains Interference Simulator.
And the dangers of bad mains filters capacitors, and RIFA brand in particular.

Forum: http://www.eevblog.com/forum/blog/eevblog-1183-rifa-madness-(schaffner-repair)/

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A look inside a Swiss made Schaffner NSG200E Mains Interference Simulator after it released the magic smoke.
A very unusual bit of kit that tests products for mains line interference like lightning strikes, transients, and dropouts.
May involve alien crop circles.

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Dave exposes the ECO OBD2 Fuel Saver as a complete scam.
They are supposed to talk to the car's ECU via the CAN bus on the OBD2 connector, but does it?
Bonus rant on Audiophile Audiophoolery!

Forum: http://www.eevblog.com/forum/blog/eevblog-1181-car-eco-obd2-fuel-saver-scam/

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What is parametric searching, how is it useful, and how to best use it.
Dave answers a viewer question and hunts down the best microcontroller for the job, explaining and demonstrating parametric search engines in the process.

Forum: http://www.eevblog.com/forum/blog/eevblog-1180-component-parametric-search-tutorial/

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Mailbag

Forum: http://www.eevblog.com/forum/blog/eevblog-1179-mailbag/

Stempedia Electronics Learning Kit:
https://thestempedia.com

Powerfilm Solar flexible indoor solar panels and bluetooth development board.
https://www.powerfilmsolar.com/specialty-markets/indoor-solar-panels/

Synwit 25 cent ARM micro
http://smdprutser.nl/blog/the-arm-chip-that-wont-cost-an-arm-and-a-leg/
https://lcsc.com/product-detail/Synwit_SWM050I2P7-65_C111818.html

Xmas tree light PCB:
https://goo.gl/U8H48y

Casio Calculator watch teardown

Full length video cuts:
Stempedia Evive: https://www.youtube.com/watch?v=WXJP_CNYt3o

Powerfilm Solar: https://www.youtube.com/watch?v=S-UqkM8iDKM

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How to make your own magnetic H-field EMC probe for $10 that performs identically to a $300 commercial probe!

Forum: http://www.eevblog.com/forum/blog/eevblog-1178-build-a-$10-diy-emc-probe/

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Patreon is an unsustainable business, in their own words.
They took the investment money and now they are paying the price.
It looks as they nothing Patreon can do that won't piss off their creators will bring in enough money to keep the investors happy.
In addition to the fallout from the Patreon Purge, the future is not looking bright for Patreon and Jack Conte.

https://www.cnbc.com/2019/01/23/crowd-funding-platform-patreon-announces-it-will-pay-out-half-a-billion-dollars-to-content-creators-in-2019.html

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#Patreon #PatreonPurge #Subscribestar

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Created 1 year, 5 months ago.

249 videos

CategoryScience & Technology

NO SCRIPT, NO FEAR, ALL OPINION
An off-the-cuff Video Blog about Electronics Engineering, for engineers, hobbyists, enthusiasts, hackers and Makers
Hosted by Dave Jones from Sydney Australia

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