EEVblog 1611 – Top 5 Jellybean 7400 & 4000 Logic
The TOP 5 Jellybean 7440 and 4000 series logic chips. Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ Schmitt Trigger video:...
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EEVblog 1612 – Siglent SDS1000X HD 12 bit Oscilloscope Teardown
Siglent SDS1000X HD 12 bit Oscilloscope Teardown and brief play, noise measurement, and comparison to the SDS2000X HD Hires photos: SDS2000X HD Teardown: https://www.youtube.com/watch?v=lUAevbBh0rQ...
View ArticleEEVblog 1613 – Audiophile REPAIR: $4500 Chord Hugo DAC
Simple repair on the neighbours $4500 Audiophile Chord Hugo DAC. Replacing the rechargeable lithium ion batteries wasn’t quite as simple as expected though… And is this thing worth $4500? Forum:...
View ArticleEEVblog 1614 – Circuit Design TIP: Crystal Oscillators
You can easily replace any chip crystal circuit with a dedicated external crystal oscillator. Reducing your BOM count, and making your design easier, smaller, and potentially more robust. Cyber City...
View ArticleEEVblog 1615 – Dumpster Dive HP Pro One PC
It’s been slim pickings in the dumpster room in recent times, will this HP Pro One 400 all-in-one touch screen PC be a winner? Part 2: https://www.youtube.com/watch?v=NLwgFYt1pjA Lenovo IdeaCentre...
View ArticleEEVblog 1616 – Weller Zero Smog Fume Extractor Review
How much does the Weller HEPA 13 Zero Smog EL Kit fume extractor suck? https://www.weller-tools.com/eu/gb/filtration/products/solder-fumes/zero-smog-el-kit-1 00:00 – Unboxing the Weller Zero Smog EL...
View ArticleEEVblog 1617 – Architectural LED Lighting Build + Test
Building and testing an architectural wall wash LED Lighting solution. Part 2: https://www.youtube.com/watch?v=5mueaTsus8o Counting LED photons: https://www.youtube.com/watch?v=TJcMgoJ4DOE Forum:...
View ArticleEEVblog 1618 – The Equation For Charge In A Capacitor
How To Derive The Equation For Charge In A Capacitor, E = 1/2 C.V² NOTE: Re-edited from an old impromptu video to remove all unrelated stuff about the dumpster whiteboard I found. Forum:...
View ArticleEEVblog 1619 – Mailbag: Featuring Don McKenzie
More Mailbag! 00:00 – THE Don McKenzie! and a bonanza of embedded history https://www.dontronics.com/jump-list.html https://www.dontronics.com/First-pc.html 08:44- PBUFF prototype 18:38 – Photon, the...
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EEVblog 1620 – Deye Solar Hybrid Inverter EXTREME TEARDOWN
Extreme teardown of the Deye SUN-5K-SG04LP1 5kW hybrid solar inverter. Will it contain the quality components claimed? Also a topology reverse engineering of all the stages. Hi-Res photos: 00:00 – A...
View ArticleEEVblog 1621 – Mailbag: RadiaCode Radiation Monitor + LattePanda Mu Compute...
More mailbag! A look at the RadiaCode Radiation Monitor, and the LattePanda Mu Intel N100 Compute Module. https://www.radiacode.com/ https://amzn.to/3yV5Gp4 https://www.lattepanda.com/lattepanda-mu...
View ArticleEEVblog 1622 – Don’t Make This Multimeter MISTAKE
This is the biggest mistake beginners often make when using a multimeter ohms function. A customer returned an EEVblog BM235 multimeter because it was “Faulty” Was it? Let’s find out what happens when...
View ArticleEEVblog 1623 – Electronex 2024 Walkthrough
Walkthrough of the 2024 Electronex trade show in Sydney. Forum: https://www.eevblog.com/forum/blog/eevblog-1623-electronex-2024-walkthrough/
View ArticleEEVblog 1624 – Electronex: Liquid Instruments Moku Oscilloscope
An interview at the Liquid Instruments stand at Electronex 2024 about the Moku range of multi-function mixed signal oscilloscope, designed and built in Australia! Thanks to Ben Price for answering the...
View ArticleEEVblog 1625 – Electronex: Scope Wars: The Rise of Uni-T
Uni-T are making a surprising move into the mid end instrument market with some custom ASIC based oscilloscopes, spectrum analysers, signal generators and a bunch of other instruments. A talk with Mark...
View ArticleEEVblog1626 – YOU HAD ONE JOB! (Solar Power Install FAIL)
My solar power installer HAD ONE JOB but FAILED. A short story. LOL along as they attempt to reinstall and commision my Enphase microinverter solar power system. Aircon Install FAIL video:...
View ArticleEEVblog 1627 – Electronex: Engineering Consulting with Xentronics
A talk with Scott Williams from Xentronics at the Electronex show about freelancing and running an electronics design consultancy business. https://xentronics.com.au/ The Amp Hour Talk 1:...
View ArticleEEVblog 1628 – Home Solar Power Re-Install + Upgrade + FAIL
Reinstallation of the 5kW Enphase microinverter home solar power system, and installation of a new 5kW Deye Hybrid inverter string system did not go well… Forum:...
View ArticleEEVblog 1629 – Dumpster Find: A3 Colour Photocopier
A Konika Minolta bizhub C284e A3 colour photocopier found in the dumpster. Enjoy Dave’s embarrassment at the redundant teardown. Ebay listing for original modern art print:...
View ArticleEEVblog 1630 – Solar Panels for Water Pre-Heating?
Is it worthwhile to run water through your rooftop solar panels to cool them down while pre-heating your hot water? Or maybe heating your pool? Also solar air and water heaters. As always, YMMV, but...
View ArticleEEVblog 1631 – $230 Micsig MDP700 HV Differential Probe Review
$230 Micsig MDP700 High Voltage Differential probe review and comparison with the older DP10007 and the EEVblog HVP70 probe. Have Micsig fixed the CMRR issue that plauged the DP10007 design?...
View ArticleEEVblog 1632 – WHY sell 2CH Oscilloscopes? + Test Engineering
Why do companies still sell 2CH oscilloscopes? Plus a massive tangent into test and production engineering showing one of my old test engineering projects. LCR meter and Transmission Line Tester...
View ArticleEEVblog 1633 – WAVJA Solar Balls, 60x Better Than A Solar Panel? – Part 1
The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material. Let’s examine claim with Dave’s superior...
View ArticleEEVblog 1633 Part 2 – WAVJA Patent, 300kW Solar Balls?
The WAVJA Photon Energy System is supposed to generate up to 60x the output of regular solar panels using balls made of magical patented woo-woo material. A 60mm ball can generate 300kW in one second!...
View ArticleEEVblog 1634 – 15kWh AERL LFP Home Storage Battery Install
Installing a 15kWh AERL Life2 LiFePo4 solar home storage battery to my Deye inverter. Thanks to Peter Watkinson from AERL, one of my long time viewers! AERL were the first to invent and patent the...
View ArticleEEVblog 1636 – Ultimate Multimeter Beginners Guide
The ultimate beginners guide to multimeters. What are they, how to choose one, and how to use them to measure electrical things. EEVblog meters: https://eevblog.store/ Cheap $20 meter AN8008 Fluke 101...
View ArticleEEVblog 1637: Solar Freakin’ Space Mirrors! – Reflect Orbital DEBUNKED
Reflect Orbital wants to put reflecting mirrors in space to sell sunlight to solar farms after dark. The numbers work out exactly as you expect them to. It’s Solar Freakin’ Space Mirror time!...
View ArticleEEVblog 1638 – NEW Keysight Megazoom V ASIC 1GHz HD3 Oscilloscope!
After 13 YEARS Keysight have finally released the new MegaZoom V ASIC oscilloscope! Let’s take an initial look at the HD3 / HD300 series released today. NOTE: I only had this scope for 24 hours from...
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EEVblog 1639 – Keysight InfiniiVision HD3 Oscilloscope Teardown
Teardown of the new Keysight InfiniiVision HD3 14bit Megazoom V ASIC oscilloscope...
View ArticleEEVblog 1640 – Mailbag: 4k Microscope, Panaplex Displays, Piezo Singing, RF...
More interesting mailbag! 00:00 – Forest M Mimms Make: Maverick Scientist: My Adventures as an Amateur Scientist https://amzn.to/4e7fSup Signed copies:...
View ArticleEEVblog 1641 – How DC Solar Isolators Work (TEARDOWN)
How DC Solar Isolators Work (TEARDOWN) 00:00 – Teardown of Benedict LS25 Solar True DC Isolator Switch 04:29 – How the contacts work 06:02 – How arc chutes and arc barriers work 12:11 – 5000V arc...
View ArticleEEVblog 1642 – Can I Resurrect My First Digital Multimeter?
Can I resurrect my first digital multimeter? A Soar ME-533 Forum: https://www.eevblog.com/forum/blog/eevblog-1641-can-i-resurrect-my-first-digital-multimeter/ 00:00 – My first digital and analog...
View ArticleEEVblog 1643 – DON’T BUY this Cheap 7kW 32A EV Charger
You get what you pay for in EV chargers. Don’t buy this super cheap New Energy brand 7kW 32A EVSE Charger. Does it even meet the IEC 62752 it claims on the label? Or the US UL 2231 standard? MIDA brand...
View ArticleEEVblog 1644 – Mailbag: CrowView Monitor, Casio Game, 4-20mA Encoder, Wurkkos...
More mailbag! 00:00 – Crowview Monitor & Keyboard...
View ArticleEEVblog 1645 – $80 Quick TS11 Soldering Station REVIEW
Is the US$80 Quick TS11 80W Soldering station any good? SPOILER: Nope, it’s pretty terrible. Forum: https://www.eevblog.com/forum/blog/eevblog-1645-$80-quick-ts11-soldering-station-review/
View ArticleEEVblog 1646 – iFixIt FixHub Portable USB Soldering Station REVIEW
FixHub portable soldering station REVIEW https://www.ifixit.com/products/fixhub-power-series-portable-soldering-station Just the iron:...
View ArticleEEVblog 1647 – Road Based Energy AGAIN. Rouute vs R-2ENERGY
You might have thought the Rouute road based energy system was gone, but like a phoenix it has returned from the grifting ashes as R-2ENERGY! Sadly, Discount Morgan Freeman has been replaced by...
View ArticleEEVblog 1648 – USB Battery Bank mAh Capacity ratings are a LIE!
USB Battery bank charger capacity explained. When you are comparing battery banks you want to use a measured Output Referred capacity figure, not an Input Referred mAh or Wh figure the manufacturers...
View ArticleEEVblog 1649 – Mailbag: M5stack, Beelink Mini PC, ZOYI LCR, ToughOn Battery
More mailbag! 00:00 – Everyones favourite segment! 01:00 – The very clever Edge Wedge from Metric Mind – Zero footprint programing header https://metricmind.com/ 05:19 – M5Stack Embedded processor...
View ArticleEEVblog 1650 – Sequre HT-140 SMD Desoldering Tweezers REVIEW
Review of the Sequre HT-140 USB-C Desoldering Tweezers...
View ArticleEEVblog 1651 – Home Electrical Switchboard UPGRADE!
I’m finally upgrading the infamous rats nest home switchboard! https://insightelectrical.com.au/ Forum: https://www.eevblog.com/forum/blog/eevblog-1651-home-electrical-switchboard-upgrade/ 00:00 – A...
View ArticleScanning Vintage Computer Service Manuals – Tandy 1100FD Laptop Computer
A small contribution to the retro computer community, scanning a rare Tandy 1100FD laptop computer service manual. https://eevblog.com/files/Tandy1100FD-Service-Manual-Schematics.pdf...
View ArticleEEVblog 1652 – Why is my Lab Switchboard Wired Like This?
Why is my lab power switchboard wired like this? Forum: https://www.eevblog.com/forum/blog/eevblog-1652-why-is-my-lab-switchboard-wired-like-this/
View ArticleEEVblog 1653 – Alkaline Battery Leakage Testing 2 – Electric Boogaloo
Revisiting the alkaline battery leakage testing with a 555 circuit from a viewer. Forum: https://www.eevblog.com/forum/blog/eevblog-1653-alkaline-battery-leakage-testing-2-electric-boogaloo/ Final...
View ArticleEEVblog 1654 – Lee Felsenstein: The Computer Revolution & Counterculture
A full 3 hour discussion with the legendary Lee Felsenstein, designer of the Osborne 1, SOL computer, VDM-1, Pennywhistle modem, and the inventor of social media. Covering everything from the Berkeley...
View ArticleEEVblog 1655 – How to Discharge Capacitors SAFELY using a Multimeter
You can use almost any decent modern multimeter to safely discharge high voltage capacitor banks WITHOUT a LowZ function. Forum:...
View ArticleEEVblog 1656 – MAILBAG: ElectroPermanent Magnet, DIN PSU’s, Sponge, Beelink...
More Mailbag! 00:00 – DPS Ultrathin DIN 5V PSU’s https://digitalpowersystems.eu/de/standard-produkte/ 01:15 – The Knife 06:16 – USB-C Isolator...
View ArticleEEVblog 1657 – DUMPSTER Samsung 75″ QLED One Connect TV
Almost 30 minutes of tearing down a Samsung 75″ QLED One Connect dumpster TV and trying to power it up to see if it’s busted or not. QA75Q7FNA 00:00 Dumpster Samsung QLED 75″ 04:46 – Teardown wasn’t...
View ArticleEEVblog 1658 – TUTORIAL: Mean vs Median
It’s important to understand the difference between Mean and Median, not just for engineering, but for everyday life, so you don’t get manipulated by people with bad intentions. UBS Global Wealth...
View ArticleEEVblog 1659 – Quick 861 Pro Hot Air Station REVIEW
Review of the new Quick 861 Pro hot air station compared to the original 861DW. Forum: https://www.eevblog.com/forum/blog/eevblog-1659-quick-861-pro-hot-air-station-review/
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