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EEVblog

David L. Jones

No Script, No Fear, All Opinion

education

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40:39

EEVblog 1717 – Rigol’s INSANE New $999 350MHz...

EEVblog ·

2025/11/03

Rigol have released the new MHO900 series mixed signal oscilloscope. For $999 entry level MHO934 you get 4CH 350MHz 12 bit at 4Gs/s, this is insane! Teardown of the special edition 1GHz MHO98 (still only $1399!) https://www.rigol.com/intl/products/oscilloscope/MHO900.html https://www.rigolna.com/products/digital-oscilloscopes/mho900/ In Australia: https://emona.com.au/quick-links/rigol/ 00:00 – Special Limited Edition MHO98 01:07 – DHO900 vs MHO900 03:06 – Is …

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22:26

EEVblog 1716 – University Dumpster Diving – Kikusui...

EEVblog ·

2025/10/25

A viewer went dumpster diving at the University of Technology and found some classics. Teardown and playing with a Kikusui DSS5040 Analog/Digital Storage scope. Plus a classic Australian BWD 603B Mini-Lab Manual: https://www.eevblog.com/files/Kikusui_DSS5040_E.pdf 00:00 – University Dumpster diving time! 02:46 – Kikusui DSS5040 Analog/Digital storage oscilloscope 07:12 – Teardown 10:51 – Power On 17:14 – …

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21:55

EEVblog 1715 – Euler Precision eSAP-30 3GHz Active...

EEVblog ·

2025/10/23

Swiss company Euler Precision have a new 3GHz active probe on Crowd Supply, let’s take a look. https://www.crowdsupply.com/euler-precision/esap-30 00:00 – The Euler Precision eSAP-30 Active Probe 01:26 – The problem with passive probes, Capacitance Reactance 03:31 – Unboxing 05:55 – Open Source? 06:46 – It’s all about the probe accessories 08:08 – Measurement report 10:02 …

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29:00

EEVblog 1714 – Presonus Eris Speaker REPAIR...

EEVblog ·

2025/10/17

Classic intermittent “popping” noise from this Presonus Eris 5 studio monitor speaker. Electrolytic Capacitors are suspect number one. 00:00 – Faulty Presonus Eris 5 speaker. Classic “popping” sound. 03:48 – Teardown 07:16 – Testing for popping again 07:36 – Testing for hiss 08:32 – Rectified voltage testing 09:34 – Woah, that’s that? 10:26 – Getting …

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16:53

EEVblog 1713 – CRAZY Density Magnetic Core Memory...

EEVblog ·

2025/10/10

A look at the crazy ferrite core density in the Ampex 1600 16k x 18 bit word magnetic core memory from Ampex Memory Products Division, used in the Mitra 125S computer for the Spacelab program on the Space Shuttle. 00:00 – Magnetic core memory 01:52 – How magnetic core memory works 07:12 – Ampex high …

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9:00

EEVblog 1712 – CSIRO Mobile Space Mission Control Centre

EEVblog ·

2025/10/10

A tour inside the brand new CSIRO Mobile Mission Control & Operations Centre, built inside a b-double truck. Dr Mark Dunn gives us a tour of the new fitout. https://research.csiro.au/moc/ Purpose-built, the b-double trailer deploys into a fully operational mission control centre that can accommodate up to 30 mission operators, each supported by configurable multi-monitor …

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eevBLAB 133 – YouTube Just Self Destructed (AI Shorts...

EEVblog ·

2025/10/01

YouTube have just released new AI video Shorts features built into the Youtube app itself. Let’s create an AI slop Short in minutes using Veo 3 and see what fresh new hell you’re in for on Youtube. If you thought AI slop was already bad enough on Youtube, it’s just leveled up. https://aardvark.co.nz/daily/2025/0918.shtml Forum: https://www.eevblog.com/forum/blog/eevblab-133-youtube-just-self-destructed-(ai-shorts)/

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53:23

EEVblog 1711 – International Astronautical Congress...

EEVblog ·

2025/10/01

A walkaround of the show floor of the International Astronautical Congress IAC 2025 in Sydney Forum: https://www.eevblog.com/forum/blog/eevblog-1711-international-astronautical-congress-iac-2025-walkaround/

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30:00

EEVblog 1710 – Mailbag: Tennismatic, Breadboards,...

EEVblog ·

2025/10/01

More mailbag! 00:00 – Tennismatic saw my repair video! 03:23 – Stickers 04:34 – Offerman Industries DC-DC Boost Converter Datasheet: https://www.omnionpower.com/assets/pdfs/windchill/data-sheet/abxs001_ds.pdf https://offerman.industries/products/32-54v-adjustable-output-dc-dc-step-up-boost-converter-8-16v-wide-input-65w-output 05:59 – Bypass Capacitors in Parallel? 07:51 – Sexy clear solder mask 11:25 – Load Testing https://www.covingtoninnovations.com/ https://juniorgeniuskits.com/ 16:35 – Book:

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46:36

EEVblog 1709 – Haasoscope Pro USB Oscilloscope: An...

EEVblog ·

2025/10/01

Was supposed to be a regular mailbag with multiple items, but this Haasoscope Pro was a 1.5hrs of raw footage adventure I have edited down to 45min, warts and all. So no other items, just this. TLDR; This open source 2GHz 3.2GS/s USB Oscilloscope needs a lot of work… This is not a full review, …

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8:56

EEVblog 1708 – What’s This SMD Part?

EEVblog ·

2025/10/01

Another viewer question, can we identify this SMD component? https://x.com/Joostnietsmeer/status/1967941676061823401 Forum: https://www.eevblog.com/forum/blog/eevblog-1708-whats-this-smd-part/

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21:42

EEVblog 1707 – REPAIR: Goal Zero Yeti 400 Lithium...

EEVblog ·

2025/09/10

Dave’s Goal Zero Yeti 400 lithium ion battery failed. Repair time. Forum: https://www.eevblog.com/forum/blog/eevblog-1707-repair-goal-zero-yeti-400-lithium-battery/ 00:00 – Goal Zero Yeti 400 Battery failure 01:32 – Hiccuping 03:28 – Teardown 04:47 – Failure hypothesis and potential solution 05:37 – The mains inverter PCB 06:43 – The control PCB 07:36 – Dual battery connectors 08:09 – Measuring the dual …

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17:52

EEVblog 1706 – K8 Wrist Worn Multimeter REVIEW

EEVblog ·

2025/09/05

Is a wrist worn multimeter actually useful? A review of the CZDANG K8 https://s.click.aliexpress.com/e/_opDFvin Use coupon code “doesntsuck” for 10% off the EEVblog 1980s pocket multimeter EEVblog 1980s Pocket Multimeter Forum: https://www.eevblog.com/forum/blog/eevblog-1706-k8-wrist-worn-multimeter-review/

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33:14

EEVblog 1705 – The World’s First Desktop Personal...

EEVblog ·

2025/08/29

The world’s first desktop personal computer wasn’t the Apple 1 or the Altair 8800. It wasn’t even the HP 9100A, it was the Olivetti Programma 101 from 1965! Computer Teardowns don’t get much more vintage than this. Forum: https://www.eevblog.com/forum/blog/eevblog-1705-the-worlds-first-desktop-computer-teardown/ Links: http://www.oldcomputers.arcula.co.uk/calc3.htm https://bellini.it/portfolio-articoli/mario-bellini-designer/

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23:05

EEVblog 1704 – WTF? The ANENG 626 Multimeter REVIEW

EEVblog ·

2025/08/23

WTF is this design? The ANENG 626 Smart Multimeter Forum: https://www.eevblog.com/forum/testgear/aneng-626-multimeter-hell/ 00:00 – ANENG 626 Unboxing 02:14 – Charging + USB isolation test. CAT III 600V LOL 03:32 – Power on and UI 05:20 – UI Design Hell + Chocolate Wheel mode. Every child wins a prize! 06:26 – Continuity mode 07:13 – Screen angle …

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28:38

EEVblog 1702 : A Most Interesting REPAIR

EEVblog ·

2025/08/19

A repair of this Tennismatic T1000 remote control was way more interesting than I expected. https://tennismatic.com/main/page_products_ball_machines_t100_series.html Forum: https://www.eevblog.com/forum/blog/eevblog-1702-a-most-interesting-repair/ 00:00 – Tennismatic 1000 Tennis ball machine remote control 00:53 – Battery snap ohms measurement 01:17 – Battery current measurement 02:29 – It’s a row/column thing 02:57 – Teardown 05:20 – Membrane inspection 06:44 – Membrane keypad …

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1:09:31

EEVblog 1701 – $599 Australian Made Moku:Go...

EEVblog ·

2025/08/14

The $599 Moku:Go from Liquid Instruments is an Australian designed and manufactured USB/Ethernet/WiFi instrument, with 14 instruments in 1, and a 4 channel power supply. Oscilloscope, Voltmeter, Logic Analyser, Waveform generator, Frequency Response Analyser, Lock in Amplifier, Laser Lock Box, Spectrum Analyser, PID Controller, Digital Filter, FIR Filter Builder, Data Logger, Pattern Generator. https://liquidinstruments.com/products/hardware-platforms/mokugo/ 00:00 …

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49:33

EEVblog 1699 – µTimer PROJECT Part 1 – The LCD

EEVblog ·

2025/08/01

Part 1 of the µTimer project, a versatile benchtop lab timer. Choosing the LCD, and getting two sample LCD’s running. One using a demo board, and one that needed to be hacked onto a Raspberry Pi. 00:00 – Benchtop Lab Timer Project 01:19 – It’s all about the choice of LCD 03:14 – ERC19624-1 192×64 …

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36:40

EEVblog 1698 – Awesome Ebay AC Power Source: GW...

EEVblog ·

2025/07/25

I scored this GW Instek APS-7050 Precision AC Power Source on Ebay, let’s check it out. Forum: https://www.eevblog.com/forum/blog/eevblog-1698-awesome-ebay-ac-power-source-gw-instek-aps-7050/

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18:39

EEVblog 1697 – What’s Up With Different Brand Op-Amps?

EEVblog ·

2025/07/21

Why does this Uni-T UDP6731 PSU use different brand LM358 opamps on the same PCB? All about Bill Of Materials, SMD pick and place machines, suppliers and specifications. Links: Jellybean Opamps: https://www.youtube.com/watch?v=uq1DMWtjL2U NESS Factory tour: https://www.youtube.com/watch?v=bTij7Juj5qE http://www.artschip.com/pdf/LM358.pdf

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