EEVblog

By David L. JonesTechnology Education

EEVblog episodes

February 24, 2024 EEVblog 1600 – Rouute: Road Based Energy BUSTED
ouute: Road Based Energy! Harvest kinestic energy from cars using speed bumps. Will this decarbonise and save the planet? Do the numbers add up?
https://www.rouute.com/road-based-energy
Discount Morgan Freeman promo video: https://www.youtube.com/watch?v=uGw2lcTS1gs
Introducing Rouute test video: https://www.youtube.com/watch?v=BxnksdL5nx8
https://www.electricaltimes.co.uk/worlds-first-road-based-energy-recovery-system-set-to-launch-to-market-to-help-drive-net-zero-agenda/
https://www.business-live.co.uk/manufacturing/grimsby-start-up-could-generate-26824298
https://www.facebook.com/rouutetechnologies/
Kinetic Energy Calculator: https://www.calculatorsoup.com/calculators/physics/kinetic.php
Forum: https://www.eevblog.com/forum/blog/eevblog-1600-rouute-road-based-energy-busted/
00:00 – Rouute Road Based Energy
01:58 – Discount Morgan Freeman narrates the video
03:21 – UN Goal 7 compliant
04:40 – The founder explains and shows a testing video
06:37 – Let’s look at their info pack
09:03 – Can we get serious now?
11:19 – Reminds of PaveGen that is still gaining millions in funding for energy harvesting pavements
12:41 – You canna’ change the laws of physics Captain!
13:30 – Let’s calculate the Kinetic Energy viability using their numbers
14:34 – They seem to be out by an order of magnitude at least…
16:15 – Converting kinetic energy into electrical energy is just energy THEFT on flat roads
19:57 – It works, but is all but impractical in most circumstances.
0 min
February 24, 2024 EEVblog 1599 – TOP 5 Jellybean Bipolar Transistors
The TOP 5 Jellybean Bipolar Junction Transistors (BJT)
00:00 – What is a Jellybean Component?
01:30 – Low Power BJT: 2N3904 / 3906, SMD Marking 1A
06:49 – 2N2222
08:52 – BC547 fanboys
09:28 – Medium Power BJT: FMMT617-619 / 717-719
12:27 – SS8050 / 8550
15:08 – High Power BJT: 2N3055 / 2955
17:09 – Sneaky MOSFET, and the differences from BJT’s
19:30 – High Voltage BJT: FZT458 / 558, FMMT458/558
Jellybean Series Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHv268f0mW5m1t_hq_RVGRSA
Forum: https://www.eevblog.com/forum/blog/eevblog-1599-top-5-jellybean-bipolar-transistors/
0 min
February 12, 2024 EEVblog 1598 – ANENG AC11 Socket Tester TEARDOWN + SCHEMATIC Reverse Eng
Teardown and reverse engineering of the ANENG AC11 Smart Mains Socket Tester + DaveCAD schematic.
Forum: https://www.eevblog.com/forum/blog/eevblog-1598-aneng-ac11-socket-tester-teardown-schematic-reverse-eng/
00:00 – ANENG AC11 Mains socket wiring tester
00:59 – Simple mains passive socket tester with neon bulbs
03:33 – Fluke ST240+ RCD Socket Tester
06:06 – Testing
07:14 – Teardown
10:54 – The multi colour segmented LCD
12:15 – Reverse Engineering Schematic
14:54 – Chipset Datasheet
20 min
February 07, 2024 EEVblog 1597 – Zoyi ZT-703S $80 2CH 50MHz Oscilloscope/Multimeter Review
Looking at the new $80 Zoyi/Zotech ZT703S Dual channel 50MHz 25,000 count 0.05% handheld oscilloscope/multimeter compared to the single channel 10MHz 10,000 count ZT702S
ZT-702S review: https://www.youtube.com/watch?v=aUU-PGUnd0E
Forum: https://www.eevblog.com/forum/blog/eevblog-1597-zoyi-zt-703s-$80-2ch-50mhz-oscilloscopemultimeter-review/
Hi-Res photos:
00:00 – The new $80 ZT-703S vs the $60 ZT-702S
03:40 – Power on and screen differences
06:25 – Multimeter
07:49 – The Bargraph is still a complete JOKE
08:50 – Power-off memory test
09:41 – Dumb Arse Dave BRICKS the ZT-702S !
10:23 – The SAME current measurement FAIL
12:19 – 0.05% ?
13:17 – Same BNC connector issue
13:44 – The signal generator is still a joke
15:53 – Trigger level issue FIXED
16:39 – Range overload bug FIXED
19:10 – Teardown
25:07 – Oops…
25:21 – Battery life and current consumption test
26:54 – Conclusion
30 min
February 01, 2024 EEVblog 1596 – NEW Digilent Analog Discovery Pro ADP2230 TEARDOWN
Teardown of the UNRELEASED Digilent Analog Discovery Pro ADP2230
It will be released on the 29th Feb 2024 for US$695
Featuring the AvE Widlarizer!
Hi-Res photos:
Analog Discovery 3 Review: https://www.youtube.com/watch?v=5SbNnaMM1tQ
00:00 – Mystery Mailbag – The Analog Discovery Pro ADP2230
02:24 – Turns out this won’t be released for 2 months!
02:58 – Product comparison with Analog Discovery 3
03:59 – Not even the Beta software has support yet
04:33 – Lower cost Pro model
06:01 – First impression
08:31 – Teardown
10:09 – This calls for the AvE Widlarizer!
11:19 – PCB
14:08 – PCB comparison with AD3
15:57 – Oscilloscope Front End
18:18 – Conclusion
Forum: https://www.eevblog.com/forum/blog/eevblog-1596-new-digilent-analog-discovery-pro-adp2230-teardown/
21 min
January 28, 2024 EEVblog 1595 – 50 Year Chinese Nuclear Diamond Battery!
A Chinese startup has developed a tiny 50 year life diamond nuclear battery that’s going to change the world! Yeah, nah. Same old betavoltaic, same old limitations, and same old startup marketing hype.
Beijing Betavolt New Energy Technology Co., Ltd.
https://www.betavolt.tech
https://www.betavolt.tech/359485-359485_645066.html
https://www.betavolt.tech/cp_531390.html
https://newatlas.com/energy/betavolt-diamond-nuclear-battery/
https://www.neimagazine.com/news/newschinas-betavolt-develops-50-year-nuclear-battery-11439320
https://world-nuclear-news.org/Articles/Nuclear-battery-Chinese-firm-aiming-for-mass-mark
https://www.chinadaily.com.cn/a/202401/16/WS65a68ff7a3105f21a507c9b7.html
https://www.greencarcongress.com/2024/01/20240114-betavolt.html
https://www.batterypowertips.com/betavolt-achieves-miniaturization-of-atomic-batteries-with-50-year-autonomy/
https://www.eurasiantimes.com/chinas-nuclear-battery-can-power-mobile-phones/
https://www.thediplomaticaffairs.com/2024/01/13/the-dawn-of-nuclear-batteries-and-the-potential-reshaping-of-the-global-economy/
https://www.bristol.ac.uk/media-library/sites/cabot-institute-2018/documents/Diamond_battery_FAQs_Nov_2016.pdf
https://www.bristol.ac.uk/media-library/sites/cabot-institute-2018/documents/Diamond_battery_FAQs_Nov_2016.pdf
https://en.wikipedia.org/wiki/Diamond_battery
Nuclear Diamond Battery Debunked: https://www.youtube.com/watch?v=uzV_uzSTCTM
Nuclear Diamond Battery FRAUD!: https://www.youtube.com/watch?v=5M5MF6KE-jY
Mailbag with Nuclear Tritium battery: https://www.youtube.com/watch?v=yNQCaSNIrEM
Casio calculator test: https://www.youtube.com/watch?v=qo0mizb3CE8
Forum: https://www.eevblog.com/forum/blog/eevblog-1595-50-year-chinese-nuclear-diamond-battery!/
18 min
January 28, 2024 EEVblog 1594 – Inside a Quantum Computer! with Andrea Morello
An in-depth look at the engineering inside a quantum computer, and also demonstrating the operational results live and how they are measured.
With Professor Andrea Morello who is the Scientia Professor of quantum engineering in the School of Electrical Engineering and Telecommunications at the University of New South Wales, and a Program Manager at the ARC Centre of Excellence for Quantum Computation and Communication Technology.
Previous in-depth discussion on how quantum computers work: https://www.youtube.com/watch?v=jDW9bWSepB0
1 hr 35 min
January 28, 2024 EEVblog 1593 – 16kV ESD Tester REPAIR – Part 2
Repairing the Haefely Trench PESD-1600 ESD Tester, plus some testing and discussion of the IEC 61000-4-2 standard.
Part 1 teardown: https://www.youtube.com/watch?v=-xtZvSG4N9I
Rotary encoder teardown: https://www.youtube.com/watch?v=UgpHZisG1PQ
Forum: https://www.eevblog.com/forum/blog/eevblog-1593-16kv-esd-tester-repair-part-2/
00:00 – Repair of the Haefely Trench PESD-1600 tester
01:40 – Special snowflake rotary encoder test
03:15 – Laugh at Dave as he solders before looking
05:06 – Nothing worse than a floppy pin
07:09 – Soldering the switches
11:01 – The reassembly nighmare
18:52 – Does it work?
19:53 – Battery pack replacement
22:27 – ESD Testing that’s good enough for Australia
28 min
January 11, 2024 EEVblog 1592 – Fluke 287 Multimeter Teardown
Fluke 287 Multmeter Teardown.
HiRes teardown photos:
Testing video: https://www.youtube.com/watch?v=FgkD8K0Ssdc
Forum: https://www.eevblog.com/forum/blog/eevblog-1592-fluke-287-multimeter-teardown/
18 min
January 07, 2024 EEVblog 1591 – MORE Colas Wattway Solar Cycleways in the Netherlands!
Colas Wattway is back with the two 1000sqm solar cycleway installations in the Netherlands!
The Dutch are riding their bikes on two new solar cycle paths
Just 4 months ago! https://www.youtube.com/watch?v=305EVbcCub4
Forum: https://www.eevblog.com/forum/blog/eevblog-1591-more-colas-wattway-solar-cycleways-in-the-netherlands!/
Some FAIL articles:
https://nos.nl/artikel/2484255-innovatief-zonnefietspad-bij-maartensdijk-levert-bijna-niets-op
https://www.dutchnews.nl/2023/07/solar-bike-path-fails-to-meet-electricity-targets-again/
https://www.wattisduurzaam.nl/37168/energie-beleid/utrechts-zonnefietspad-op-koers-voor-40-van-beoogde-opbrengst/
https://www.wattwaybycolas.com/en/references/photos.html
https://www.colas.com/en/media/press-releases/commissioning-two-wattway-photovoltaic-cycle-paths-netherlands/
https://s.www.colas.com/cdn/ff/t-EqIdIPRtCiY46vASJDMezejJHibBO8DoRPk9njM5Y/1702047018/public/2023-12/20231211_pr-colas_wattway-in-the-netherlands.pdf
23 min