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EEVblog 1376 - Tandy 102 Vintage Computer REPAIR

Dave fixes a rather strange fault in his Tandy 102 portable computer 0000 Tandy 102 0123 The symptom 0540 Teardown 0802 Schematic investigation 1221 Lets take a guess 1829 The suspect 1946 Visual Inspection 2014 Hang on whats this 2044 Probing time 2216 Gotcha 2336 Ok where is it 2549 That aint no coincidence 2820 Winner winner chicken dinner Forum Subscribe on Library EEVblog Смотреть видео...

EEVblog 1585 - SCAM! Portable Kinetic Molecular Heater BUSTED

The Portable Kinetic Molecular Heater is an obvious SCAM We shouldnt have to look at why but lets do it anyway Forum 0000 Portable Kinetic Molecular Heater 0106 Yep its a scam 0306 A look at the ridiculous website claims 0631 It can heat your entire home and melt the snow on your roof 0727 Running the numbers on the Latent Heat equation 1205 The BS comes in many flavours 1514 Teardown Смотреть видео...

EEVblog 1584 - Wireless Freakin' EV Charging Roads! A $250M Boondoggle

The US Department of Transport have authorised a 250M grant program to fund Wireless EV charging roads A look at the pilot program in Detroit Michigan with the startup company Electreon 0000 Wireless EV road charging in Detroit 0115 250M funding from the US Department of Transport 0318 The inductive road coil 0529 This project is a half arsed approach to EV costs 0650 PetrolGas vs Electric Смотреть видео...

EEVblog 1583 - Advanced Oscilloscope Triggering: Glitch/Pulse/Runt/Interval

A practical demonstration on how to use advanced oscillocope trigger features to trigger on an unsyncronised infrequenct runtglitch pulse Includes PulseGlitch Runt Interval Zone triggering and infinite persistence display and waveform update speed demonstrated and explained Using the Rohde Schwarz MXO4 Siglent SDS2154X HD Keysight 3000T Tektronix Series 2 and the Rigol DHO800 Forum 0000 Смотреть видео...

EEVblog 1582 - FNIRSI DPOX180H 180MHz DPO For $123?

A look at the FNIRSI DPOX180H 180MHz Handheld Digital Phosphor Oscilloscope for 123 Forum 0000 FNIRSI DPOX180H 180MHz Handheld Digital Phosphor Oscilloscope 1158 The Sig Gen sucks why bother 1427 Digital Phosphor Display 1506 Amplitude check 1640 Teardown 2502 Batery life 2518 Conclusion If you find my videos useful you may consider supporting the EEVblog on Patreon Or with Смотреть видео...

EEVblog 1581 - Tesla Roadster Now OPEN SOURCE?

Elon Musk just announced that the Tesla Roadster is now open source Do we get schematics Lets have a look Part 2 New Open Source Logo video If you find my videos useful you may consider supporting the EEVblog on Patreon Or with crypto BTC 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC Смотреть видео...

EEVblog 1580 - MacGruber Mailbag

More Mailbag 0000 Mailbag Monday time 0142 T88C Analog Multimeter 0726 Teardown 1211 PCB proto boards from Jon Newcomb 1902 1990 Tandy Catalog from Ant Cross 2804 Alcatel S12 Line Test Card If you find my videos useful you may consider supporting the EEVblog on Patreon Or with crypto BTC 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH Смотреть видео...

EEVblog 1579 - Nuclear Diamond Battery FRAUD Lawsuit By SEC!

The Nuclear Diamond Battery that made a huge marketing splash back in Aug 2020 and raised 12M in funding NDB Inc and its founder Nima Golsharifi is now being sued by the SEC for fraud No product ever existed no testing was ever done and they had no customers Oopsie Original Debunking video Forum If you find my videos useful you may consider supporting the EEVblog on Patreon Or with Смотреть видео...

EEVblog 1578 - No One Can Be Told What The Metrix Is.

A multimeter without any screws A 1990s vintage Metrix MX44 multimeter torn down tested and calibration adjusted Tektronix Multimeter Repairothon Forum If you find my videos useful you may consider supporting the EEVblog on Patreon Or with crypto BTC 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC Смотреть видео...

EEVblog 1577 - History Of Television & Cathode Ray Tubes With Kathy Loves Physics

Kathy Joseph from Kathy Loves Physics joins me on The Amp Hour to discuss history and physics and we end up discussing the intricate history of the development of television and the Cathode Ray Tube Read Kathys Book The Lightning Tamers Forum 0000 Kathy Loves Physics 0245 Philo Farnsworth the farmboy who invented television 1000 Professor Julius Plucker Heinrich Ruhmkorff 1113 Heinrich Смотреть видео...

EEVblog 1576 - Tektronix DMM916 Multimeter Teardown & (Easy) Repair

Easy repair and teardown of the rather obscure Tektronix DMM916 Multimeter Ebay auction Forum If you find my videos useful you may consider supporting the EEVblog on Patreon Or with crypto BTC 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC 0x68114e40ff4dcdd384750500501e20acf3875f8c LTC Смотреть видео...

EEVblog 1575 - TIPA: The World's Most Efficient Solar Panel - BUSTED

TIPA The Worlds Most Efficient Solar Panel raised 293000 on Indiegogo and Kickstarter AND also got a UK government innovation grant for 560000 They claim 3 times the power output of regular solar panels by using mirrors to reflect the light back on the solar cells TIPA Total Internal Photonic Absorption They claim 80 of the light that hits a solar panel is reflected And when challeged by a Смотреть видео...

EEVblog 1574 - REVIEW: Is The $42 Fluke 101 Multimeter Any Good?

Is a 42 Fluke multimeter any good The Fluke 101 reviewed A thanks from Zotek founder Pocket Multimeter shootout Forum 0000 A 42 Fluke 0043 Made in China and the infamous Fluke 19 0127 Fluke 101 vs 106 vs 107 0200 Comaprison with ANENG AN8008 0303 The display vs the AvE Hammer 0353 The range switch 0412 The battery compartment and TL75 probe leads 0609 What are you buying Смотреть видео...

EevBLAB 116 - The SEC Killed LBRY Inc. What Happens To Odysee?

The SEC won its lawsuit against LBRY Inc What does this mean for Odysee But they couldnt kill Open Source Options A Elon buys Odysee B Futo or someone else compatible buys and funds Odysee asis C It just gets gobbled up thrown in the trash by the likes of Google or one of the other biggies D The new owners creditors just shut it down Louis Rossmann and GrayJay Forum If you find my Смотреть видео...

EEVblog 1573 - TEARDOWN: How A Rotary (Angle) Pulse Encoder Works

How a Rotary Angle Pulse Encoder works This is entirely different to the normal quadrature phase encoder you have used before A teardown from the Haefely Trench PESD 1600 ESD Tester Unboxing Testing video of 16kV ESD tester Pointless video about toggle switches Forum 0000 This is NOT a regular quadrature rotary encoder 0208 Tool Tip Pin Vice 0541 EDC tool shootout Victorinox MiniChamp Смотреть видео...

EEVblog 1571 - Nobel Prize Winning Mailbag. 121GW, Retro Calcs, Assembly, And Discrete Logic

Bumper mailbag Send stuff to EEVblog Mailbag PO Box 7949 Norwest NSW 2153 AUSTRALIA 0000 Mailbag 0018 Barry Marshall Nobel Prize Winner returns a faulty 121GW 0254 Nobel Prize Chocolates 0353 Faulty 121GW 0904 TI SR51 calculator from 1974 1955 TI SR51 Teardown 2515 Digimatic 8 calculator from 1972 2947 More retro calulators and assembly programming book 3229 Lean MultiPlatform Смотреть видео...

EEVblog 1570 - Tesla DIESEL Electric Train At Berlin Gigafactory ?

Tesla unveiled to much fanfare a DIESEL electric train to carry workers to and from their Berlin Gigafactory Not great optics LOL Dave runs the numbers on whether or not they could have used a Battery Electric Train BEMU instead of diesel electric And could they have powered it from the solar panels on the train station roof BEMUs are already operational in Germany Forum Links MSN LINK Смотреть видео...

EEVblog 1569 - A Very Ploopy Open Source Mailbag

More mailbag DIY Open Source Ploopy Headphones EEtackle Probe Holder Intertooth Wireless Bluetooth Networking Console 0000 Mailbag 0024 Ploopy DIY Open Source Headphones 1332 EEtackle Probe Holder 1818 Intertooth Wireless Bluetooth Networking Console If you find my videos useful you may consider supporting the EEVblog on Patreon Or with crypto BTC Смотреть видео...

EEVblog 1567 - Wireless ESD Monitor? - The IONA StatIQ Band TESTED

Does the 1200 IONA Tech StatIQ wireless ESD monitor band actually work or is it just BS And if so how does it work IONA Tech video Wiresless ESD strap BUSTED ESD Explained ESD Playlist Mud Run DIY Field Mill project Forum 0000 A wireless ESD monitor The IONA Tech StatIQ Band 0206 The Electric Field Mill sensor 0327 The Android app and does it actually work 0615 ESD ground impedance Смотреть видео...

EEVblog 1566 - Rigol DHO800 12 Bit Oscilloscope FULL REVIEW

Has the new Rigol DHO800 and DHO900 oscilloscope changed the game in low end scopes Starts at 299 with 12bit ADC HDMI VESA mount and USBC power Teardown Fan upgrade test DIY Battery Forum 0000 History of game changing Rigol Oscilloscopes 0327 All the DHO1000 and DHO4000 goodness 0514 Compared to the DS1054Z 0552 The DHO900 0638 Unboxing 0707 Liteon USBC PSU 0730 Its TINY 0842 VESA Смотреть видео...