Teardown of the Anova Precision Sous Vide CookerMark Furneaux2024-10-20 | Teardown of the Anova Precision Sous Vide CookerSamsung TV Killed by Yellow Glue of DeathMark Furneaux2022-11-14 | Quick fix thankfully. Video on UPSes with this glue: youtu.be/9gqBzLNMFe4
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwAMD RX 6650 XT on a 20 Year Old 850MHz Pentium 3Mark Furneaux2022-09-28 | Let's take the trend of "new GPU old CPU" a little further than usual by going beyond when PCIe was invented. Demo starts at 15:36. Sorry for the CRT flicker. I didn't notice the frame rate difference until I started editing.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwInside a Power Bar After a Surge, and How MOVs WorkMark Furneaux2021-11-12 | Got this used power bar. Noticed a rattle. Looks like it's seen some lightning. This is why you check used things. Nothing that can't be fixed. Also a little explanation of how MOVs work in protection equipment and a little rant about how I think a lot of surge protector ratings are misleading at best.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwTeardown of an Ingenico iWL250 Payment TerminalMark Furneaux2021-10-05 | A look into the physical security techniques used to protect the digital secrets in a relatively modern wireless credit card POS terminal. I have a second channel:
youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwModding a New ATI Rage XL PCI GPU to Work on a Vintage MotherboardMark Furneaux2021-09-28 | Sneaky cost optimization causes these cards to not work on old hardware, so I show you a simple mod to allow them to work. I have a second channel:
youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwHow To Build A Slow Charge Cable To Extend Your Phones Battery LifeMark Furneaux2021-09-16 | How to build yourself an adjustable slow charge cable to extend battery longevity in phones and USB charged devices. Skip to 9:25 if you already know about batteries.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwMicroFurnace, the $500 Space Heater from 1986 (Teardown)Mark Furneaux2021-08-29 | Pelko made these first edition ceramic PTC heaters in Canada before moving production to Taiwan. This is an early 3-blade model with 4 round pucks.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwSintech Clone SD to IDE Adapters and Linux FixMark Furneaux2021-08-26 | These Sintech cloned adapters (some branded Sintechi) stop working when partitioned with a Linux OS. I did some investigation and found a workaround.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwCyberPower UPSes Contain Conductive Yellow Glue of Death (+ Bonus Rev. 2 Dim LCD Fix)Mark Furneaux2021-05-29 | The CP1500PFCLCD and CP1350PFCLCD UPSes of at least rev 1 and rev 2 over the last 10 years contain yellow glue which becomes conductive and corrosive over time which can cause sometimes fiery failure. Also included is some ramblings of the notorious rev 2 LCD backlight failures and my attempt are rebuilding the backlight.
Timestamps: 0:00 Intro 8:18 Taking the unit apart 10:47 Glue locations 14:09 Rev 2 differences 19:05 LCD backlight fix
I do have access to a rev 3 unit, but have not taken it apart yet. I will update this once I know if it is also affected.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqw1991 Technics SA-GX303 Receiver Cooling ModMark Furneaux2021-04-28 | These are notorious for melting down due to unfortunate design. After a repair, I wanted to update the design to never fail again. I'm sure I went overboard, but it's cool and quiet and I like both those things. I ended up using the 45-55C temperature range on the controller in the end after extended load testing.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwThe Clapper Teardown: 1984 vs 2020 DesignsMark Furneaux2021-03-28 | Love it or hate it, it'd been 35 years of manufacturing the same product. Let's reverse engineer them and see what's changed.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwAcer Infrared Wireless Keyboard/Mouse from 1998 (Sealed in Box)Mark Furneaux2021-03-26 | Found this at a thrift store and could not pass up the opportunity to be the one to open the shrink wrap after 23 years. Not entirely useless even today. Model WIL-172U.
Who can spot the grammatical error on the box?
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwMy New Supermicro File ServersMark Furneaux2021-03-22 | I bought a newer-generation Supermicro 847 system to replace my production storage server after moving the old one to backup duty after upgrading my storage pools.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwHow To Silence a Supermicro 4U Server (or Really Any Server)Mark Furneaux2021-03-22 | Detailed how-to on constructing a custom fanwall out of EVA foam for retrofitting larger, quieter fans with noise dampening. Can be applied to almost any server.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwFixing Blown Tweeter in the Abstract Acoustics 101D/IIMark Furneaux2021-03-19 | Going about how I found a nearly-identical replacement part for a 35 year old speaker system made by a small company which went out of business before the Internet.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwCyberPower UPS Battery Percentage is Fake When ChargingMark Furneaux2021-03-12 | On discharge the percentage is derived from voltage curve. On charging... it's a timer!? At least on the CP1500PFCLCD it is.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwFixing the Flawed Speaker Protect Circuit in the Schiit Lyr 3 Amp/DACMark Furneaux2021-02-06 | Does your Lyr 3 cut out when playing windy videos and certain songs? This fix is for you. Includes how to take it apart and circuit reverse engineering.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwA Great Electric Screwdriver but with Gears Made of Cheese: Post-Failure TeardownMark Furneaux2021-01-11 | If only the gearbox was larger this would be a perfect tool for me.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwFixing the Switches in my SteelSeries Sensei Pro MouseMark Furneaux2020-09-03 | Let's retrofit new switches which should never wear out in my lifetime. Making new custom skates.
To clear up the technology naming, PRIME is a rendering offload technique, whereas Optimus is the dual GPU solution. So all systems using PRIME are Optimus configurations, but not the other way around.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwFixing A Dead Server Motherboard + Troubleshooting TipsMark Furneaux2020-06-24 | This ASUS P8B-X motherboard was discarded after it failed in service. Let's bring it back to life with ordinary tools. Step by step analysis of memory, voltage rails, oscillators, BIOS, etc.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwHow to Workaround Using a TV With Lines in The ImageMark Furneaux2020-02-09 | With Linux and xrandr you can make a TV or monitor with a dead section usable again.
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youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwHow to Quickly Test UPS Batteries Without the UPS ItselfMark Furneaux2020-01-25 | The method start at 4:37 (apparently I'm a fly who can't remember to put timecodes in the video).
Some car battery testers can be used with UPS batteries to quickly and easily tell how much life remains using internal resistance measurements.
Long time no videos. Also, did I just subconsciously steal Ben Krasnow's outro?
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqw1953 IBM Model A Electric Typewriter Repair Part 1Mark Furneaux2018-05-21 | In this video I go over the device and theory of operation, and fix the power switch, key lockout mechanism, and single character carriage advance/backspace.
Timestamps: 3:52 - recap of unfilmed work 6:18 - removing cover 11:44 - underside 12:33 - key lockout mechanism problem intro 15:58 - theory of power transfer 21:25 - shift lock 22:47 - tab feature 25:27 - spacebar problem intro 28:17 - carriage return problem intro 29:28 - carriage tour 33:08 - disassembling power switch 35:29 - cleaning power switch 37:42 - fixing key lockout mechanism 38:12 - fixing spacebar problem 43:15 - first power up after fixing spacebar and demo 47:28 - reinstalling power switch and second power up
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwSupercapacitor Conversion of a Tripp-Lite UPSMark Furneaux2017-12-03 | I modified this old UPS to run on a supercapacitor bank. The runtime is still quite usable on the low cost capacitors. Detailed work begins at 11:40.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwWiFi Plant Monitor Project IntroMark Furneaux2017-11-22 | This board is sold under several names. I'm writing some firmware and a web service for collecting plant data.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwReview of a Generic USB RS 232/485/TTL Adapter (Winners branded)Mark Furneaux2017-10-08 | These are all over eBay, and not much information is published. I thought I'd shed some light on the RS485 implementation.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwSwapping Hard Drive Calibration Chips To Fix Bad DriveMark Furneaux2017-07-28 | When the molex to SATA adapter caught fire on this board, certain features stopped working. Let's fix that without spending $200.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwOverview of My New Supermicro File ServerMark Furneaux2017-07-27 | I recently picked up a used Supermicro file server. This is the first of a few videos regarding the topic.
I have a second channel: youtube.com/channel/UCN3Dgu6CVBcecDkc5DmIIqwThe Cheapest IDE to SATA AdapterMark Furneaux2017-05-04 | It actually works, albeit with a bit of fussing. You can find these on eBay by just searching "IDE SATA".