How to best enjoy “The Real”

Just sit back, relax, and light off a bad CPU fan.

This CPU fan is off a $LOLWTF robotic broadcast camera control system. “Enter Bearing”? Sleeve bearing. They cheaped out on the fan!! Why?! When you pay THAT MUCH for a product, is it wrong to expect it to be built to last?

Well then. This is more enjoyable than a badly done demonstration of how to give yourself waves by braiding your hair and baking it to death with a flat iron.

I may just be the new guy buuuut…

Why? Why does a burned out Evertz VIP multi-viewer card smell like sightly burnt pancake syrup?! The card won’t show any signs of life upon receiving +12vdc power from the Evertz Multiframe. It’s gonna go back for some tender loving care at the factory.

We’ve had a rash of failures on these boards as of late and that makes life interesting when there are a LOT of them in service throughout the facility.

The soundtrack for pondering this nonsense is below.

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One horribly expensive short stack.
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Audio input section. The card can take audio from all the incoming sources.
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Something down in this area smells like pancakes. This is between two of the three cards.
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Strangest. Flapjack. Ever.

Thanks to Shane Toven for revealing the likely underlying cause of all the failsauce: cooling!

Evertz 7700 frame: cooling is via two small fans on the back.
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Newer 7800FR-QT frame: this is apparently the low noise version. The 7800FR has the same design as above but the -QT gives you this wonderful front panel:

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It's like a gust front in your rack.

Guess which one I like better? 😉

My pokemans, let me show u them

Preparing for renovations of the engineering office here at work. I just got my bench and organized it aaaaand it’s gone– gone to get bigger and better. Oh well. Here, have some random nonsense.

I want to make a little collage of any ICs I find that were made the same week I was born. Some of the Z80 peripheral chips below are close but no cigar. They’re the right quarter, but a few weeks off.

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Wild 741 appeared
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Z80 peripherals
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SGS fabbed in Italy???
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RCA amplifiers still in service, using germanium transistors
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Spaghetti Junction
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I heard those things are awfully loud...
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The sunset in North Bay Village
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Frank and beans.

Your guess is as good as mine (random tech shitpost)

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No clue what this supplied power to, it’s above the telco room door. Curious ballast resistor on right. Cap is rated 200vdc. Rectifier tube is, uhh— a rectifier tube— I didn’t look
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Blowdown controller for HVAC water system, I guess. (Prevents excessive buildup of minerals in water from evaporation)
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Twinax. TWINAX.
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Old Western Electric gear
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The creme de la WTF? Barber Colman Micro 8000 automation system…. SPEAKER WIRE ran from it to each HVAC thermostat and— I’m… not sure I even want to know…
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Line printer. lp0 is thankfully not on fire
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I wonder what the print mechanism looks like?
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I have no idea other than… this… is the most ratchet looking piece of HVAC gear I’ve ever seen. I think it’s used for heating via hot water? The blower was running.
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Tellabs program amplifier card in a really neat RF shielding enclosure… that someone forgot to slap the lid on…
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Would you like to play a game? It’s called “don’t break the ceiling tile” I probably washed five pounds of tile out of my hair that night
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This stripper works great on the jacket of cat5 cable and will only set you back $70. Wait, what?
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〜 a e s t h e t i c 〜
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𝓲𝓽 𝓼𝓸𝓾𝓷𝓭𝓼 𝓵𝓲𝓴𝓮 𝓭𝓸𝓷𝓰𝔃𝓵𝓸𝓵
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Thrift store find for $5.. It works! Batteries do not go onboard; it uses an external charging supply and household plug style sync. Gold spot on the right is a very very gold plated photodiode used for auto metering. Capacitor reformed after a few shots and annoyed the staff of the thrift store who begged me to stop testing the thing and just buy it and get out of there

Anyone know where I put my MU cables?

“All mentions of the word ‘chameleon’ should be preceded by five commas. In all other instances, they come and go.” – @FakeAPStylebook

Now this is why you don’t let me play with your model trains. They wind up with gnaw marks.

This one needed to be put on a track where it moves forward when triggered by a sensor, then moves back.

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I had two options here:
A) interface to the locomotive’s onboard controls and use extra sensors and aaaaaaaaaaaaaaaa—–
B) simple DC control using relays and diodes

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Oh my glob it’s busy in there

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The motor has a tachometer sensor – I guess you can really tell it “okay, go scale speed of 79″…

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Yaaaaccckkkk. Wire nutted leads go to chassis ground and third rail.

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One of the drive motors and the smoke machine

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Bro, do you even vape? (I opened it to see what the motor was all about. It’s a fan to propel the smoke upwards.)

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One of my favorite Arduino clones, and the relay board. This controls two identical train setups. One relay on each side starts and stops the train, the other sets the direction.

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Leftover parts. I removed the extra bits because it’s remarkably hard to get the top back onto the locomotive with all that in there– it kind of barely fit!! I’m keeping the harnesses as intact as possible in case anyone ever wants to reverse the modification.

The way it works: I have each track installed with a gap in its third rail.

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At each end of the line is an isolation block to stop the train. Its travel direction is determined by the DC power polarity. That being the case, I used a diode in line with each end section to essentially make it a one way street leading back from where the train just came in. The train will move until it loses power due to the diode being reverse biased, but flipping the polarity will give it power again to move the other way.

Originally I thought I was going to need more relays and other jank until I realized it just didn’t have to be that hard. 🙂

As for the title, no, I’m not just referencing the Principia Discordia again, it’s referring to the Multiple Unit cables used to control a locomotive from the cab of another leading or trailing locomotive, or from a cab car on the opposite end of a passenger train. Prepare to laugh about the fact that the Woodward Governor is basically a mechanical digital to analog converter with pseudo BCD inputs feeding a hydro-mechanical comparator to set the engine fuel rack for a commanded rpm… Cute, right?

Surplus market blues

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Well they seemed like a good idea at the time

These relays contain a diode in series with the 12 volt DC coil.

No, not in parallel (used to stop back emf from shooting out transistors driving the relay coil) — series.

Connect the coil up backwards and nothing happens.

I have never seen this configuration before and no, of course I didn’t notice it *after* wiring four of them backwards then wondering why all four appeared bad.

If the issue had been parallel diodes, my current limited bench supply would have just gone into constant current foldback at like .6 volt and 200mA and thus alerted me to the problem… But it couldn’t be that easy now could it?

Behringer – More like MEEEHHHringer amirite?

Due to the fact that this thing is colossal shit and I feel bad for even recommending its purchase, I am going to classify this as 100% PURE SHITPOST. I feel genuinely bad. The thing does actually work…. SOMEHOW… though the VU meters don’t. Only the first four lights will illuminate. Gee I wonder why? (The fake STMicro chips are the drivers.)

I’d been warned many times that Behringer products are of quite subpar quality, and this had always been my impression as well, but I’d never actually opened one up and seen the horror within. This is FRESH FROM THE FACTORY and it’s got blobs of corroded crap inside. ARGH!! At least… whatever was splodged on the board and initiated said corrosion rinsed away with CRC QD Electronics Cleaner…

Rainbow Entanglement

Help! I’m being attacked by rainbow ribbon cable!

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So, you may have seen this stuff before and wondered what’s up with the colors. Well, here you go:

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It’s standard electronics color code and the repeating stripe pattern matches the pin number of the connector at the other end. Brown 1, red 2…… It recycles after 10 (0, black).

Great stuff really. Now, where’d I put my cutters?

Philips, You just went full Funai. You never go full Funai.

Public service announcement:
Do not buy any new “Philips” brand consumer electronics products. Philips has just exited the consumer electronics business, and what you’ll be getting is Funai corporation garbage with the Philips brand name on it. See also: Brand name necrophilia. Sorry, this means even less good options in the nearly completed race to the bottom that is the light bulb market. I’d stick with Cree LED bulbs for now.

Via Wall Street Journal. 

As an added bonus, here’s a Funai TV on fire. It’s supposed to be flame retardant, but the only thing that finally stopped it was a blast from the garden hose. Yeah I’m sure it met the specifications it got UL listed under….. if it ever actually was and didn’t just have a UL logo stamped on it in utter fraud. 😉

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