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The stories of commerce’s demise at Twitter have been greatly exaggerated, according to a tweetstorm by Nathan Hubbard, Twitter’s head of commerce. Very last month BuzzFeed claimed that Jack Dorsey experienced put Get Buttons, product web pages, and other commerce endeavours on the “ba...
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After a recent strobist shoot it quickly became obvious that my single SB800 wasn't going to be enough, and although I was able to borrow some more from a good friend, I really needed a more permanent solution.
Not having the money to blow on 3 more SB900/800 or 600 flashes (that's posh lens money that is!) I thought I'd see what I can do with a soldering iron. Unfortunately soldering irons only emit heat and not light so I turned to ebay.
5 days later I'm the proud owner of some classic strobes. Two Vivitar 283s, a Vivitar 285 and some great little micro controllers from a friendly Dutchman.
The 283s had 300volts at their hotshoe, so they weren't going anywhere near my D300! The 285 was only 7 volts, but it's all going off camera anyway.
I have the prototype hardware sorted, now I just have to program the microcontrollers
What you can see here is
Vivitar 283 - £16 from ebay
6v 7.2Ah SLA battery - £14 from Maplin
JeeNode(V4) - €17.50
2xOptotriac isolators - £1.50 each from maplin, far cheaper from Farnell (but still cheaper than getting 300v up the Jeenode!)
The Jeenode(V4) comes complete with an RFM12B radio module, meaning I have all the parts needed to make a remote trigger. The hotshoe even unscrews from the vivitar flashes, which means I've even got a useful donor part to use for the input to the transmitter.
Button board and breadboard are for test purposes only. Triple AA battery box will only be used on the camera trigger transmitter end, not the remote strobe end. The remote end will run from the 6V SLA
Due to the low internal resistance of the 6 volt sealed lead acid battery the 283 recharges from a full blast in under 3 seconds! Probably best not to do too many of these in quick succession or the oscillator circuit is bound to melt. I'd add "improve flash cooling" to the "to-do" list.
Bar the external battery connection wires the 283 is unmodified. Everything that is required appears on the connector behind the thyristor sensor. A bit of veroboard and some 0.1" spaced circuit board pins make a good plug.
For anyone that's interested the pins are
1.......2
....3
4.......5
(This is my numbering system looking at the front of the flash from the outside).
1 - Connects to the internal triggering system, this sits at 300volts
2 - Quench1
3 - The other half of the trigger. This connects to the outside of the hotshoe. Connect this to pin 1 and the flash will fire
4 - Connection to hotshoe centre. With the Thyristor unplugged the hotshoe is disabled. Connect this to pin 1 to reenable it. I left it disconnected, I don't want 300volts on the hotshoe centre pin!
5 - Quench2
Connecting Quench1 and Quench2 together stop the flash instantly.
Connecting different resistances between it varies the power.
I'm using the connect directly together method via the microcontroller to quench the flash after a preset time. The longer the time, the higher the flash power.
Oh, and for anyone interested, this picture was taken with the SB800 on hotshoe pointed straight up, camera was tilted at 45 degrees so the flash bounced off the white ceiling and the white tiles on the wall... The white surface it's all sitting on is the top of my chest freezer in the utility room!
Progress is made, and flashes flash... www.flickr.com/photos/steve_snaps/4566541603/
Though initially focussed on the water motion I brought the trees more into the picture as the sun filtered through the trees. For me it's all about the light spreading out from the woods and its effect on the water.
Techie point : Polariser plus soft filter partly to slow the speed 3 stops but also to add a shimmer. Sometimes images can be too sharp !
This is my first attempt at working with an alternative process. As I later found out, I started with a "difficult" photo so it took some trial and error to figure out the exposures and the digital negative. It all worked out in the end. I learned a lot so next one will be much easier and less time consuming.
Techie stuff: This photo of a shop-window detail was taken with a Holga 120WPC pinhole camera. Arches HP 140 lb watercolor paper was sensitized using Formulary liquid cyanotype solutions. The exposure, under a UV light box was about 8.5 minutes. After developing in water the photo was dipped into a weak hydrogen peroxide solution to make the blues pop.
©2010 Susan Ogden-All Rights Reserved Images Thruthelookingglass
I decided that today i would practice using textures....something that i have a love hate relationship with! it usually takes me a good long time to find a pairing that i like, and most of the time, i ditch what i have tried and go with a straight up photo out of frustration. Thanks to Par'ee at www.flickr.com/people/8078381@N03/ i was actually successful! She has a gorgeous array of textures to practice with, and her photos are mesmerizing.....much more so than this simple rendering offered here! SO, thank you, Par'ee! your work is outstanding!
the artsy-techie stuff sometimes takes me a few trial and errors to get right, but i will figure it out....you can count on two things with me...i am persistent and relentless when it comes to trying to learn!
Hope this eases you into your Friday....stay cool and keep smiling...it keeps others wondering!
PS i do not watch the show....just the first title that came to mind. i rarely watch tv...prefer books!
Rumor has it that Apple has been performing on an bold update for the MacBook Pro. The new MacBook Pro will element the new Intel Skylake processors as properly as a brand new style and design with a few of nifty additions.
Apple likes to make its equipment more compact. So the new MacBook...
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honestechs.com/2016/06/17/references-in-macos-sierra-trac...
Certain, every thing will be all fun and online games next week at E3, but right now HTC’s talking small business. The company’s well-obtained Vive headset is receiving its incredibly individual “Business Version,” the Vive BE, which is specific at corporations interested in harnessing digit...
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How several occasions have you preferred to toss your mobile phone out the window of your automobile simply because Siri could not understand the most essential phrases?
Contact Cheryl, no Vyshakh. Siri calls Cheryl anyway. Then a twenty-minute argument develops with a series of “Hey Siri” c...
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Personalized Device Types on Google’s Cloud Platform enable you to select precisely how several CPU cores and how a lot memory you want in a virtual equipment to run your applications. Google to start with introduced this function previous November and now it is taking it out of beta.
In ad...
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Funny illustration I created about using "penis" as a password. The computer responds that it's too short.
I apologize for the watermark! I added it to all my work to defray others from using the images as their own.
A gentle breeze stirring in the trees.
(Techie bits: 6 frames taken in burst mode, of which the EXIF info reflects one; aligned and enfused together; arty soft grainy duotone processing in darktable.)
Looks reasonable large, too.
Amazon will shortly roll out its have non-public-label models of common household items like coffee, diapers, and other perishable groceries, in accordance to a report from The Wall Avenue Journal.
The offerings will consist of perishable goods like infant food items, tea, coffee, spices, an...
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honestechs.com/2016/06/15/amazon-will-reportedly-shortly-...
Ooo look at me getting all techie :)
For absolutely yonks I have wanted to create an image with a light-leak. According to Wiki:
"A light leak is a hole or gap in the body of a camera where light is able to "leak" into the normally light-tight chamber, exposing the film or sensor with extra light. This light is diffuse, although parts within the camera may cast shadows or reflect it in a particular way. For most purposes this is considered a problem. Within the lomography movement it is seen as a positive effect, giving photos character.
One frequent source of light leaks in 35 mm cameras is around the film door due to degrading foam. Replacing the foam is a simple matter. Medium format system cameras or large format cameras may have leaks between their various interchangeable parts or in old leather bellows. Electrical tape is often used to repair light leaks in these cases."
So, I tried a couple of websites to get the gist of how to do it. Check over the image for links. Currently I am a whole lot more Lightroom girl than I am Photoshop girl, so I did mine in LR.
I'm pleased with the result- I also remembered something I saw Rosie Hardy say on a tutorial she posted a while ago that she hated green in a picture and opted more for brown/warmer spectrum shades. So, whilst I don't hate green (though Peas are green) I tried to give a more washed out, vintage look to the image reminiscent of film.
This was on Sunday at Shakerley Mere. Despite dogs not being allowed in the water, Reuben still chased the geese- it was pretty funny.
What wasn't funny is the amount of bites I got on my legs (I do have tights on too!) so bad I had an allergic reaction!! Boo :(
Here is a song that fits the mood that I can't get enough of at the moment.
PERHAPS THE BEST SUMMARY I heard in relation to the impact of Steve Jobs came from a Canadian journalist who summed up Steve Jobs life with the techie term, 'disruptive innovation'.
Through that 'disruption' Steve changed the world for the better.
iTunes, the iPod, the iPhone, the iPad, the iMac, etc ~
I certainly don't do Windoze…
THAT SAID, all was not well with the much-ballyhooed man who was synonymous with Apple Inc.
In the end our habits own us, and we shouldn't be too surprised that Steve's habit of inter-personal severity owned him, and the resentful petulant man who was forever upset with underlings that failed to impress, but more so upset by being put up for adoption as a baby, later refused every opportunity for amends to be made by the once offending, now, contrite.
Through the years, Steve nursed his rage against his biological father.
Steve did forgive his birth mother for the great heave-ho, and later acknowledged a daughter he too initially rejected—but forgiving an aging father with outstretched arms proved to be too much, too overwhelming for the fastidious nerd who changed the world. And who—eventually learned to take regular showers.
Still, I guess being surrounded by paid accolades who bow to your every whim at 1 Cupertino Loop can set one up with a false dichotomy, whereby your petty personal viewpoint is always right, and the whole rest of the world is terribly wrong.
Except, Steve's father, John Jandali, wasn't another computer or software brand, he was, well—his father.
The man who gave Steve life.
Yeah, that guy.
Whatever false, morally relative construct Steve used—throughout the long years—to shield himself emotionally from his father, will, happily, never replace that seemingly innocuous and obvious command to honour one's father and mother. And with that eternal directive, came the general, temporal promise, of a long life.
Or could it be, as it is in most cases where father-son, father-daughter estrangement occurs, the divorced/separated/offended mother fuels the on-going separation and hostility of her offspring—against their biological father. I do not mean Clara Jobs here. I mean Joanne Carole Schieble, Steve's biological mom.
Or was it a tandem thing? Mother and daughter (Mona Simpson) against John Jandali? This is also often the case.
Steve, and his biological sister Mona (the other offspring of John and Joanne) became best friends after having not known each other until their late 20s. Such can be the fall-out from adoption, and disappearing into the night. After their brother-sister relationship solidified, Mona encouraged Steve to reach out to their mother, now Joanne Schieble Simpson, and Steve later invited Joanne to some Apple events. Mona paved the way for Steve to reconcile with mom, Joanne. However, Joanne had likely so sabotaged Mona and John's continued relationship, from the earliest of times, that the foundation had already been laid for Steve to later follow suit. And so, he too, joined with Mona in rejecting father John.
Good one, Joanne. Good one, Mona.
Divorced fathers this is likely the most famous example you will ever have, of the effects of the negative power-play, your former spouse can exert over your mutual offspring.
If its a stormy break, she'll turn the kids against you. Forever.
It's her one final way to hurt you.
Hurt, unstable mothers, are working behind the scenes, sabotaging your chances to keep an ongoing relationship with your son or daughter. The provincial family courts in Ontario, Canada are quite wise to the potential for this extended Mommie-dearist tactic and strongly encourage mediation.
Courts elsewhere—not so much~
Steve Jobs: Incredible visionary! Spectacular inventor!
Good son?
Lousy son.
Well, two out of three, ain't bad.
Closing off a homily one Sunday at Mass, I remember one of our parish priests noting, that whatever disasters befall us—short of death—we never did have the right to expect perfect parents.
But apparently, Steve did.
Good-bye, Steve.
Thanks for the presents.
Your dad never had your presence, but he has one of your iPads. And he lined up like everyone else to get one.
Roll that image through the theatre of your mind, folks.
The closest John Jandali (Steve Job's father) was able to get to his son—was to buy one of his son's products—from one of said son's stores.
ABSOLUTELY disgusting. Monumentally saddening.
While Steve Jobs, being a Buddhist, never had access to the treasure trove of Christian admonishment to act otherwise, still the moral law is written on the hearts of all men—even those outside of the influence of Christian revelation.
Still, Jobs loved the Beatles, and he should have, at least, listened to them.
"For well you know that it's a fool who plays it cool
By making his world a little colder"
(Hey Jude)
How many letters and postcards from father John Jandali (through the years), went unanswered, Steve?
I hope someone in the Jobs or Simpson family will FINALLY take the high road and reach out to John Jandali, Steve's estranged (not-by-choice) father in these, his twilight years.
But since we're dealing with Buddhists and pagans here—don't hold your breath.
You can't reason with pagans.
The world may praise Steve Jobs all they want. And he certainly deserves their praise—for the amazing Apple products that were brought to fruition under his leadership—for those eager, and consuming masses.
But, and there is always a but… Steve's final denial of his father, even from his deathbed, certainly gives me, great pause~
(Photo: Apple Canada Head Office, take pictures here and security comes out to meet you!)
©2012 Susan Ogden-All Rights Reserved Images Thruthelookingglass
OH!! GO ME!!!!!! I DID it! I used CS5 and did not blow up my computer....or lose everything on it! I am SO proud of me.....yes, inept, non techie, can’t find my way out of a paper bag, blond me! (OK...so my hair is darker than it was, blond is really a state of mind!!) Hmmm, maybe it is because i put a little red in it....redheads are pretty smart i hear!!
OK....sooooo, i made my own pink gradient, and applied it. then i deedled around with the opacity and such....then i added another layer of black to white gradient and deedled with that and then i added a text layer and i made the text have a sort of faint reflection behind the words of the same words..........Damn!! i am SO tickled that i was able to navigate CS5 without blowing my head off!!!
Pardon me while i do a little “I am so proud of me dance" for a teensy minute!!!
*****************************************dancing dancing dancing************************************
leg kick*****************heel click**********************************************dancing**************
OK...i am back...you did not miss much in the dance department....i am really bad at that too! (but better than singing!)
I am in a much better frame of mind than i was with all the raindrop tears last night. I went to my "inside me" place... i pondered and i prayed. I got about 3 hours sleep, so i was anticipating a long and rather crummy monday since i had to go in at 9:00 and stay all day with the eels and the vicious beasty child. It actually went really well with the little fellow i was in charge of for the morning....the beasty child had an issue and tried to bolt, but i managed to get between her and the door so she was stuck in the classroom! 4 more days and counting......the ocean and beach never looked so much like Paradise as it does right now. OK...i lied...........it ALWAYS looks like paradise to me!!
Have a fantabulous Tuesday....................and YAY ME!!!!!! CS5 here i come!! i am smarter than i thought.............maybe!!! What’s different in CS6, Larry?? do i NEED the upgrade!???
Aiming for a limited run of 25 cars, Gemballa has reworked the Enzo's aerodynamics, adding appropriate carbon-fiber bits that give the Maranello mauler much more of a techie Teutonic flavor. Active aero components include a front spoiler lip and a rear wing that increase downforce and improve high-speed handling. Gemballa also provides additional cooling ducts for the brakes and engine compartment, with inlets on the roof and behind the doors.
The Germans have tried to make the MIG-U1 a bit more livable with such niceties as an optional electrohydraulic height adjustment function which, at the touch of a button, lifts the body by 1.8 inches — particularly useful when negotiating such urban obstacles as speed bumps. The car automatically lowers itself back to the original position at speeds above 50 mph.
Gemballa adds forged alloy wheels, shod with 265/35R19 rubber in front and 335/30R20 in the rear.
The massive Ferrari V12 has been gently massaged to produce 691 horsepower, largely the result of an upgraded ECU and a freer-flowing exhaust with quad tailpipes and pneumatic flap control.
The cockpit also gets the Gemballa touch, with redesigned seats, center console and steering wheel rendered in leather and Ultrasuede. There is also a high-end multimedia system with 950 watts of power, a DVD changer, a 7-inch touchscreen and, of course, an iPod connection.
Mike Hoefflinger
Crunch Network Contributor
Mike Hoefflinger is an Executive-in-Residence at XSeed Capital and was previously at Facebook and Intel.
More posts by this contributor:
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I’m impatient to see breakthroughs i...
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honestechs.com/2016/04/10/the-future-of-the-car-is-not-ab...
It's alive, and it's got a name!
Meet Flash'ard :-)
There is some logic to the name, I doubt I need to explain the first part, but the "Ard"? Well it's based on Arduino. In this case it's a wonderful little board called a Jeenode(V4), which comes complete with the wireless module I need to make a remote trigger.
Anyway, it works, and it's now providing lighting for it's own photographs. Currently max sync speed is 1/160th, but I'm working on getting that up higher.
The board has two optoislator triacs (the little white chips with 6 pins each) which keeps the delicate 3.3 volt circuit safe from the 300 volt trigger circuit on the Vivitar 283. It has two isolators because it is connected into two circuits on the flash. One that fires it (which is what a hotshoe trigger fires) and one that stops it (called the quench). Controlling the timing between sending the "Fire" and the "Quench" allows you to regulate the power of the flash. I believe all flashes work like this. When you drop the power you don't turn down the brightness, you're reducing the duration of the flash. (Whether you can get to the quench circuit or not is another issue entirely though!).
A full power 1/1 flash is about 1300us (micro seconds, there's a million of them to a second), a 1/32 is about 30us.
Close up of the board: www.flickr.com/photos/steve_snaps/4567175228/
Update
Sync speed now up to 1/320th, the limit of my D300. This was achieved by increasing the baudrate of the wireless data communications, so has also reduced the range. I am currently testing to see how this will impact the functionality. If it does impact it then I can slow it down a few steps before it come down to the level it was at when 1/160th was the limit.