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How to find information about built-in kernel modules on Linux
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Ed Rezac, one of Hubble's exrtavehicular activity system engineers, talks to NASA Social participants about the Hubble Space Telescope and the ground-breaking missions NASA sent to repair it. Rezac is holding a circuit board module used to develop tools and train the astronauts to repair the Advanced Camera for Surveys (one of Hubble's workhorse cameras) in space.
More than 40 of NASA's followers on social media traveled from across the country to attend a NASA Social event on April 23, 2015, in celebration of the 25th anniversary of the launch of the Hubble Space Telescope. The day-long event began by attending the unveiling of a 25th anniversary image at a NASA press conference at the Newseum in Washington, DC. The participants then traveled to NASA's Goddard Space Flight Center where they took part in behind-the-scenes tours of different laboratories, ending with a viewing of the Hubble control center and a hands-on demonstration of the tools used during the Hubble servicing missions.
Credit: NASA/Goddard/Debbie Mccallum
This is my Week 18 photo for the View 52 group, the aim being to take one photo per calendar week.
I've been to Tewkesbury on a walking weekend and took my compact camera with me. The canal was directly behind my hotel and a short walk away was this lovely old mill (Abbey Mill). I got up a little earlier that usual to try and get some nice light. I think maybe my whites are a little over-exposed. I was also keeping one eye open for landscape shots for Module 1 of camera school and this may be a contender, although I hope to get out with my DSLR again too.
My View 52 set for 2013 is here: www.flickr.com/photos/janflicks/sets/72157632452274758/
This is the link to the View 52 group: www.flickr.com/groups/view52/
more than just blink. I added bits for a connector and regulating the power from 5v for the Atmega168 to 3.3v for LCD, accelerometer, etc.
I messed up the 3.3v voltage regulator and took a few tries bending the pins different ways before getting to work.
Casting a long shadow
Armstrong takes a photograph of the landing site and the lunar module.
— NASA / ullstein bild via Getty Images
Via:
www.nbcnews.com/mach/science/eagle-has-landed-remembering...
Basically, this module is the same as the previous module, the Pentagon Module [#1]. The difference is that the angles radiate from the middle of the bottom edge towards the left and right edges of the square paper. The assembly is very loose and I had to use paper clips to temporary hold on to the modules. The assembled model will also have a large pentagonal hole in the centre. I reduced the hole by folding in part of the top edge,
The Zeplina Power Module was created to power the worlds largest zeppelin, this piece was destined for stardom as an epic event in history. However, its extreme weight and the fact it was mounted at the front of the zeppelin meant that the nose couldn't get of the ground, even with the excessive amount of power it produced. The zeppelin cruised along, bum in the air, nose to the ground like a dog sniffing out the trail of dragged sausages. The zeppelin company refused to pay for the item, so I turned it into a lamp and this (almost) piece of history is for sale!
creating a series of connected modules of different angles of twist from the same axis. The twist is only along the x-y parameter keeping the top and bottom section the same with similar spacing, demonstrating a twisted grid created with mass customization.
Twisted forms provide better solutions against eccentric and non uniform multi direction loads compared to the usually 3 dimensional x-y-z grid arranged buildings.
okay sorry for more tech stuff, i'm just writing all this out so i won't forget when the final presentation comes. gahhh
Apollo command module at the Kennedy Space Center in Florida. I believe it is Command Module "Kitty Hawk" from Apollo 14, but I may be mistaken. Technically an HDR picture, but without the "surreal" look that many get.
The Equilateral Triangle shape [Coaster?] is assembled from 3 modules. Each module is folded from 15cm square Harmony papers.
The Module is actually a 60 degrees "Reverse-fold" from a "Book-folded" square. The front and the back of the model are the same. 6 of these modules can also be assembled to form a Hexagonal Ring.
This series was created in 1990 and first published in Modular Origami [self-publication]. This module and it's variation to a Hexagon Ring is also published in the British Origami Society Booklet #58.
Basically, this module is the same as the previous module, the Pentagon Module [#1]. The difference is that the angles radiate from the middle of the bottom edge towards the left and right edges of the square paper. The assembly is very loose and I had to use paper clips to temporary hold on to the modules. The assembled model will also have a large pentagonal hole in the centre. I reduced the hole by folding in part of the top edge,
1.Each module joined and then twisted from same the point at the same angle making each piece vary in shape and orientation due to their position in 3 dimensional space.
2.Each module was then reconstructed with the "rebuilt" function of rhino with a 1 degree curve (i.e straight) in both u and v directions, thus making the module a developable surface.
3. each piece is unfolded into a flat sheet for printing using the UnrollSrf command. (explode=no, labels= yes) Layout and array of the unfolded surface is still manually performed. Labelling is necessary for assembly.
I wish i had more hands to cut out and assemble the entire twisted system but one can only stay up for that long before sleep takes over ( hint hint I WANT A LASER PRINTER at home)
Design for a stepper motor drive.
The stepper motor drive uses the TMC2100 modules from an old 3D printer (FlashForge Finder). I got this gift from a Fischertechnik forum member. The modules are controlled via a spi connection with my FPGA controller. The FPGA is connected to the Fischertechniek TXT Controller via an I2C line. The TMC2100 modules are in a fixed mode of the 3D printer, there is micro stepping used with 16 fine steps per step. Through the SPI connection I can send the ena, DIR, STEP, CFG0 and CFG4 pin. Because the modules are configured in 16 microsteps, the step pulses can be provided quite quickly. Therefore I controlled the SPI driver from a 4MHz clock so that only 13.5 usec is needed to scan all 24 inputs and outputs. This is much faster than the max step speed needed for the stepper.
The SPI goes to the FPGA chip. This is now programmed as a large I2C chip for the user. Besides this stepper driver there are also modules written for 16 motors, 72 inputs, 36 outputs, and 32 servo motors. All inputs can handle fairly fast pulses especially for quadrature encoders. The motors can run in 5 different modes and operate autonomously. The external I2C user only needs to send a few commands. Timing is no problem at all because the FPGA works much faster than the fastest micro controller. There are almost 1000 bytes of registers provided to support all functions. On the Fischertechnik side I have written a full lib to support all these functions. Through the Robopro software you can now write a program in a few minutes to the motors, servo steppers controls, reads inputs, status reads output line controls. I will give you more information about this later, but this data is so extensive that writing the manual takes a lot of time.
youtube video: youtu.be/0HRdaIm48Q0
Design for a stepper motor drive.
The stepper motor drive uses the TMC2100 modules from an old 3D printer (FlashForge Finder). I got this gift from a Fischertechnik forum member. The modules are controlled via a spi connection with my FPGA controller. The FPGA is connected to the Fischertechniek TXT Controller via an I2C line. The TMC2100 modules are in a fixed mode of the 3D printer, there is micro stepping used with 16 fine steps per step. Through the SPI connection I can send the ena, DIR, STEP, CFG0 and CFG4 pin. Because the modules are configured in 16 microsteps, the step pulses can be provided quite quickly. Therefore I controlled the SPI driver from a 4MHz clock so that only 13.5 usec is needed to scan all 24 inputs and outputs. This is much faster than the max step speed needed for the stepper.
The SPI goes to the FPGA chip. This is now programmed as a large I2C chip for the user. Besides this stepper driver there are also modules written for 16 motors, 72 inputs, 36 outputs, and 32 servo motors. All inputs can handle fairly fast pulses especially for quadrature encoders. The motors can run in 5 different modes and operate autonomously. The external I2C user only needs to send a few commands. Timing is no problem at all because the FPGA works much faster than the fastest micro controller. There are almost 1000 bytes of registers provided to support all functions. On the Fischertechnik side I have written a full lib to support all these functions. Through the Robopro software you can now write a program in a few minutes to the motors, servo steppers controls, reads inputs, status reads output line controls. I will give you more information about this later, but this data is so extensive that writing the manual takes a lot of time.
youtube video: youtu.be/0HRdaIm48Q0
Vintage passenger service modules , called APAX, from passenger aircraft. These modules are located under the seats and provide music and other passenger services, as steward call feature.
Le Corbusier sviluppò il Modulor all'interno della lunga tradizione di Vitruvio, l'uomo vitruviano di Leonardo da Vinci, i lavori di Leon Battista Alberti, e altri tentativi di trovare proporzioni geometriche e matematiche relative al corpo umano e usare queste conoscenze per migliorare sia l'estetica che la funzionalità dell'architettura. Il sistema è basato sulle misure umane, la doppia unità , la sequenza di Fibonacci e la sezione aurea. Le Corbusier lo descriveva come "una gamma di misure armoniose per soddisfare la dimensione umana, applicabile universalmente all'architettura e alle cose meccaniche". Il modulor è anche utile per la rappresentazione della figura umana.
from: Wikipedia
N scale town module -- various kits
The last minute roundabout idea which turned out surprisingly well.
I'll let you ponder over how this was made.
First module using the NELTC mainline standard. I really dig the wedge plate accent on the outside of the ballast. I am reasonably happy with the trees, but may tinker with the tops.
Stackable modules for my Soropolis project.
Appartment with mommy and baby - appartment with classic door - grumpy granny appartment - grumpy granddad appartment - attic with modern dormer windows - yellow entrance - staircase - red entrance - appartment with flowers
Apollo 14 Command Module "Kitty Hawk"; on display at the Kennedy Space Center
en.wikipedia.org/wiki/Apollo_14
3xp HDR
Design for a stepper motor drive.
The stepper motor drive uses the TMC2100 modules from an old 3D printer (FlashForge Finder). I got this gift from a Fischertechnik forum member. The modules are controlled via a spi connection with my FPGA controller. The FPGA is connected to the Fischertechniek TXT Controller via an I2C line. The TMC2100 modules are in a fixed mode of the 3D printer, there is micro stepping used with 16 fine steps per step. Through the SPI connection I can send the ena, DIR, STEP, CFG0 and CFG4 pin. Because the modules are configured in 16 microsteps, the step pulses can be provided quite quickly. Therefore I controlled the SPI driver from a 4MHz clock so that only 13.5 usec is needed to scan all 24 inputs and outputs. This is much faster than the max step speed needed for the stepper.
The SPI goes to the FPGA chip. This is now programmed as a large I2C chip for the user. Besides this stepper driver there are also modules written for 16 motors, 72 inputs, 36 outputs, and 32 servo motors. All inputs can handle fairly fast pulses especially for quadrature encoders. The motors can run in 5 different modes and operate autonomously. The external I2C user only needs to send a few commands. Timing is no problem at all because the FPGA works much faster than the fastest micro controller. There are almost 1000 bytes of registers provided to support all functions. On the Fischertechnik side I have written a full lib to support all these functions. Through the Robopro software you can now write a program in a few minutes to the motors, servo steppers controls, reads inputs, status reads output line controls. I will give you more information about this later, but this data is so extensive that writing the manual takes a lot of time.
youtube video: youtu.be/0HRdaIm48Q0
Turns the trusty workhorse "283 into a useful strobist tool. The only downside is that since its just a potentiometer, there are no positive clicks for each setting, so you don't really know if that power level is what you're getting. But its pretty close. It also allows adjustment down to 1/64th power, better than the current 285 HV. "
- from an Amazon review. More 5-star reviews at B&H.
I got a 283 with AC adapter and the VP-1 module with some Canon film gear. Entire manual scanned here.
On 29 April 2019 Orion’s Service Module moved to the lift station inside the assembly bay for installation and fastening of systems in preparation for Direct Field Acoustics Test. The Service Module will move down to the east end of the bay next week where it will be surrounded with speakers and exposed to the acoustic level that will be experienced in space.
Credits: NASA
Small steering module
creation date : September, 2009
Strength of the suspension can be adjusted by the twisting number of the rubber belt.
More photos can be seen here
The day started sunny and calm, but by the time I had done my chores it was cloudy and windy so didn't go on my planned excursion to a waterfall.
Decided to have my first go at Camera School Module 3 indoors. As it was cloudy outside, it was even darker inside and it was impossible to get the degree of blurred water, yet showing a sense of movement, with the recommended CS settings. I found around 1/15-1/30 portrayed this best, but to achieve this a high ISO, coupled with a small F number was required. Another difficulty I had was with the large dynamic range between the dark sink/tiles, and the bright water and the need for a reflector which lightened the darker bits, but also blew the highlights. An ND filter was not required in these dull conditions.
I won't therefore be using any of these shots for homework, but put them up as my first venture into this module. On a bright day this setup might work and I might give it another go with different composition and crockery/containers.