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This is my last version of the diagrams for the square cross module. Only the way to fold the module is a little bit different to my first version. Here I have also the opening of the wireframe module pocket (step 5), which is common for the polygon cross modules.
I think I can say, that it was Carmen Sprung, during my workshop at the Weimar convention, who call me attention to this perhaps easier way of folding.
I also add the diagrams for the two simple windmill variations.
For the joining of all the modules follow : www.flickr.com/photos/eisfold/8618006029/.
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
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.
67/365
31.03.2013
Late in the day for the shot and also for this Hard Drive. I have 3 of them that have given up. I wonder if it is this module that's gone. Who knows? Who cares? It's going in the recycling bin once I've broken up the disc.
My 365 Blog - www.365.justard.co.uk
Orion is NASA’s next spacecraft for sending humans into space. ESA has designed and is overseeing the development of Orion’s service module, the part of the spacecraft that supplies air, electricity and propulsion.
The second mission with ESA's service module is Exploration Mission-2. This logo shows the Orion spacecraft exploring our Solar System, with the rear view highlighting the service module. The logo includes stylised depictions of Earth, the Moon and Mars – some of Orion’s destinations.
The border includes the abbreviation ESM for European Service Module. Between the distinctive solar wings on the right are the characters “fm-2”, denoting the second Flight Model for the spacecraft's second mission.
Credits: ESA
Stackable modules for my Soropolis project.
Facade with red window - ice cream parlor - school - roof with round window - entrance with round window - roof with dormer window - appartment with large bay window - purple and red entrance - green roof appartment - dance studio
This is an actual lunar module, one of 12 built for Project Apollo. It was meant to be used in low Earth orbit to test the techniques of separation, rendezvous, and docking with the command and service module. The second of two such test vehicles, its mission was cancelled because of the complete success of the first flight.
The lunar module had two stages. The descent (lower) stage was equipped with a rocket motor to slow the rate of descent to the lunar surface. It contained exploration equipment and remained on the Moon when the astronauts left. The ascent (upper) stage contained the crew compartment and a rocket motor to return the astronauts to the orbiting command module. After the crew entered the command module for the trip back to Earth, the lunar module was released and eventually crashed into the Moon.
Transferred from the National Aeronautics and Space Administration.
Thomas Henry eurorack DIY Modules by fonitronik.
The circuit board provides MTA-100 headers for build in any format...
This card contained the mircoprocessor for the floppy disk interface. It also contained the options paid for and activated for the customer. The options module can be seen as the small box on the front right of the card. This modile was easily changed.
Stackable modules for my Soropolis project.
Elevator - Rietveld house - entrance of nr. 6 - entrance with plant - entrance of institution - fancy modern apartment - Bauhaus - two friends in roof appartments - ground floor appartment
The "Y Module" was created in 1988 and published in "Modular Origami" a self-publication. The module, folded from square papers is based on the 60 degree geometry. When assembled, a "Y" band is form on the triangular faces of the model and a small pinwheel motif on all the corners.
3 of the 5 Platonic Solids can be assembled from this module. They are the Tetrahedron, the Octahedron and the Icosahedron. All of these polyhedra have triangular faces.
12 Modules, folded from 15cm square Kami are used to assemble the Octahedron.
Thomas Henry eurorack DIY Modules by fonitronik.
The circuit board provides MTA-100 headers for build in any format...
Thomas Henry eurorack DIY Modules by fonitronik.
The circuit board provides MTA-100 headers for build in any format...
Thomas Henry eurorack DIY Modules by fonitronik.
The circuit board provides MTA-100 headers for build in any format...
Stackable modules for my Soropolis project.
abstract art - abstract art - miniature town - classic space vehicle - alien home - green entrance - wooden facade with yellow windows - art deco facade - decorated facade
One of two test lunar modules built for the Apollo program. It was never used, as the first test was very successful.
Singular Sub-Module, 4 of these make one module
scoring on the wireframe line helped the shape "form" better
This uses similar construction to the adjacent station module, but is inverted with base board below a raised roadbed. The modules are to be joined by clamps, allowing portability of the layout. Curves as sharp as 510 mm (20 inch) radius are used due to space constraints.
Image of the Russian space station Mir taken on the STS079 shuttle mission. Mir had modules jutting out all over the place...
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.
Stackable modules for my Soropolis project.
church building - windmill - psychedelic arch window - king - tan castle wall - sand green castle wall - church tower - knight castle - castle tower
Shots from the NMRA National Train Show in Milwaukee. This was part of the Battle Creek, MI Model RR Club modular layout.
The other day, I decided to install version 5.x-3.0-beta1 of Drupal's spam module on the site www.saveardmorecoalition.org/ to deal with the recent surge in spam we were experiencing.
End result? The spam module pretty much trashed my database, according to this graph. We went from about 40 queries a second go 15,000 queries a second, until I disabled the module. Completely unacceptable.
ESA module flown on 16 missions from 1983 to 1998.
Taken at the National Air and Space Museum Steven F. Udvar-Hazy Center: James S. McDonnell Space Hangar in Dulles, VA.
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