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Delivery of I2C modules. All these modules are intended to work together with the Fischertechnik TXT Controller. For the color sensor module there is already a software model available, the software for the other modules I am going to write. First I have to provide a small power supply for the 3V3 voltage.
Newly built DIY version of Varipower module using rotary switch and precision resistors with a range of max to -5.5 stops.
Strobist info: Light tent. One Vivitar 283 outside, camera left, set to 1/64 power using Varipower module. Second Vivitar 283 outside, camera right, set to 1/64 power using Varipower module.
Top view and underside of the layout module at testing stage. Modratec interlocked signal frame and Wire-In-Tube points drives are installed and operational. Semaphore signals are yet to be fitted, but their control cables are in place. Electrical wiring is set up for DC operation, with the option to convert to DCC - screw terminal blocks allowing easy reassignment of track droppers to the bus. Electromagnetic uncouplers and station lighting are also wired. Now, to test it...
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
... can easly be turned into a box and a lid
.. my design, as far as I know... but any reference will be welcome....
2 (1 for box, 1 for lid) square 15x15 cm. regular copy paper... I use 80gr. and 90gr. the second is suggested for the box
written instructions (more or less) in the kusudama cube writing.
Decoration made with paper left by cutting an A4 sheet in 2 squares... so you will just need 2 A4 paper for two duo color box.... and only 1 sheet for a single color box (obviously)... this box is very good for give aways in any occasion (espiacilly candies and confetti) and also as a toothfairy (or mouse depending on traditions) box..
I wish you a week full of colors!.... (north Italy in particular: wish you also a SUNNY week) :-))))
1. Basic kusudama cube module ..., 2. Basic kusudama cube module ..., 3. Basic kusudama cube module ..., 4. Basic kusudama cube module ..., 5. Basic kusudama cube module ..., 6. Basic kusudama cube module ...
Created with fd's Flickr Toys
Diagram for basic module here
ISS032-E-016776 (9 Aug. 2012) --- Russian cosmonaut Gennady Padalka (center), Expedition 32 commander; along with Russian cosmonaut Yuri Malenchenko and NASA astronaut Sunita Williams, both flight engineers, are pictured holding still cameras in the Zvezda Service Module of the International Space Station.
Double rotating module and built-in electronics.
This module is intended as an extension to the Fischertechnik building blocks. This is a compact unit with double rotation. Each stage has a built-in quadrature decoder and home point detection. Hall detectors are used for this. The big advantage of this hall AH3144E is that it works on a voltage from 4.5V to 24V and is therefore compatible with most hardware. The output is an open collector type. Each stage is powered by an XS motor 9V.
The upper axis has a pivoting block with 20 teeth. The gear profile is adapted to work with the worm gear of FT without much backlash. On the contours of this rotating block are small holes provided to apply a neodymium magnet D2x3mm. This magnet serves as a home point for calibration. On the worm shaft is a small disk encoder with 5 magnets. Through quadrature detection you get 20 pulses per revolution. The angle adjustment accuracy of the pivot block is therefore 1/400 or 0.9 degrees. The total angular rotation is slightly more than 180 degrees. The lower turntable has a gear with 44 teeth. It can rotate the full 360 degrees. The accuracy here is 1/880 = 0.41 degrees. The worm shaft also has an encoder disk with 5 magnets (20 pulses/rotation). The encoder disc is adapted to the worm so that it cannot slip on the shaft. All necessary .stl files are available here.
I tested all parts, mounted the hall detectors and measured the signals. The quadrature detection automatically possesses the correct 90 degree phase shift. You don't have to adjust anything. The XS motor is used with its standard reduction block and has about 140 revolutions/minute on the worm (2.35 rec/sec). An encoder pulse corresponds to about 21 msec. Your quadrature decoder must therefore be able to process the pulses within these 21 msec, or even better 15 msec because there is always a small deviation possible (phase shift is 90° +/- 20%).
On the upper rotation arm I mounted an original FT grip module. The intention is to replace this grip module with a more compact version with built-in electronics.
3D printer settings:
I always use PolyMaker polyMax PLA filament. This filament is much stronger than the normal PLA, even stronger than ABS. The printed pieces are very clean and the parts slide gently over each other. The tolerances are very good and very little finishing is required. For some parts you do need to use supports. Brim or Raft are not needed. I don't have a heated table but keep the printing plate under warm water for a while before printing. On my FlashForge Finder I use the Standard settings with a temperature of 210°.
ThingIverse stl files: www.thingiverse.com/thing:3456823
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.
National Air and Space Museum
The National Air and Space Museum of the Smithsonian Institution holds the largest collection of historic aircraft and spacecraft in the world in 14,970.9 m2 of exhibition floor space. It was established in 1946, as the National Air Museum, and opened its main building in 1976. Located in Washington, D.C., United States, it is a center for research into the history and science of aviation and spaceflight, as well as planetary science and terrestrial geology and geophysics. Almost all space and aircraft on display are originals or backups to the originals.
I matched the LEGO green and painted the modules. This made a huge difference in appearance when they were all laid out. The painted edge blended in really well with the green baseplates.
Description:
We design, develop, manufacture and sell variety of monocrystalline modules ranging from 5 W to 290 W in power output, built to general specifications for use in a wide range of on-grid and off-grid residential, commercial, industrial and other solar power generation systems.
To assemble solar modules, we interconnect multiple solar cells by taping and stringing the cells into a desired electrical configuration. The interconnected cells are laid out, laminated in a vacuum, cured by heating and then packaged in a protective light-weight aluminum frame. Once sealed, our solar modules become weatherproofed and are able to withstand high levels of ultraviolet radiation and moisture.
Our 220W series modules conform to IEC61215 and IEC61730 electrical and quality standards. With continuous commitment to research and design, our engineers work every day to improve quality, efficiency and reliability of our modules. Manufactured under ISO9001 and ISO14000 certified conditions, our modules are engineered to withstand extreme temperatures and harsh weather conditions.
Product benefits
Applies to commercial, residential and utility scale applications
Easily installed ground, roof, building face or tracking system
Smart choice for on-grid and off-grid applications
Reduces electricity bill and creates energy independence
Modular, no moving parts, fully scalable and easily installed
Reliable and virtually maintenance-free power generation
Helps environment by reducing air, water and land pollution
Provides clean, quiet and reliable electricity generation
Increases resale value of the property the day installed
Product features
High powered modules from 165W to 290W, providing solutions for variety of applications.
All modules designed and manufactured at an ISO 9001 certified and ISO14000 factory.
Modules are IEC61730 safety rated for high wind pressure, hail impact, snow load and fire.
Integrated bypass diodes to protect the solar cell circuit from hot spots during partial shadowing.
Anodized aluminum frame improves load resistance capabilities for heavy wind loads.
Our module technology ensures there are no problems of water freezing and warping.
Low power tolerance of +/-3% helps higher output power, by reducing module string mismatch losses.
High efficiency 156x156mm photovoltaic cells technology for improved performance and reliability, its efficiency reach to 17.25%.
Highly transparent, low-iron, and tempered glass and antireflective coating increases energy yield.
New eco-friendly packaging minimizes cardboard waste and requires less transportation and storage space.
This is another simple Module which I recently discovered. Modules from 5 to n can be assembled but the easiest to assemble is 8 Modules. I have not tried out anything more than 8 Modules but from what I see, 16 or more is definitely possible. CP later.
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
Gemeni-30 & -60 (aka Wedge module by Miyuki Kawamura)
Designer: David Mitchell
Units: 30 (or 60) squares
Diagram:
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
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.