Tuesday, May 27, 2014

The Never Ending Story

As the year in EDD (and highschool) comes to a bittersweet close and we prepare for our final presentation on June 17th, a small group looks to continue the Charlie project post-graduation. A small group, mostly consisting of build team members looks to continue the project, building a business plan, a go to market plan, promotional materials, as well as finishing and optimizing what we already have in the way of a product. We aim to launch a Kickstarter/crowd-funding campaign for a multitude of reasons. Through this campaign, we will be able to raise money to finish the product, as well as create and develop ways to repeatedly manufacture the printer, generate interest, and gauge how much interest there is in what we are able to bring to the table. We understand that what we currently have is not invention, but does bring about many innovations, as well as combining many existing ideas into one package, as we aim to bring more features in the future.

Saturday, May 24, 2014

Congratulations to our Fellow InvenTeams!

Congratulations to the InvenTeams of Natick High School and Newton North High School on their achievements this year and their invitation to the White House Science Fair. It's always exciting to see other InvenTeams making the news, and we wish them the best of luck!

(Sections from the press release)

"Students from Natick High School and Newton North High School, both in Massachusetts, will travel to the fourth White House Science Fair to showcase their Lemelson-MIT InvenTeam projects to President Obama on Tuesday, May 27. The students will join more than 100 other students from around the country selected to participate in the event, which recognizes winners from a broad range of science, technology, engineering, and math (STEM) competitions.

The White House Science Fair fulfills a commitment the President made at the launch of his Educate to Innovate campaign in November 2009 - to inspire boys and girls to excel in math and science. The President noted at the start of this program, “If you win the NCAA championship, you come to the White House. Well, if you're a young person and you produce the best experiment or design, the best hardware or software, you ought to be recognized for that achievement, too.” 

The students from Natick and Newton North are honored for their achievements as 2012-2013 Lemelson-MIT InvenTeam grant recipients from the Lemelson-MIT Program. The InvenTeam initiative inspires young people to pursue creative lives and careers through invention. InvenTeams are granted up to $10,000 each to conceptualize, design and build technological solutions to real-world problems. 

Katelyn Sweeney and Olivia Van Amsterdam will represent the Natick High School InvenTeam. The team developed a remotely operated vehicle (ROV) for ice search and rescue dive teams. The land vehicle will quickly traverse the ice and lower a submersible detection device, which will assist a dive team when searching for objects or bodies in dangerously cold waters with temperatures of 33 – 45°F. Katelyn and Olivia have been instrumental in the filing of a U.S. utility patent for their device.  Felege Gebru and Karen Cheuk-Wing Fan will represent the Newton North High School InvenTeam. The team developed a pedestrian alert system to be used in Addis Ababa, Ethiopia, to alert crossing pedestrians of approaching vehicles, increasing pedestrian safety. Felege shared his firsthand knowledge of the dangers that pedestrians encounter in his home country of Ethiopia and the InvenTeam has partnered with a sister school in Ethiopia to inform their understanding of the problem and guide the design. "

Thursday, May 22, 2014

The Home Stretch

As our senior year is coming to a close, our final printer is beginning to take shape.  All of the acrylic has been laser cut and dry-fitted together, almost ready for completion.  On electronics team, we have been hard at work finalizing all of the wiring for the printer.  Using the wiring diagram we drafted earlier in the year, we have begun to connect all of the wires to the arduino shield and power supply.  After the completion of that, all we have left is to mount everything inside of the printer.  I can see the final product coming together, and it is exciting to see all of our work paying off.

Monday, May 19, 2014

Sticking Together

Now that our base incorporates a puzzle piece design instead of using angle bars and bolts, we had to figure out the right glue to use to strengthen the structure. We started off by using acrylic glue. We had trouble with the consistency from the start. The glue was very thin and hard to control, and even pouring the glue into the application bottle was difficult. But after some practice we perfected our skill of acrylic gluing. We found that the glue was very strong and when trying to break the bond, the actual piece of ¼ inch acrylic snapped before the joint did.
Next we tried super glue. We found that super glue was visible and was harder to apply since it was much thicker. Also, when trying to break the joint gave way under a lot less pressure.

Because of this testing we decided on strengthening our base by using acrylic glue at the joints.

Saturday, May 17, 2014

An EYE Update

Recently, EYE has been making amazing progress! Check out these two videos below for what they have been up to, and stay tuned for more information on the upcoming EYES program on June 14th.

Progress report: https://www.youtube.com/watch?v=EgHDwHY_1lI
April 5th EYES Program: https://www.youtube.com/watch?v=GLw-owwjeNI

Tuesday, May 13, 2014

Integrate (in't it great?)

As our project comes to its conclusion, it's time for all the teams to coordinate and build the
final machine. The build team and electronics team are currently figuring out how everything will be placed inside the printer, so all the parts and devices will run smoothly. The power button has been soldered to wires, and we have successfully integrated a MOSFET (a type of transistor) into our power supply circuit, since multiple voltages will be used.
As the school year starts coming to an end, we hope our project will be ready to print and present as soon as possible. To do this, we will have to create our final circuit design and figure out how it will fit in our machine, as well as test our software with the completed machine. Now more than ever, this project is a team effort.​

Thursday, May 8, 2014

Editing Software

The Software Team has been hard at work these past few weeks. Recently we were able to complete a settings editor page where the user can change printer features such as the printer name, user name, printer resolution and the layer depth. This page can allow the user to have further control over printing. Another task that we have been working on is the ability to have multiple templates and recent templates that the user can access. This can allow the user to print a large quantities of the same part very quickly. The Software team has been working very hard these past few weeks and we hope to continue our progress into the last few weeks to further enhance the interface and the usability for the user.

Friday, May 2, 2014

The Final Printer

A little over a week after making the decision to go with the new design, the final Inventor drawings have been finished. The final prototype has a few major differences from its predecessor. First off, the projector is now pointed downward with the image bouncing off of two mirrors. To fix the issues with the last prototype the Z-table design has been overhauled, now being attached to a square rod that spans the length of the resin pool and slides up and down the guide rods on linear ball bearings. It is still driven by a stepper motor and threaded rod. The acrylic shell will be attached via a puzzle-piecing and gluing method. Lastly, a slimmed down resin pool takes up less space. These changes make for a different look, and allow for a smaller, improved machine.

Looking forward, we aim to have it built, electronics hooked, and begin final testings within the month.