This week we started with teambuilding. We also picked our top 3 themes:
- Plan the prototype hardware and software configurations
Introduce here a brief report of the meeting.
We did not know this agenda was for the meeting with teachers. Benedita told us about the report. We explained the three problems we came up with:
Instead of thinking of a whole system, we should focus on making a product. We are going to focus on a smart mixer. We need to know how to control the expansion tank. We need to figure out if it is worth making the product with a cost analysis. The professors recommended us to have a meeting with Professor Manuel Silva
Think of the question: 'if it was your own, would you want it? Where should the device be in the room?' Professor Silva did not know if it is possible to send the water back to the boiler. We have to ask ourselves the question why we need the tank and why we don't send the cold water back to the boiler. We need to do research on how the boiler works. The main 3 problems are: - Cost - Space - Construction Works
We need to redo our components and material list with prices because it was not correct.
We also need to redo the black box diagram with all the updates of our product.
We have to analyse which of the two versions(back to the boiler, guided to the toilet tank) we want to focus on.
We chose to go through with the toilet tank version. We still have to do some research on different valves, should we use a 3 way electrical valve or two seperate solenoid valves? Where should the extra toilet tank be located and how would we make the connection between the two tanks? We came up with two volume sensors that would send out the signs to the valves between the tank, the water supply and the toilet.
Flyer:
To do:
Feedback wiki: - Start page has no titel, goals and requirement - Logbook: add completed activities - Report: add glossary - SOTA: introduction, big description - Chapter 7: caption the figures, reference the figures - No description about smart system (chapter 7) - Colours for the concept drawing - Figure on the ideation (of brainstorm) remove letters up top - No drawings of the actual product
Feedback schematics: - Upload schematics to the wiki, teams and maybe in mail to Paolo - Is the Arduino capable to power the leds without a intermediate circuit
Feedback flyer: - Maybe: reuse instead of save your cold water - Maybe: use drain instead of let it go to waste - Heading on the second checkmark, so you need a heading on the first checkmark - Water reservoir with a small W - Maintainance is without capital M if support is without
Presentation: Professors will share with the teams a questionnaire, you will do a self-assessment No papers, no smartphones for the presentation, be relaxed, equal presenting, probably 10 minutes, at most 10 slides, Problem → requirements that derives from SOTA, from analysis, market analysis, ethics analysis → proposed concept → detailed schematics (smart system and object) → list of materials and components All about presenting proposed solution. How do all the research merge together
!Next week: introduction and related studies regarding the scientific paper !Calculations written and inserted using wiki facilities !Write 7.5 Prototype Development Do not use spaces in the string which corresponds to the key, the one about direct macro Chapter 4: missing 4.7 and 4.8
Packaging solutions What kind of recycled plastic? One thing is to have recyclable material, the other is to have degradable plastic What kind of filament. Provide a comparison table: is it degradable, biodegradable, reused, water resistant The packaging solution is for transport, it often comes with marks and dents, this case can suffer from that. It needs extra protection for shipping, our packaging can be when you get it from the store. Create a narrative to explain the situation The corners need to be maybe rounded, so people don’t hit on the hard corners. Maybe some protective corners How do we connect the two parts
Questions about the stress test Fixtures: Fix the points Take everything you don’t need away from the simulation, only the important things Take the hole from the pipe on top away and fill it with the same material (of the tank), then you can apply pressure What is the thickness of the wall? Ask professor for help: jfj@
Status of the components Benedita made the request to have authorization to order, probably this week
Electricity lab If we have breadboards and jump boards, we don’t need it. If we solder, they can not reuse it next year
Last meeting We exemplified the user interface. Potentiometers are components that have some wear and tear (friction). We are placing it in a wet environment, so we must ensure that the shaft is waterproof, if it is plastic it is fine.
To do Work on paper Work on structure of prototype Work on report - calculations
PACKAGING:
OTHER
Overvoltage from microcontroller In the meanwhile buy one, because she has Arduino but no others, buy at mouse? Near to train station Test chapter is too generative, be more specific; which electrical functions, … ? what will you be testing, which functionalities? Project management add sprints In project development report give final solution and explain, do not explain step by step In paper: don’t force placing images and others Find better way of using words, try to make it shorter and more focused Instead of ‘ways of saving water’ → ‘method’ Reduce columns to 1,5 cm instead of 2 ‘liters saved’ → ‘savings’ User awareness? → yes or no Smartness → yes or no (if you want to specify, add footnote Check example she will leave behind. Cost should be price. If you want to refer to wiki: ‘for further information, go to this link’ Deadline: 10 of June. So it should be ready 5 of June!!!!!
The problem with the temperature sensor is not actually a problem. we should redo the test letting hot water pas through the pipes longer so it has time to warm up. we need to do a performance test. Ask Abel for the outside termometer.
Benedita will lend us a plastic box for the casing.
Corners of the tank must be rounded
Redo images
Overleaf
Presentation