Week 20 assignment: Final project requirements
Summary
This week, I had to Document a final project masterpiece that integrates the range of units covered.
I have to answer to the following questions:
What does it do?
Who’s done what beforehand?
What did you design?
What materials and components were used?
Where did they come from?
How much did they cost?
What parts and systems were made?
What processes were used?
What questions were answered?
What worked? What didn’t?
How was it evaluated?
What are the implications?
Also, i will have to prepare a summary slide and a one minute video showing its conception, construction, and operation
My project should incorporate 2D and 3D design, additive and subtractive fabrication processes, electronics design and production, embedded microcontroller design, interfacing, and programming, system integration and packaging
Where possible, I should make rather than buy the parts of your project
Projects can be separate or joint, but need to show individual mastery of the skills, and be independently operable
Present your final project, weekly and group assignments, and documentation
Process
The list of materials are the following:
- 1 12v-electropump (for simulating the water flow in a building).
- 2 12v-solenoid valves.
- 3 MOSFET (metal–oxide–semiconductor field-effect transistor) min 1.5A. With this I will be able to regulate the water flow with PWM and the opening or closing pulse of the valves. I will also need tin filament for soldering, resistors, LED diode, header pins, cables.
- 1 hall type flow sensor.
- 1 LED screen to show the flow variable.
- 5 linear meters of 1/2" transparent hoses.
- 6 1/2" hose to device adapters (will be tested by printing them and checking for leaks at the connections).
- 1 Seeed Studio XIAO ESP32C3 IoT mini development board.
- 0.25 square meters of acrylic to make the tank.
-Copper clad laminates for the manufacture of electronic boards.
-ABS and PLA filament for 3d printing.
Summary slide
Video clip
Check list
| Information | Answer |
|---|---|
| What does it do? | It detects a water leak in a main pipe |
| Who’s done what beforehand? | There have been several projects about water leak, but few with an interface using wifi |
| What did you design? | A module that circulates water through two pipes (one main and one auxiliary). In the auxiliary pipe it detects a water leak and sends an alarm to the user. |
| What materials and components were used? | Laser cutting of acrylic, 3D printing in ABS and PLA, milling of the base in MDF wood, an integrated circuit with Wi-Fi connectivity. |
| Where did they come from? | Fablab and an electronics store |
| How much did they cost? | Around $80 |
| What parts and systems were made? | 3D printed plastic parts for mechanic supports and for the entire base for the solenoide valves and flow sensor. Water tank of acrylic for water recirculation. Base of plastic for the PCB and base of MDF wood the project. |
| What processes were used? | 3D CAD, 3D print, PCB CAD, CNC mill, embedded programming, interface programming, network communication and integrated assembly. |
| What questions were answered? | It is possible to do a low-cost water leak detector |
| What worked? What didn’t? | I had problems at the beginning with the flow sensor, as it works with pulses, then it worked fine. |
| How was it evaluated? | It showed in the OLED the detection of the water leak, showing the average cost per month. |
| What are the implications? | We may have a water leak in our houses or buildings and may not noticed them |
| Prepare a summary slide and a one minute video showing its conception, construction, and operation | Done |
| Your project should incorporate 2D and 3D design, additive and subtractive fabrication processes, electronics design and production, embedded microcontroller design, interfacing, and programming, system integration and packaging | Done |
| Where possible, you should make rather than buy the parts of your project | They were manufactured, if not bought. |
| Projects can be separate or joint, but need to show individual mastery of the skills, and be independently operable | Done |
| Present your final project, weekly and group assignments, and documentation | Done |
License
Aqua Alert by Ernesto Buendia Platas is licensed under CC BY-NC 4.0
