Applications and Implications¶
What will it do?¶
My purpose is to build a mechanical flower that interacts with passersby through the HC-SR04 Ultrasonic sensor that will ditect distance, once people come closer than 50cm the flower lamp will open up.
Who has done it before?¶
Similar projects have been done before, here are some of my inspirations.
This project from a previous group project in waag fab lab
What will you design?¶
The Physical Components: 1- The wooden block (where the motion sensor is attached) 2- The cone (home for my motors and PCB) 3- The petals (moving and fixed) 4- The shaft that will transfer motion from motor to petals.
The Esthetics Components: 1- Using of an Iridescent film that will reflect light. 2- Using a wooden solid block which I picked carefully.
The electronics 1- PCB with a connector to be connected to distance motion attached to flower base.
What materials and components will be used, where will they come from & how much will they cost?¶
| Out-sourced Material | Source | Cost |
|---|---|---|
| Wooden block | local market | 10$ |
| USB cable | local market | 2$ |
| XIAO-SAMD21 Microcontroller | digikey | 5$ |
| PVC Iridescent film | Amazon | 20$ |
| HC-SR04 Distance sensor | local market | 5$ |
| 4 motors | local market | 30$ |
| Adapter for the motors (5 volts) | local market | 7$ |
| female dc adapter | local market | 1$ |
| female header connector | local market | 2$ |
| Clear Resin | Local market | 150$ per 1 Liter (estimated resin used in my roject is 400ml) which is approximately 50$ for what I printed |
| Total | approximately 137$ |
What parts and systems will be made?¶
| Object | Quantity | material |
|---|---|---|
| Motors clamps holding petals | 4 | 3D print with resin |
| Cone | 1 | 3D print with resin |
| Petals from 2.8mm acrylic | 8 | laser cut |
| Iridescent film cut | 8 pieces | manual cut |
What processes will be used?¶
- Fusion360 (2D and 3D design)
- Electronics Design
- Computer controlled cutting
- Input and Output Device
- Embedded Programming
- Electronics production
- Laser cutter
What questions need to be answered?¶
Two main questions: can my motor hold my petals? and is the shaft i designed capable of holding moving the petals!
How will it be evaluated?¶
Through testing my motor with a prototype flower and shaft.
Project plan¶
I changed my plan for my final project after many weeks, therefore I only started working on my final project for few weeks only.
my project plan is as follows:
- 11- May 2D Design for petals & 3D Design of model with fusion 360.
- 25 May laser cutting of acrylic sheets to create petals and laser cutting of the bending surface from MDF.
- 28 May Testing light transfer in acrylic sheets with PVC and bending acrylic sheets with heat.
- 01 June printing of the cone and the shafts and PCB design.
- 03 June Asembly of parts and PCB milling and soldering.
- 10 June Programming.
- 12 June Slide and video.
- 14 June Presenting.