Embedded Files
Highschool Capstone Project
Highschool Capstone Project
For my high school capstone project, I designed a Bluetooth speaker from scratch. Since I was given a lot of freedom for this project, I wanted to make a quality device that I would personally use.
My aim for this project was to practice 3D modeling and to try my hand at basic electronics.
1.0 The Beginning
1.0 The Beginning
To start, I needed to come up with a plan of action. Working backwards from what I know, I formed a three step plan.
As most know, speakers have an outer case, and to make the outer case, I would need to model and print it out. However to design the case, I would need to know the size and shape of the internals.
Since the size of the electronics vary depending on its make and model, I would need to know exactly what I wanted. And because my knowledge on circuitry is limited, I decided to map out a circuit diagram to help identify all the parts I would need.
With the extra addition of spray painting the final casing, this gives me my three step plan to completing the speaker.
.
.
.
1.1 The Plan
1.1 The Plan
- Overview -
Step 1
Step 1
Electronic Circuit/Parts
Draw and design an electronic circuit that would go into the speaker's casing. This stage will determine the components required to complete this project. Since everything was being ordered from overseas, this step had to be completed as soon as possible.
Step 2
Step 2
3D Modeling/Printing
Model the casing and print it out. This step required laying out and dimensioning all the components to fit together. This step was done based off the placement of the circuitry.
Step 3
Step 3
Painting/Finishing
Paint and finish the case.
Ideally this speaker will be visually pleasing so that the most use could be made out of it.
1.2 Circuit Diagram
1.2 Circuit Diagram
This diagram shows that the following components will be required:
1x 6 Slot AA Battery Compartment
1x Bluetooth Audio Amplifier Board
2x Speakers
2-3ft of Wire
1x Toggle Switch
I found the specific voltage of the board to decide on my power source. Since I happened to have double A batteries on hand, I decided to just connect them together to meet the 9 volt minimum.
1.3 Shopping
1.3 Shopping
Due to the timing of the project, I had to pay extra for shipping in order to meet the deadline of the project.
The total cost for the electronics came out to be around $70.29 after shipping and taxes.
1.4 Electronics Purchase List
1.4 Electronics Purchase List
Speaker Drivers 10W 4ohm 2pcs Full Range $11.53
Snap On/Off Switch 250V 3A 3 Pin Black 5pcs $1.46
AA Battery Holder 6 Slot 9V 2pcs $6.83
Electrical Wires 5M 24AWG $5.87
Bluetooth Amplifier Board $21.73
Subtotal: $47.42
Shipping and Tax Total: $41.73
Discounts: $18.86
Total: $70.29
Cost Sheet:
https://docs.google.com/spreadsheets/d/1SfJLoBrMc2Dxq31CZLc9JIsPpf3ecamHc1n5wmRf-HI/edit?usp=sharing
2.0 The First Idea
2.0 The First Idea
What you are looking at is the first concept design of the speaker made on Tinker CAD. While the final product ended up looking completely different, this model helped me visually identify the different parts of the speaker including the buttons and rear battery panel.
2.1 Parameters
2.1 Parameters
After
This page is still in development.
Page updated
Google Sites
Report abuse