Hardware Bill of Materials
Complete component lists and specifications for building each ARIA variant. All prices are estimates based on common retail sources.
$278
Estimated Total
15
Components
4-6 hrs
Build Time
Beginner
Difficulty
Compute & Processing
| Component | Description | Qty | Price | Source |
|---|---|---|---|---|
|
Raspberry Pi 5 8GB
Main compute unit for AI processing
|
BCM2712 quad-core, 8GB LPDDR4X | 1 | $80 | raspberrypi.com |
|
MicroSD Card 64GB
Boot drive and storage
|
Class 10, A2 rating recommended | 1 | $12 | Amazon |
|
USB-C Power Supply 27W
Official Pi 5 power supply
|
5V/5A USB-C PD | 1 | $12 | raspberrypi.com |
|
Active Cooler
Heatsink + fan for sustained AI workloads
|
Official Pi 5 active cooler | 1 | $5 | raspberrypi.com |
Audio System
| Component | Description | Qty | Price | Source |
|---|---|---|---|---|
|
ReSpeaker 4-Mic Array
Far-field voice capture
|
4 microphones, I2C/USB interface | 1 | $35 | Seeed Studio |
|
3W Amplified Speaker
Audio output with clear speech
|
PAM8302 amplifier, 4ohm speaker | 1 | $8 | Adafruit |
Visual Output & Sensing
| Component | Description | Qty | Price | Source |
|---|---|---|---|---|
|
3.5" IPS LCD Display
Emotion/status display
|
320x480, SPI interface | 1 | $25 | Waveshare |
|
WS2812B LED Ring (24)
Petal emotion display
|
Addressable RGB, 5V | 1 | $10 | Adafruit |
|
Pi Camera Module 3
User presence detection
|
12MP autofocus, wide angle | 1 | $25 | raspberrypi.com |
|
MPU6050 IMU
Tremor detection sensor
|
Accelerometer + gyroscope, I2C | 1 | $8 | Amazon |
Enclosure & Miscellaneous
| Component | Description | Qty | Price | Source |
|---|---|---|---|---|
|
3D Printed Enclosure
Bloom flower shell (STL provided)
|
PLA filament, ~200g | 1 | $25 | Self/Service |
|
Jumper Wire Kit
M-M, M-F, F-F assorted
|
Various lengths | 1 | $8 | Amazon |
|
Standoffs & Screws
M2.5 and M3 for mounting
|
Nylon standoff kit | 1 | $8 | Amazon |
|
USB-C PD Battery (Optional)
Portable power
|
20000mAh, 45W PD output | 1 | $40 | Amazon |
| ARIA Bloom Total (without optional battery) | $278 | |||
Download the complete BOM as a spreadsheet for easy ordering.
Download CSV from GitHub