Mark II Raspberry Pi Prototype 3 Bill of Materials
| Part # | Part | Description | Link |
|---|---|---|---|
| 1 | Raspberry Pi 3 | Single Board Computer | Element 14 |
| 2 | Respeaker Mic Array v2.0 | Multi microphone array and DSP | Seeed Respeaker Mic Array |
| 3 | Waveshare LCD | WS 4.3" Capacitive touch 800x480 LCD | Waveshare |
| 4 | Amplifier | Adafruit 20W Class D Audio Amplifier | Adafruit |
| 5 | Power Converter | Drok 12v to 5.2v 5A Buck Converter | Drok |
| 6 | Speaker Drivers | Peerless TC5FC07-04 1-1/2" Full-Range Driver 4 Ohm | parts express |
| 7 | MicroSD Extension | 15cm MicroSD card extender | ebay |
| 8 | Power Supply | Tri-Mag 12v 3A 36W power supply | digikey |
| 9 | Mic Headers | Two 2x8 Headers Amphenol 57202-G52-08LF | Digikey |
| 10 | Mic Connector | Connectors Pro 16 pin IDT 2mm 2x8 | Amazon |
| 11 | Mic wire | 1mm 16p ribbon wire | Amazon |
| 12 | Mic USB connector | USB A break out board | Amazon |
| 13 | i2c - Rpi Connector | 40 pin 2.54mmm pitch 2x20 Rpi connector | Amazon |
| 14 | i2c - Amplifier Connector | 16 pin 2mm pitch | Mouser |
| 15 | i2c 40p Cable | 40 pin IDC 1.27mm pitch riboon cable | Amazon |
| 16 | Mic Screws | m2 x 4mm Philips Machine Screw | m2 x 4mm screws |
| 17 | M2.5x6 screws | m2.5 x 6mm Philips Machine Screw 92000A104 | m2.5 x 6m screws |
| 18 | M2.5x10 screws | m2.5 x 10mm Philips Machine Screw 92000A106 | m2.5 x 10m screws |
| 19 | Red wire | Red 22 gauge solid core wire | Adafruit |
| 20 | Black wire | Black 22 gauge solid core wire | Adafruit |
| 21 | LA USB-A to LA MicroUSB | Cerrxian Left Angle USB-A to Left Angle MicroUSB | Amazon |
| 22 | Mark II Rpi3 R2 Housing | The Mark II Rpi3 R2 3d printed housing | CAD |
| 23 | M2.5 Threaded inserts | Uxcell M2.5 Threaded inserts 3.5 mm OD x 4 mm | Amazon |
| 24 | M2 Threaded inserts | Uxcell M2 Threaded inserts 3.2 mm OD x 3 mm | Amazon |