This pulesoximeter solution is based on Texas Instruments AFE4490 This is a dual wavelelength pulseoximeter driver that interfaces DB9 connector based Nellcor OxiMax SpO2 Sensor.
| Item | Quantity at Purchase | Costs | Source | Cost per Brick |
|---|---|---|---|---|
| Microcontroller | 1 | $17.5 | Adafruit | $17.5 |
| Display | 5 | $13 | Amazon | $3 |
| Button | 25 | $9 | Amazon | $0.5 |
| Battery | 1 | $10 | Adafruit | $10 |
| PCB | 5 | $45.20 | PCBWay | $9 |
| Parts and Assembly | 2 | $54* | PCBWay | $29 |
| DB9 Connector | 1 | $2.40** | Mouser | $2.40 |
| Nellcor OxiMax SpO2 | 1 | $14.30 | Biometric Cables | $14.30 |
| Assorted Wires | 8m | $15 | Amazon | $1 |
| Assorted Screws and Nuts | 100 | $7 | Amazon | $0.05 |
| Assorted 3D printed parts | $3 | |||
| Total | $90 |
*Electronic components without DB9 connecter are $12 per board.
**The DB9 connector was soldered on manually after receiving the populated board.
Test software is located in the Arduino folder.
| Folder | Description |
|---|---|
| MediBrick_PulseOx_AFE44XX_Test | Comprehensive program that can change all device settings during runtime. |
Not finalized yet
The following files are needed for PCB manufacturing and assembly.
The Bill of Materials is formatted so that its compatible with PCBWay submissions.
These are the links to the OnShape Design files, which you can edit and modify if you have an OnShape account (OnShape has free academic accounts).