Main Board
AssemblyCompute and acquisition board: MCU, LED driver, and ADC digitize the photodiode signal and run the SpO2 algorithm. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Board
6 top-level lines as of r134335| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | Microcontroller | mcu | 1× | 1 | · | part |
| 3 | Analog-to-Digital Converter | pulse-oximeter-adc | 1× | 1 | · | part |
| 4 | LED Driver | pulse-oximeter-led-driver | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 60× | 60 | · | part |
| 6 | Connector | connector | 2× | 2 | · | part |