6 layers
Pc healthypi move sensor v9
Protocentral/healthypi-move-hw
Hardware files for the HealthyPi Move
124 parts160MIT
2 layers95 × 79 mm
PulseOximeter
antonloof/oximeter_pico- Size
- 95 × 79 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 61
- Pads
- 183
- Tracks, vias
- 268, 20
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 13 Jul 2022
- Updated
- 24 Aug 2022
Overview
PulseOximeter is an open-source printed circuit board by antonloof, from the antonloof/oximeter_pico repository on GitHub. It is a 2-layer board of 95 × 79 mm with 28 parts on 61 nets, routed with 268 tracks and 20 vias.
It is built around the SFH 7072 and DC56-11YWA. Its parts include 14 resistors, 7 transistors and 4 ICs. It belongs with the RP2040 boards of this library.
Main components
2README
oximeter_pico_hw/readme.mdHW sidan av projektet
Förklaring av schema
- U1 är våran mikrokontrollermodul, som sköter allting.
- U2 är själva sensor som mäter puls och blodsyrenivåer genom att lysa lite LEDs, som styrs med transistorer Q5-Q7, och mäta hur stark är ljuset efter den går igenom cellerna i din finger. Den innehåller en fotodiod, som släpper en viss mängd ström beroende på ljusstyrkan- tillsammans med R9 bildar den en sorts variabel spänningsdelare, och resulterande analogt värde läses av Pico:n.
- U3 och U4 är 7-segmentsdisplayer, och båda innehåller LED:s för 2 siffror. Segmenter tänds genom själva pinnarna av Pico:n, och transistorer Q1-Q4 väljer vilken segment ska lysa. Resistorer R1-R8 begränsar ström som segmenter ska ta.
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 160 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 |
| 7 | IRLML2060 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6, Q7 |
| 2 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R12, R14 |
| 2 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R9, R10 |
| 2 | DC56-11YWA | Display_7Segment:DA56-11SYKWA | U3, U4 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | 150 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R13 |
| 1 | 180 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P15.24mm_Horizontal | R11 |
| 1 | LOGO | Graphics:kalleanka | G*** |
| 1 | Pico | PiPico:RPi_Pico_SMD_TH | U1 |
| 1 | SFH7072 | OptoDevice:SFH7072 | U2 |
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Questions
How big is the PulseOximeter PCB?
It measures 95 × 79 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PulseOximeter use?
28 parts, built around the SFH 7072 and DC56-11YWA. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the PulseOximeter KiCad files?
From the antonloof/oximeter_pico repository on GitHub, at the commit this page was made from: the board is oximeter_pico_hw/PulseOximeter.kicad_pcb and its schematic oximeter_pico_hw/PulseOximeter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PulseOximeter design in my own project?
Its repository states no licence, so its author keeps all rights: ask antonloof before reusing the design.