Overview

You can measure your blood oxygen level and pulse rate using a fingertip pulse oximeter -- and now with this project you can log that data wirelessly onto an SD card! Bring the comma-separated log file into your graphing software or quantified self apps for total control of your data!

Using a Feather nRF52840 Express with the Adalogger FeatherWing for real-time clock and SD card read/write capabilities. Code it all in CircuitPython and you'll be automatically logging data each time you use the pulse oximeter.

Parts

Adafruit Feather nRF52840 Express

PRODUCT ID: 4062
The Adafruit Feather nRF52840 Express is the new Feather family member with Bluetooth Low Energy and native USB support featuring the nRF52840!  It's...
OUT OF STOCK

Adalogger FeatherWing - RTC + SD Add-on For All Feather Boards

PRODUCT ID: 2922
A Feather board without ambition is a Feather board without FeatherWings! This is the Adalogger FeatherWing: it adds both a battery-backed Real Time Clock and micro SD...
$8.95
IN STOCK

SD/MicroSD Memory Card - 16GB Class 10 - Adapter Included

PRODUCT ID: 2693
Add speedy mega-storage in a jiffy using this 16 GB Class 10 micro-SD card. It comes with a SD adapter so you can use it with any of our shields or adapters! Preformatted to FAT so it...
OUT OF STOCK

CR1220 12mm Diameter - 3V Lithium Coin Cell Battery

PRODUCT ID: 380
These are the highest quality & capacity batteries, the same as shipped with the iCufflinks, iNecklace, Datalogging and GPS Shields, GPS HAT, etc. One battery per order...
OUT OF STOCK

Finger Pulse Oximeter with Bluetooth LE

PRODUCT ID: 4582
Coming soon! Sign up to be notified when we have these in stock.This Finger Pulse Oximeter with Bluetooth LE is...
OUT OF STOCK

FeatherWing Doubler - Prototyping Add-on For All Feather Boards

PRODUCT ID: 2890
This is the FeatherWing Doubler - a prototyping add-on and more for all Feather boards. This is similar to our
$7.50
IN STOCK

USB A/Micro Cable - 2m

PRODUCT ID: 2185
This is your standard USB A-Plug to Micro-USB cable. It's 2 meters long so you'll have plenty of cord to work with for those longer extensions.
$4.95
IN STOCK

Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh

PRODUCT ID: 3898
Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery...
$6.95
IN STOCK
This guide was first published on Apr 28, 2020. It was last updated on Apr 28, 2020.
This page (Overview) was last updated on May 26, 2020.