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.
The Adafruit Feather nRF52840 Express is the new Feather family member with Bluetooth Low Energy and native USB support featuring the nRF52840! It's...
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$24.95
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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...
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$8.95
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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...
$19.95
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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...
$0.95
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This is the FeatherWing Doubler - a prototyping add-on and more for all Feather boards. This is similar to our
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$7.50
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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
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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...
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