Project Details

Hardware gadget

Software GUI

In July we developed an Android application which uses WiFi to send data to PC. Oximeter sends data via Bluetooth to android application which then relays it to PC via WiFi connection. User can also control oximeter operation from PC.


Pulse oximetery refers to a non-invasive method of monitoring a persons blood oxygenation level. Most common oximeters use different absorption characteristics of light at different wavelengths to measure blood oxygen level and heart rate. We have implemented a low-cost, low-power, high-speed and reliable oximeter design. Our oximeter differs from prevailing technology in one very important respect. We took inspiration from Internet of Things (IoT) technology and thus designed centralized oximeter to be a connected device. Oximeter is equipped with Bluetooth low-energy (BLE) technology which allows for connected device operation in an integrated environment.
While providing all the features a conventional pulse oximeter does, our oximeter integrates a host of innovative features. Oximeter can send real-time patient monitoring data e.g. Oxygen level and heart rate to a central hub which then analyzes the data and takes appropriate actions such as alerting a health care personnel in case a patients readings drops below a certain threshold value.  

This project's next version is coming soon

Work on second prototype began soon afterwards. The goal of second prototype was to fix Bluetooth connectivity issues and improve controller performance while not compromising on power consumption and repeatability. We solved the connectivity problem by implementing the then-latest version of Bluetooth, namely, Bluetooth 4.0 in our project which introduces significant improvements in connectivity and pairing.

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