Working Principle The IR sensor emits infrared light from an LED. When an object comes into range, the emitted light reflects back to the sensor’s receiver module. Based on the intensity of the ...

Working Principle The IR sensor emits infrared light from an LED. When an object comes into range, the emitted light reflects back to the sensor’s receiver module. Based on the intensity of the ...

Posted in Arduino Hacks, Medical Hacks, The Hackaday Prize Tagged 2015 Hackaday Prize, hemoglobin, infrared, ir led, photodiode, photoplethysmography, PPG, pulse oximeter, Pulse oximetry ...

The entire system is built on the backbone of an Arduino Uno with a few other parts totaling at about $150. That seems expensive, but DeBoisblanc's build covers a lot of ground.

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...