The data is displayed on the Arduino Serial Monitor and transmitted to a mobile phone via Bluetooth for real-time monitoring. The MAX30100 sensor detects heart rate and SpO2 levels using infrared and ...

Motion Detection with PIR Sensor Project Overview This project implements a motion detection system using a Passive Infrared (PIR) sensor interfaced with four microcontroller platforms: Arduino, ...

If you have allergies than you've likely considered picking up an air quality sensor for you house at some point. However, a good air quality monitor will run you upwards of $290.