This project implements a real-time optical heart rate monitoring system using a transmissive photoplethysmography (PPG) sensor integrated with an Arduino and a LabVIEW signal-processing pipeline. The ...

When powered on, the round 240×240 pixel display shows the current PM2.5 concentration in micrograms per cubic meter at the top, with a thick colored ring around the edge of the screen that shifts ...

In this video I'm walking you through the steps I took to make a standalone version of my pellet level monitoring sensor that is not directly connected to Home Assistant but it functions separately .