If you want a device that could measure your heart beat and plot its curve trace on an OLED display, then this will be your best guide.

Interfacing MAX30102 with Arduino + BPM measure project with OLED + buzzer.

Get your heart rate, not just an IR sensor reading.

In this project we show how we made a single-lead ECG monitor for heart-rate variability using the MAX30003 and an Arduino Uno.

A dress with my painting of flowers on the fabric; fireflies in the flowers blink according to wearer's heart-rate.

How to measure heart rate with an Arduino.

Prevent back pain by detecting bad posture and correct it immediately!

NeoPixel RGB LED strips for lights and an RGB LED star made this Arduino programmable holiday sweater fun to tinker with.

Medical devices are expensive! They don't have to be!

Having problems sinking your birdie putts? Maybe your putter grip is on crooked! This project gives you a way to perfectly align your grip.

An I2C interface with Blynk.

USING HEARTBEAT SENSOR FOR COUNTING THE NUMBER OF HEARTBEATS per MINUTE

The FIRST stop smoking device! !

A smart gadget made with Arduino that makes sure you never miss your medicine or pills.

Countdown clock easly configurable, quickly restarted and with alarm.

Wheelchair whose motion can be controlled using simple hand gestures.

An outfit made of Martian material. It provides awareness of its environment. Let's protect the Earth even if we can move to Mars.

Record your exertions on the Borg scale.

To get my entry pass to our #Seeed10 Annual Party, I weaved out an owl that has two huge light up eyes as my light-up project.