pulse

Weekend Projects HOA – Beatband Sleeve LIVE Today at 3:30pm PT/6:30pm ET

[youtube=http://youtu.be/Q7vWVMKhVi4&w=620&h=349] [ad_block] Join us later today for our tenth and final installment for 2013’s Weekend Projects Hangouts On Air. We’ll be discussing the Beatband Sleeve, that turns your pulse into flashing LEDs. While there are many ways to achieve this, the Beatband Sleeve takes a novel approach to both making and learning. First, the circuit […]

Continue Reading

Use an Oscilloscope to See Your Pulse

MAKE reader Scott recently built a modified version of the IR Pulse Sensor by Sean Ragan by combining it with elements from the original circuit, as designed by Let’s Make Robots user MarkusB.

Continue Reading

HeartWave Converts Your Pulse into Water Ripples

Engin Ayaz, Tak Cheung, and Doug Kanter created HeartWave, a tabletop device which uses water ripples to visualize the heartbeat of two people at once. The sides of the tank are equipped with Polar heart beat sensors, which actuate electromagnets to pulse a fin, generating each wave. According to Doug, “variations in liquid and lighting allow for a range of unique HeartWave experiences.”

Continue Reading

How-To: Fingertip heart rate monitor

Here’s a well-documented and rather enlightening project from Embedded Lab: This project demonstrates a technique to measure the heart rate by sensing the change in blood volume in a finger artery while the heart is pumping the blood. It consists of an infrared LED that transmits an IR signal through the fingertip of the subject, […]

Continue Reading