Clik here to view.
Analog to Digital Conversion Tutorial
Hey guys, I am a teaching assistant for an introduction to engineering class for biomedical engineering majors at Vanderbilt University this semester. I created this video to explain analog-to-digital...
View ArticleClik here to view.
Connecting an LCD Screen and an Ultrasonic Distance Sensor to an Arduino
When I first started playing with Arduinos, this was the first little set up I created. The video orientation is a little poor. This was my first go at things so I apologize that I was not up to snuff...
View ArticleClik here to view.
DIY Arduino Pulse Sensor
So I mentioned in an earlier Instructable that I am a teaching assistant (TA) for an introductory engineering course for biomedical engineering majors at Vanderbilt University. My main task as a TA is...
View ArticleClik here to view.
Developing Your Electronics/Science WorkSpace
So, I'm really into science and technology. As of late, my focus has mostly been hobby electronics, but I am interested in biology, chemistry, etc. With hobby electronics, I, of course, need a space...
View ArticleClik here to view.
Arduino Home Basketball Hoop Score Detection System a.k.a. ScoreKeeper
My little sister and I found this indoor basketball hoop (pictured above) at a dumpster a few weeks ago. We were coming home from church just as two people were unloading it from their truck. We...
View ArticleClik here to view.
Rewiring a Broken Pair of Hello Kitty Headphones
We have probably all had this happen to us at some point. You buy a decent pair of headphones, but after a few months, they break. The failure mode of these devices is typically (at least in my...
View ArticleClik here to view.
Wristwatch Walkie-Talkie
Alrighty, I have always wanted to make a wristwatch walkie-talkie to emulate the communicators used in Mighty Morphin Power Rangers. My interest has recently been rejuvenated after finding a cool Power...
View ArticleClik here to view.
Bit the "Follow-Me" RoboDawg
So I have been thinking about creating a robot companion of some kind for a few years now and have finally gotten around to doing it. I also recruited a few friends to get in on the action as well. It...
View ArticleClik here to view.
PulseFit - DIY Heart Sensor with Auto-Adjusted Threshold and Heart-Shaped LED...
I am a Biomedical Engineering (BME) graduate student at Purdue University. As a BME, I really enjoy making quick and easy projects that highlight some sort of physiological quantity. Heart rate is such...
View ArticleClik here to view.
Team Valor Light Up Badge for Pokemon GO
Since Pokemon GO came out, I've wanted to make something to related to the game. I wanted something I could make in an afternoon that I could use right away, so I thought of a blinking Team Valor badge...
View ArticleClik here to view.
PulseSim - Photoplethysmograph (Heartbeat) Analog Simulator
The volume of blood in our fingers changes at different parts of the cardiac cycle (heartbeat). Immediately following ventricular contraction (when the heart pumps blood out of the ventricles and to...
View ArticleClik here to view.
Super Simple Electrocardiogram (ECG) Circuit
Electrocardiography is the study of the electrical signals produced by the heart during the cardiac cycle. Doctors monitor a person's electrocardiogram (ECG) in order to assess how the heart is...
View ArticleClik here to view.
LiPo Battery Breadboard Power Supplies
I use lithium polymer (LiPo) batteries very often in my projects. They are small, have very high current density, inexpensive, and rechargeable. They've become a staple in my electronics workbench....
View ArticleClik here to view.
The GoodNightLight: a Simple Nightlight Circuit
Hi all, I teach a Bioinstrumentation course for middle school students in the winter as a part of Purdue GERI (Gifted Education Resource Institute). In this course, I introduce students to basics of...
View Article
