Perpetual Thrill

Creators of As One, an interactive, biofeedback driven flame installation

View the Project on GitHub

Ok, now we are in business. Here is the current prototype, with the Olimex MOD-EKG under battery power on one side of the isolator and the microcontroller and computer on the other.

successful isolation proto

Aaaand, here’s the output from that run through a processing sketch that shows a totally reasonable ECG. Success!

raw output processing sketch

Lastly, here is that same output, captured to a CSV and high-pass filtered with a 21 sample mean. Even with heavy filtering, the QRS complex is super clear and easy to spot. Excellent.

filtered data graph