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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: take your pulse
Date: Fri, 30 Sep 2016 12:31:18 -0700
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Ilya Tarasov <ilya74.tarasov@gmail.com> writes:
> 10+ years ago I did the same with small differences.
> 1. Put your finger on the IR sensor, attached to a small board with FPGA.
> 2. Program on Forth-CPU automatically starts and calculate your pulse,
> pulse variations and draw you cardiogram.

Heh, today a thing like that would upload the data to The Cloud(tm)
where it would be sold to advertisers.  Eventually it would download
some malware and become part of a botnet used in DDOS attacks ;-).