DIY ECG
I’m taking a two hour class about bio-electricity where I also make a DIY ECG (electro-cardio-gram, the one for the heart). Signed up yesterday, and today, there’s a video of a guy (who’s headed to dental school soon, dunno why, but that seemed an interesting detail to add), who made a really simple one:
He has a funny bit at :45 where he mentions that he needed a capacitor to smooth out the current — when he was hooked up to the oscilliscope (one of his out put devices) he was picking up Spanish radio!
The blog entry is pretty fun as well. He has lots of fun extra detail.