the advantage here is if the sensors are classified as medical device because of their sensitivity then by making your own you do not need a license or a doctor working on the inside to get you medical grade sensors.

Disregard it Mike, reading that comment made my brain hurt.

“batteries are made expensive to discourage meth making from the metal lithium in batteries.”

yea that’s one easy line for marketing to tell you, but even without that bs on top they are just expensive cause of the materials

I interested in the enclosures around the bus pirate and logic sniffer? any info on those?

I agree, those cases are awesome! Is that custom made or can you buy those somewhere?

Right, should be back up, I’ll keep an eye on it.

@Osgeld, @Brennan and @Joe. The cases are custom made, I’ve got a post on them (Actually my first project featured on HaD) http://stewurl.com/19

Nothing new at all here. I remember doing this back in middle school with the original Mindstorms (around 2000, maybe earlier). There were even businesses dedicated to this – they had some great sensors, like the first sonic range sensor (_years_ before LEGO thought of doing one, and they had two, one for short range, one for long), the first color sensor (I still don’t think LEGO makes these), etc.

Didn’t use I2C though – there was no such thing. You’d just program them as though they were a light sensor usually. Measured resistance and gave you a value between 0 and 100, though I think you could get more accurate than that if you weren’t using the official software.