Lab Time

I spend a lot of time working away on projects in my laboratory. I am a Neuroscientist and I am currently studying olfaction. I make devices, do experiments, and try to figure out how the brain works. This is a chronicle of all things lab related.

Showing posts with label RS232. Show all posts
Showing posts with label RS232. Show all posts
Monday, March 19, 2012

MFC Control Complete

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Today I finished implementing control over my mass flow controllers from Alicat.  I now have the capacity to drive two MFCs via analog volt...
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Thursday, March 15, 2012

My Awesome Test Setup

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Here's a picture of my setup.  On top of the Arduino is our custom valve driver shield.  Attached to the shield DB9 port is my hastil...
Wednesday, March 14, 2012

Why is RS232 so Backwards??

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Ah the beauty of old conventions.  I could not understand why RS232 treated -ive voltages as 1s and +ive voltages as 0s.  But, I got a bit ...

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Just resolved sending also and I got my first serial port comm between Arduino and the MFC.  In the end, I simply inverted both the transmi...

In the light of the morning

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In the light of the morning, answers come: http://www.sparkfun.com/tutorials/215 It looks like the MFC is using an RS232 standard but th...
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