techtravels.org

Latest articles

changed from rxtx to jd2xx

Okey dokey. I’ve changed from rxtx to jd2xx.  rxtx didn’t support DTR/DSR flow control, which really is an absolute must for my application.  There would have to be hardware changes that I’d be...

basic schematic

I put up a rough schematic of my design.  It’s not perfect, and will be updated in the near future, but if you are interested.
Click the image below for a full size image.

data rate vs throughput

Although I’m transmitting from the Parallax SX microcontroller to the PC via USB at a data rate of 2mbps, the actual throughput is much less.  First, there is some overhead, namely start and stop bits, which is...

java software updated

Tonight I’ve finally got around to adding a config file option so that you don’t have to keep selecting a comport to open.  It also remembers your “number of retries” before skip options. Simply...

switched servers

Well, I’ve switched servers at my webhost.  I’ve updated WordPress and Gallery.  No major changes, but both of these updates fix security vunerabilities.  I’ve been wrapped around this for a...