Originally Posted by Signman
Thanks, seems to be the only change from the 600 version.
The PDF is probably a little out of date - the v500 that's going to go into production has an extra 8pin SPI header for future expansion.
What that means is that if someone bothers to write a driver, you'll be able to add a $5 ESP8266 wifi card to the v500 and have cheap, better-than-plipbox internet access. But, like I said, it'll need someone to write a driver.