The boards are here
Woohoo! My boards have arrived from China. It cost US$99 for a minimum run of boards from Golden Phoenix, by far the cheapest price I found. That price included Fedexing them to my door.
I ordered 16 boards but they sent me 22 and they were in my hand 8 days after placing the order. The best price I could find from an Australian manufacturer was around $300.
Visually they look perfect although I have not electrically tested them. So far I am impressed!
But I have been slack and have not ordered the parts so I cannot assemble them yet. I’d better get onto that.
Very cool. Will it do voltage level conversions as well as baud rates?
It has a proper line driver. The output voltage levels swing from about +4V to -4V which is RS232 compliant. The receivers will accept 0-5V or even 0-3V so you should be able to use it as a TTL->RS232 voltage level converter.