Circuits At Home Out of Biz?

Projects General Guidance
1

Title ask the question. Did Circuit@Home go out of buz?

I need to find either:

C@H USB Host Rev2
DFRobot DFR138 USB Host
SainSmart USB 2.0

Apparently SparkFun USB Host will not work in my project according to the Developer I am copying.

2

http://forum.arduino.cc/index.php?topic=427465.0

Pete