When I use the serial console, there is no problem. But over ssh, there is considerable lag, sometimes freezing for several seconds. It will freeze both ssh connections if there are 2. I think this lead to wifi.

The raspberry pi doesn't have this problem. Are there wifi parameters to adjust?

I have found the RPi.GPIO in the latest image. It works for basic usage, but is not correctly implemented for callbacks on pin changes. Where is the source code? Also, I finally got spi working. There is a maximum write of 64 bytes?! I had no problem writing 504 byts in 1 syscall on the raspberry. W...

According to the wiki, there is a package for it, but I cannot find it python Python 2.7.12 (default, Nov 19 2016, 06:48:10) [GCC 5.4.0 20160609] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import RPi.GPIO Traceback (mo...

I am also looking for this. I would like a simple pcb with two style A usb connectors which plug into the expansion header.

Maybe I must make my own? Anyone interested in this?