Razberry: lets do temerature logging and a graph...

I've just updated to a recent 1.4 snapshot and added in HABmin to the config without any real difficulties, so time to see if I can persist the temperature data and do a graph I think.

oh yes, balls are the way to do it

or the use of styrofoam balls to evaluate light sources.

After thinking about ways to evaluate softboxes, brollies and the like, I decided to try polystyrene balls as a target to better see what is going on and it works really well.

 Here is a set of balls I got from hobbycraft - middle sized and big ones alternating - hanging in front a bare naked flash (Yongnuo 565), set to 24mm with the diffuser in place.

The balls are all lit with a hard edge around the circumference of each ball, there is a little reflected light showing from the white ceiling and other balls, but not enought to matter really. Below is a zoom in on the centre 3 balls.

CrashPlan on Raspberry pi - not such a good idea?

I continued to try to make Raspberry Pi with CrashPlan a viable backup server, but after running it for a few days and looking for various ways to  make it more robust, I've decided to give up on this and run CrashPlan along with a few other services on a baby server. Explanation follows.....