Now that we have installed the analog to numeric converter (refer to previous article), we are going to setup the rendering part of the project, taking benefice of the server mode of OWFS.
The main idea is to use the famous RRD-tools on my internal web server (MICKEY, running Ubuntu 10.04 Desktop edition). And to create specific perl scripts to interface OWFS with RRD database, and, at last, generate the graphs out of RRD database.
Continue reading “Temperature probes (part 3&4): graph rendering and scripting” »
It’s been a long time since first part of this project was published… Sorry for that, but end of year, here, in France, is usually very busy, both from a professional and a personal point of view: projects to complete before holidays, kids demonstrations in their various activities, end of school year meetings,…
Now that the hardware is installed (see previous article), it’s time to have a quick view to the analogic to numeric converter part of the project.
Continue reading “Temperature probes (part 2): Analogic to Numeric converter” »