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Articulating the cost of the “feudal” big internet company model

The internet has turned into warring fiefdoms of new feudal overlords: Facebook, Google, Microsoft etc. There are advantages of this new feudal model: free products. No system administration hassles. Higher security etc. I’m trying to articulate the costs and downsides. Less “control” for the individual is not a downside in itself. What are the things…

My Raspberry Pi Pool Timer — Selecting the Parts

(See post on the why of this project. In this post, I describe how I arrived at the picking the parts that I did, assuming it might be useful for others considering similar projects.) I start by investigating suitable hardware platforms, and quickly figure it will have to be either an Arduino or a Raspberry…

My Raspberry Pi Pool Timer — Why

(There will be more parts.) Here’s my problem: The filter and the sweep of my pool need to be run every day for a few hours. The corresponding pumps are controlled by two electromechanical timers, one of which failed recently after probably more than 20 years of service. (Timer shown to the right.) Turns out…