Good day! In this post I want to share with the Internet community on how I happened to make a automatic light on the stairs in his two story cottage. About four months ago, returning from work in the dark, I successfully slipped and broke two pljusnevyh bone (finger) on his left foot. A whole month had fail in bed, so as to step on the foot was incredibly painful. Then another half of the month was lame without plaster (who had fractures, I’ll understand). After this sad story, I began to think about automating the lighting of the stairs. A bit of tinkering with the search query found a very simple solution in this blog, just based on my favorite Arduino microcontroller. The scheme did not cause any difficulties, but was baffled by the number and length of the wires that I had to mount. Prior to that, did nothing of the sort. To buy ready decisions, or to hire someone is expensive.
During the month ordered needed parts, and slowly assembled a few days on your ladder. For anyone interested, what came out of it, welcome under kat!