The iButton garage-door opener using an Arduino

I've made an iButton garagedoor opener and logger. On a Dutch (kind of) eBay ( I found some iButtons and readers very cheap. I had no idea what to do with them, but I bought them anyway. My garage opens with a push on a button, so it must be possible to get that working with the iButton. I also found some really cheap (0,50 euro) displays, so it would be nice if I also can make a screen t ...

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