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DIY Nursery Temperature Monitor with RGB LED Indicator and ATTiny45

Let me start by saying I found out a few weeks ago that I’m going to be a father. This is my first child and as you can imagine I’m filled with excitement and nervous energy. Both my wife and I both agreed that we wouldn’t start actual preparations for the coming baby until the 12th week to ensure all was well (1 in 4 pregnancies end in miscarriage). I just couldn’t sit still and wait, I started reading about what to expect, how to care for a newborn, and so forth.

It was while I was reading about SIDS (sudden infant death syndrome) that I saw a few articles discussing the proper temperature for a nursery to help prevent the SIDS. The articles all agreed that cooler was better, ideally between 64 and 74 degrees Fahrenheit.

The Stirling Engine

So over the last couple of days I’m been reading about these engines. Fascinating and yet so simplistic my mind goes crazy with cool things I could use it for. Well, not necessarily the most… The Stirling Engine