I have made temperature sensor in the past, but now I added power saving features to the code.
The result was a device which lasts almost a month when it reports temperature once an hour over XBee and is powered by 1000mAh LiPo battery.
Instead of official Arduino, I used …
[more]As a continuation from my motor shield article, I put my motor shield and Arduino combination on wheels and added a wireless shield to go with them.
Required parts:
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