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Be sure to use the Arduino Stack Exchange for questions that are more Arduino and less electronics.

2 votes
4 answers
4k views

Suggestions for solar / LiPo powered 3.3v supply for Arduino

When the Arduino is sleeping along with the Xbee, I cannot even measure its current draw with the three meters I have on hand. … The Arduino itself should be fairly constant, so with the 8 MHz clock running and a nominal 3.3 V supply, it looks like the Arduino will draw under 10 mA. …
Michael Graff's user avatar
0 votes

How to build a node sensor network with a base unit to publish to the web

For a concrete example, I used a Xbee (Zigbee protocol version) to do this at my house. I have a heating element in a dog house, with monitored temperature, and a pool temperature monitor. These dev …
Michael Graff's user avatar