Hi, I've got a Duemilanove and a WiShield hooked up to a temp sensor and a photoresistor. I want to put it outside on a 9v battery, but am afraid it will eat through the battery. Realistically I only need new information every 10 minutes or so. How can I get the Arduino to go into low power mode fo…

Best Way to Save Power

system May 19, 2010, 4:42pm 4

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