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

udoklein May 19, 2010, 6:37pm 6

Yes, the PCINT interrupts may wake it up as well. PCINT is available for almost any pin.

Udo

Topic		Replies	Views
Sleep time and battery saving adjustments Programming	5	2660	May 5, 2021
Power power sleep modes Programming	2	812	May 5, 2021
Is there a low power mode? Frequently-Asked Questions	17	16213	May 6, 2021
Waking Arduino once per minute on timer based int Syntax & Programs	17	11806	May 6, 2021
Wake and sleep General Guidance	6	1394	May 5, 2021