Why this guy, who know how to standby the Arduino, continues to use an external quartz while having plenty of internal clocks is difficult to understand !
b) Take a look at atmel’s 168 manual which goes into detail about which modules can and can not be disabled during sleep. The only downside is the time it takes to wake the device (and all its modules) back up from sleep. Complete manual here:
a) Stop firsting- this is not some stupid discussion forum.
How about switching to power saving/watchdog more often for shorter amounts of time? Will there still be a benefit?
And if yes, are there any drawbacks associated with going into power saving mode and handing execution over to the watchdog (except from not being able to execute code during power saving, obviously)?
So all you need is activate it by code when you have time/cycles to spare in your implementation?
Is this just the atmega chip itself providing the watchdog and power saving functionalities, and therefor the energy saving potential?
Battery life is often overlooked when building projects, especially for beginners. This tutorial takes you through the setup of . Utilizing the watchdog and sleep functions, they put the chip into a hibernation mode between cycles. An optimum configuration could take your battery life from 4 days to about 3 years. ВPFor a lot of you, this is old news. But for the rest, this is really good stuff. You can download a sample application from the site that mimics the singing of a nightingale when the sun goes down.
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