Output pin control during deep sleep
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I have a need to pulse an output pin every 2 seconds while in deepsleep (using LoPy4 and FiPy). Is there an easy way to do this?
My application is battery powered and sleeps for a good part of the time.I understand that I might have to write some code to work with the ULP. Can I do this from within MicroPython? Maybe sending the code (pre-compiled) to the ULP from within MicroPython?
Is there a good reference on how to work with the ULP? What tools should I use to write code for this? I currently use Atom and Pymakr.
Any suggestions would be greatly appreciated.
Peter.
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