CoreInk deepsleep
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How to deepsleep a CoreInk. The shutdown() gives a compiler error. Any idea?
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@felmue I tried the same w/o success. I will go into Github to look for.
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After looking into Github I must see that the installed library differed from the library at Github now.
After updating the compilation worked and I can test the internal battery voltage over time. -
Hello @ckuehnel
great, I am glad you've figured it out. I am looking forward to hearing what you find regarding internal battery voltage over time.
Cheers
Felix -
@felmue It seems to me that I measure not the battery voltage. The voltage is always around 4.8 V and this could be the voltage after the SY7088. So I can use that voltage as an indicator for enough battery voltage only. If I have schematics then I have the chance to a little bit deeper. Until now I did not find the schematics, yet.
Ciao Claus -
Hello @ckuehnel
Without opening M5CoreInk you probably cannot measure battery voltage with a multimeter. However you can use GPIO35 to read the battery voltage. Check out
float getBatVoltage()here.BTW: I've opened my M5CoreInk today and added some photos to my page (link below). Measuring power consumption in light sleep, deep sleep and shutdown will be next.
Cheers
Felix
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