Making a RTC which counts how many times the machine was used etc


hi all,

i'm going making counter logs temperatures, how many times machine used , when machine due servicing (e.g. after x amount of uses or 12 months). data sent via wifi database store information.

the machine may lose power on days rtc needed keep track of time store counter.

can provide me list of hardware i'll need?
so far on list have:
arduino uno
arduino wireless sd shield network interface card
precision real time clock memory module arduino ds3231 at24c32 iic module
raspberry pi hold central database
temperature sensors

the list depends on having design. have one? yes, mostly. if aren't sure list correct, need more complete design.


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