Hello everybody, I've made this sketch to make an arduino connected to a photocell and a GPS module, show the hour in a LCD when an object cuts the photocell, but it only works when the GPS module gets NMEA update, i've got the module updating at 3,33 Hz so if there's an excellent connection it onl…

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billhowl October 9, 2016, 8:11am 5

politxillo:
Sounds great, but, how can I do this without a RTC clock?

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