A coin cell feeding the RTC and a diode between the RTC VDD and the PIC VDD works well.
For the code jump add a button. At startup if the time needs reset for some reason hold the button.
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A coin cell feeding the RTC and a diode between the RTC VDD and the PIC VDD works well.
For the code jump add a button. At startup if the time needs reset for some reason hold the button.
Dave
Always wear safety glasses while programming.
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