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Topic: Arduino GSM Shield RTC Battery Backup (Read 1 time) previous topic - next topic



I'm wanting to connect a rechargeable coin RTC battery backup supply to my Arduino GSM shield. According to the Quectel M10 datasheet the VRTC is pin 16. How do I find out which pin this corresponds to on the shield or how do I make it correspond to a pin on the shield?

Thanks for your help.

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