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How to modify DS1307 RTC to use 3.3V for Raspberry Pi?
I bought DS1307 RTC but it is 5V so it can't be connected to the Pi. I know it can be modified to use 3.3V by removing 2 resistors. This sensor is different than the adafruit kit so I am not sure which resistors to remove. It also has 2 sets of pins. What are the extra pins for and which should I use and which pins do I remove?
Here is the image of the RTC:
Here's the datasheet for the DS1307 RTC.