Spectrometer -- basic RTC and SD-Card writing

Projects General Guidance
1

Hi, I'm trying to work out RTC and SD-Card writing for this spectrometer.
This is my first real Arduino project.

spectro
spectro1920×1440 204 KB

The RTC is available in 3 places. REV4 board, EnergyShield2 and one of the two SD-Card readers I ordered.
https://www.amazon.com/dp/B00PI6TQWO?psc=1&ref=ppx_yo2ov_dt_b_product_details

This SD-Card reader is preferable to avoid stacking the height with another shield.
https://www.amazon.com/dp/B07BJ2P6X6?psc=1&ref=ppx_yo2ov_dt_b_product_details

Should I rely on the EnergyShield2 for the RTC?
How do I power the microSD reader? Do I try and tap the power pin between the Arduino and the EnergyShield?

How would you go about this?

2

I would learn to use each device individually, using available library examples.

Once I fully understand how each device works, then I start with working code for any of them and add one feature at a time, debugging as I go.

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