Drew Bednar 8d7e83113b adding an SDCard Example for the ESP-Wrover-kit
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README.md adding an SDCard Example for the ESP-Wrover-kit
main.py adding an SDCard Example for the ESP-Wrover-kit

README.md

SD Card example

Here are the docs for the SDCard pins.

. ESP32 Pin MicroSD Signal
1 MTDI / GPIO12 DATA2
2 MTCK / GPIO13 CD / DATA
3 MTDO / GPIO15 CMD
4 MTMS / GPIO14 CLK
5 GPIO2 DATA0
6 GPIO4 DATA1
7 GPIO21 CD