Merge pull request #405 from arduino/MKR-CAN-Shield-silk-error

MKR CAN Shield has wrong silk [HC-1582]

Author: Renat0Ribeir0

content/Hardware Support/MKR Family/Error-on-MKR-CAN-Shield-silk.md

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+---
+title: Error on MKR CAN Shield silk
+id: 
+---
+
+An issue has been identified with the silk (the printed text and markings) on some Arduino MKR CAN Shield boards, where the CANL and CANH pins are mislabeled on the bottom silk, causing the labels to be swapped. To avoid confusion:
+
+* Use the top silk for reference (the top silk is on the side with the 4-pin CAN terminal).
+* Note that `CANL` is located next to `-` (or `GND`), and `CANH` is located next to `+` (or `VIN`).