Merge branch 'master' of github.com:adafruit/arduino-CAN

Author: ladyada

README.md

@@ -6,6 +6,7 @@ An Arduino library for sending and receiving data using CAN bus.
 
 ## Compatible Hardware
 
+* [Adafruit Feather M4 CAN Express](https://www.digikey.com/catalog/en/partgroup/sam-d5x-e5x/70620) and other [SAM E5x microcontrollers](https://www.digikey.com/catalog/en/partgroup/sam-d5x-e5x/70620)
 * [Microchip MCP2515](http://www.microchip.com/wwwproducts/en/en010406) based boards/shields
   * [Arduino MKR CAN shield](https://store.arduino.cc/arduino-mkr-can-shield)
 * [Espressif ESP32](http://espressif.com/en/products/hardware/esp32/overview)'s built-in [SJA1000](https://www.nxp.com/products/analog/interfaces/in-vehicle-network/can-transceiver-and-controllers/stand-alone-can-controller:SJA1000T) compatible CAN controller with an external 3.3V CAN transceiver