Question

What pins does the Arduino Ethernet shield use?

Answer 1

To use the shield, mount it on top of an Arduino board (e.g. the Uno). To upload sketches to the board, connect it to your computer with a USB cable as you normally would. Once the sketch has been uploaded, you can disconnect the board from your computer and power it with an external power supply.Feb 5, 2018

Getting Started with the Arduino Ethernet Shield and Ethernet ...

www.arduino.cc \u203a Guide \u203a ArduinoEthernetShield

www.arduino.cc \u203a Guide \u203a ArduinoEthernetShield

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Arduino uses digital pins 10, 11, 12, and 13 (SPI) to communicate with the W5100 on the ethernet shield. These pins cannot be used for general i/o. The shield provides a standard RJ45 ethernet jack. An Arduino is necessary to use this shield but is not included.