This article shows how to test that the SD card (micro SD card) and SD card socket / connections are working properly on the Arduino Ethernet shield.
The Arduino Uno board and official Arduino Ethernet shield are used in this article. The Ethernet shield contains the WIZnet W5100 Ethernet chip.
Open the serial monitor window from the Arduino IDE – if the SD card and shield are both working, card information will be displayed in the serial monitor window.
– The Ethernet shield contains the WIZnet W5100
– micro SD card
– USB cable (power)
– Arduino IDE 1.0.3 ~
Dated : 27 December 2012
Source : https://startingelectronics.org/articles/arduino/arduino-ethernet-shield-SD-card-testing/
Author : –