first and working ethernet

Refernce Code/RP2040-ETH-WS2812B/Python/ReadmeEN.txt

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+/*****************************************************************************
+* | File      	:   Readme_EN.txt
+* | Author      :   
+* | Function    :   Help with use
+* | Info        :
+*----------------
+* |	This version:   V1.0
+* | Date        :   2021-11-22
+* | Info        :   Here is an English version of the documentation for your quick use.
+******************************************************************************/
+This file is to help you use this routine.
+Here is a brief description of the use of this project:
+
+1. Basic information:
+This routine is used to test or demonstrate WS2812B on RP2040-Zero.
+
+2. Pin connection:
+You can check the pin connection at RP2040-Zero.py, and repeat it here:
+DIN    ->    16
+
+3. Basic use:
+    1): Press and hold the Bootsel button on the RP2040-Zero board, connect RP2040-Zero to the USB port of the 
+        computer through the Type-C USB cable, and then release the button.
+        After connecting, the computer will automatically recognize a removable disk (RPI-RP2)
+        
+    2): Copy the rp2-Pico-20210902-v1.17.uf2 file from the Uf2 folder in the Python directory to an identified 
+        removable disk (rpi-rp2)
+    
+    3): Update Thonny IDE
+        sudo apt upgrade thonny
+        
+    4): Open Thonny IDE （Click raspberry logo -> Programming -> Thonny Python IDE ）
+        select Tools -> Options... -> Interpreter
+        select MicroPython(Raspberry Pi Pico  and ttyACM0 port
+        
+    5): Open the Python/ rp2040-zero.py file in Thonny IDE
+        Then run the current script (little green triangle)
+