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Pure-Python interface for WIZNET 5k ethernet modules.

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Pure-Python interface for WIZNET 5k ethernet modules.


This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:

pip3 install adafruit-circuitpython-wiznet5k

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-wiznet5k

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .env
source .env/bin/activate
pip3 install adafruit-circuitpython-wiznet5k

Usage Example

This example demonstrates making a HTTP GET request to

import board
import busio
import digitalio
import adafruit_requests as requests
from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket

print("Wiznet5k WebClient Test")


cs = digitalio.DigitalInOut(board.D10)
spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)

# Initialize ethernet interface with DHCP
eth = WIZNET5K(spi_bus, cs)

# Initialize a requests object with a socket and ethernet interface
requests.set_socket(socket, eth)

print("Chip Version:", eth.chip)
print("MAC Address:", [hex(i) for i in eth.mac_address])
print("My IP address is:", eth.pretty_ip(eth.ip_address))
print("IP lookup %s" %eth.pretty_ip(eth.get_host_by_name("")))

#eth._debug = True
print("Fetching text from", TEXT_URL)
r = requests.get(TEXT_URL)

print("Fetching json from", JSON_URL)
r = requests.get(JSON_URL)



Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.


For information on building library documentation, please check out this guide.


This library was written by Arduino LLC. We’ve converted it to work with CircuitPython and made changes so it works similarly to CircuitPython’s WIZNET5k wrapper for the WIZnet 5500 Ethernet interface and CPython’s Socket low-level networking interface module.

This open source code is licensed under the LGPL license (see LICENSE for details).

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