Arduino UNO with ENC28J60 module and SD card module

Juraj · May 12, 2021, 5:24am

it is 5 V tolerant on logic level, not on powering. there are modules which can only be powered with 3.3 V and modules which have IC to convert 5 V to 3.3 V
https://github.com/jandrassy/EthernetENC/wiki/Hardware

the differences to UIPEthernet:

github.com

jandrassy/EthernetENC/blob/master/README.md


EthernetENC is the Ethernet library for ENC28J60. It is a modern version of [the UIPEthernet library](https://github.com/jandrassy/EthernetENC/wiki/UIPEthernet).

The modernization includes:
* Ethernet 2.0.0 Arduino library functions
* compatible include file names EthernetClient.h, EthernetServer.h and EthernetUdp.h 
* support of many Arduino architectures by using the SPI library
* SPI transactions to share the SPI bus with devices with different communication settings
* SPI communication at 20 MHz if the MCU supports it, else on the maximum supported by the MCU
* client.flush() to send the packet immediately
* calls yield() in blocking functions 
* has UDP backlog to receive more than one message at time
* Arduino 1.5 library format built with dot_a_linkage option  for optimal build result

<details>
  <summary>Notes for ESP (click to expand)</summary>
  
* *For esp8266 Arduino there is a much better option for enc28j60 than using this library. Use the lwIP_enc28j60 library bundled with esp8266 Arduino boards support package 3. (There is also a lwIP_w5500 and lwIP_w5100 library.)* 
* *For ESP32 it is better than using a MAC layer module like the enc28j60 to use a PHY layer LAN module like LAN8720 supported by the ESP32 MAC peripheral and the Arduino boards support package.* 
</details>

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Arduino UNO with ENC28J60 module and SD card module

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