Package Includes: Mini ENC28J60 SPI Ethernet Shield Network Board Module for Arduino, Ras Pi etc
http://ww1.microchip.com/downloads/en/DeviceDoc/39662e.pdf Here is a video of someone using one of these modules with a Raspberry Pi Zero
Mini ENC28J60 Raspberry Pi Zero - How To - YouTube
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Here is video of someone using one of these modules with an Arduino (Please Note : this youtube video is slightly incorrect, as the green wire from the CS pin on the ENC28J60 module actually needs to go to pin 10 on the Arduino and not pin 8. Apart from that it's correct)
Mini ENC28J60 Arduino - How To - YouTube
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The above video uses the EtherCard library. It can be imported through the arduino IDE or downloaded from here https://github.com/njh/EtherCard The item will be posted with Royal Mail 2nd class. Technical details: 1. Onboard ENC28J60 chip 2. Onboard 25MHZ crystal 3. Network interface HR911105A (RJ45 socket) 4. Powered by 3.3v 5. SPI communication interface 6. Size 50mm x 18mm x 16mm 7. 2 * 5 double pin connector (10 pins in total) Pinout CLK INT WOL SO SI SCK CS RESET 3.3V GND A datasheet for ENC28J60 chips can be found here