Low cost Ethernet shield with ENC28J60 using Arduino

  
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One of the most interesting shield that you can mount on the Arduino platform is certainly the ethernet shield, because enable numerous networking applications such as remote control of systems and users, web access and publication of data, and more yet, the simplicity of finding and integrating open-source libraries on Arduino IDE does the rest. T
Low cost Ethernet shield with ENC28J60 using Arduino - schematic

he usefulness of LAN connectivity has meant that the market would respond by offering different ethernet shield, first of all the original Arduino Ethernet Shield, which was accompanied by the good shield by Seeed Studio, both of these circuits are based on the chipset WIZnet W5100, allow multiple socket connections and can work at 100 Mbps This ethernet shield is low-cost thanks to components used: all traditional mounting (THT). This feature makes the circuit accessible to those who haven`t the equipment to assemble SMD components. The data-rate is limited to 10 Mbps. The shield is based on a Microchip ENC28J60 chip that interfaces with Arduino and data conversion according to the ethernet protocol. It integrates the MAC controller, an 8 KB Transmit / Receive Packet Dual Port Buffer and a circular FIFO managed at the hardware level, allows the programming of data retransmission in case of collision. The MAC controller supports both Unicast, Multicast and Broadcast packets, has a programmable 64-byte pattern within a margin allowed to the user and programmable wake-up on multiple packet formats (Magic Packet, Unicast, Multicast, Broadcast, specific packet match or any packet). In the circuit we see that over all`ENC28J60 there are a standard RJ45 jack with integrated LEDs, filters and line transformers, and a voltage level shifter for the SPI interface to communicate with the Arduino. MISO is the output data of the slave...



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