This is a ethernet relqay board with 2 relay, 2 inputs for 240 AC detector, 2 LEDs and 2 switch you can program many options; that consist:
Atmega 328p CPU
ENC28j60 red or blue board
CP2102 white board to program the CPU or similar
AVR STK500 or similar to copy the reiquared firmware to bootload:
ENC28J60 Ethernet Project
Stand-Alone Ethernet Controller with SPI Controller.
Ethernet Controller Features
• IEEE 802.3 compatible Ethernet controller
• Integrated MAC and 10BASE-T PHY
• Supports one 10BASE-T port with automatic
polarity detection and correction
• Supports Full and Half-Duplex modes
• Programmable automatic retransmit on collision
• Programmable padding and CRC generati...