===== Venus - a 485 network to packet bridge =====

Venus contains an Atmega128 with 2 uarts hooked to 485 and 232 interfaces. A series of pads provide attachment options for a Zigbee module and a Wiznet LAN interface. 

The **Wiznet** interface:
  - Sclk, AVR input
  - MOSI, AVR input
  - SCS, AVR output
  - MISO, AVR output
  - RST, AVR output
  - 3.3 V
  - Gnd
  

The **Zigbee** interface:
  - Rx, AVR, input
  - Tx, AVR output
  - RST, AVR output
  - 3.3 V
  - Gnd