* ASUS wl500-gP wireless router (70 EUR)
   * Canon A590IS + memory card + CHDK (130 EUR)
   * USB connected GPS (with battery?) (100 EUR)
   * USB Flash stick (10 EUR)
   * powered USB2 hub (15 EUR)

   * 30watt 12v to 5v dc-dc converter module SUNPOWER SDS-030A05 (50 EUR)
   * 12V 10Ah LiFePo battery (140 EUR)

   * Arduino microcontroller board (30 EUR)
   * 2x 12-position rotary switch
   * big red pushbutton (with led?)
   * green led, blue led, red led, rgb led
   * 4x 8-segment led bar 
   * 16x diodes
   * 16x 1k resistors

   * power connectors for hub and router
   * power cables
   * on-off switch
   * fuse with holder 

   * bike-mountable box (100 EUR)

Accesories:

   * mains battery charger (50 EUR)

SUM: 695 EUR