Quantity   Component name
1 × HMC5883L BMP085MWC 4 Axis Flight Control Sensor Electronic Compass $8.96 (icstation.com)
1 × 1602A HD44780 Character LCD Display Module LCM Blue Backlight $2.99 (icstation.com)
1 × I2C DS1307 AT24C32 RTC Module for AVR ARM PIC ARDUINO $2.25 (icstation.com)
1 × DHT22/AM2302 Digi Temperature Humidity Sensor Replace SHT11/15 $4.8 (icstation.com)
1 × Photoresistor GL5539 LDR Photo Light-Dependent Resistor $2 (icstation.com)
1 × Resistor 220 Ω $0.8 (icstation.com)
3 × Resistor 10k Ω $0.8 (icstation.com)
2 × Resistor 150 Ω $0.8 (icstation.com)
1 × Green LED 0.50€ (Ebay)
1 × Red LED 0.50€ (Ebay)
1 × Ethernet Shield WIZNET W5100 12.50€ (Ebay)
1 × Trimmer 10K 1,54€ (Ebay)
1 × Tact switch push button (6*6*H4.3) 0.50€ (Ebay)