Hier findet ihr die Ports und was an diese angeschlossen werden muss / kann.

MultiWii und Arduino 8/168/328

• D5 Button Home
• D6 Button Calibration
• D7 GPS TX (connect to RX on GPS)
• D8 GPS RX (connect to TX on GPS)
• D9 Servo Pan
• D10 Servo Tilt
• D13 LED
• A0 Battery Monitor
• A1 Buzzer
• A4 I2C
• A5 I2C

Arduino MEGA2560

• D8 Button Home
• D9 Button Calibration
• UART1 TX GPS TX (connect to RX on GPS)
• UART1 RX GPS RX (connect to TX on GPS)
• D12 Servo Pan
• D11 Servo Tilt
• D6 LED
• A0 Battery Monitor
• A1 Buzzer
• SCL I2C
• SDA I2C

APM

• OUT1 Servo Pan
• OUT2 Servo Tilt
• OUT3 LED
• OUT4 Home Button
• OUT5 Calibration Button
• A0 Battery Monitor
• A1 Buzzer