It's not hard. The only problem is that most sensors use 3.3V. But the Arduino has 3.3V onboard for those sensors.
2) I have also found another solution. It's based on Arduino. Give a look, I think it's quite good, Only there aren't characteristics of IMU:https://store.diydrones.com/Full_ArduPi ... apm-02.htmWhat do you think about it? I can also take datas out from USB.Thanks for your patience.stiv