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About the application:

This apk sends the measurements from your smartphone inertial sensors via UDP as CSV (Comma-Separated Values) to a computer in your network. This turns your smartphone into a wireless inertial measurement unit (IMU). The following sensors are supported: - Accelerometer - Gyroscope - Magnetometer If your smartphone has not all these sensors, only the accessible sensor data is transmitted. Example UDP packet: 890.71558, 3, 0.076, 9.809, 0.565, 4, -0.559, 0.032, -0.134, 5, -21.660,-36.960,-28.140 Timestamp [sec], sensorid, x, y, z, sensorid, x, y, z, sensorid, x, y, z Sensor id: 3 - Accelerometer (m/s^2) 4 - Gyroscope (rad/s) 5 - Magnetometer (micro-Tesla uT) You can run this apk in the background. A warning dialog appears, if you are not connected to a WiFi network. In the example video, the stream is directly processed by a MATLAB script for Kalman Filtering. But it's up to you, what you do with the data. With the following Python script you can capture the UDP data stream from your smartphone: # ------------------------------------------------------- import socket, traceback host = '' port = 5555 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1) s.bind((host, port)) while 1: test: notice, address = s.recvfrom(8192) print notice except (KeyboardInterrupt, SystemExit): raise except: traceback.print_exc() # -------------------------------------------------------