Various embodiments are presented for one or more wearable electronic devices which may be mounted on or integrated into, e.g., helmets, clothing, gear, vehicles, body portions, etc. These embodiments may be used in a variety of contexts in which user injury may occur, e.g., in outdoor sports, construction environments, military exercises, etc. In some embodiments, the device is comprised of motion monitoring sensors connected to a microcontroller (some embodiments may include pressure sensors, water sensors, temperature sensors, chemical sensors, sonic sensors, electromagnetic and radiation sensors, etc.). The microcontroller may perform all or a portion of a real-time analysis of motion and/or other sensor data provided by the monitoring sensors.
