Abstract: The article is concerned with navigation of people with limited vision in the modern urban environment. Special attention is paid to the methods of determining the position of the object in the space. The optimal method has been chosen. The article gives a detailed anylises of I2C/TWI protocol. The principal scheme of the device and program for the layout of a device created on the Arduino platform have been developed.
Index terms: navigation, accessible environment, inertial navigation system, accelerometer, microcontroller.