Marvelmind Indoor Navigation System Starter Set HW (915/868MHz) is an ultrasonic indoor navigation system. It can locate the position of human or robots with (±2cm) precise.
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Marvelmind Indoor Navigation is an indoor GPS for 2D/3D tracking. The system is based on stationary ultrasonic technology to get the location information from the mobile beacon. The station beacons are equipped to receive the ultrasonic signal from the mobile beacon. The propagation delay from each station beacon will be calculated through ToF(Time of Flight) and trilateration to measure the distance between each beacon for locating the mobile beacon. It can provide (±2cm) precise location data for the use of autonomous robots, vehicles (AGV), and copters. It is also used to track other objects that the mobile beacon installed upon, for example, virtual reality (VR) systems, helmets for construction workers or miners, etc.
This system contains 4 station beacons, one mobile beacon, and one modem. Station beacons will be mounted on the walls or ceilings to measure the distance between each other. They communicate with each other wirelessly in ISM band(915/868MHz). Mobile beacons are installed on the human body or robots via UART or SPI or I2C or USB for GPS tracking. The GPS coordinate will be calculated and sent to the modem. All those beacons can be charged by Lipo battery or USB. The modem is the central controller of the whole system. It can gather the position information from the mobile beacon 16 times per second and finally confirm the location.
Mobile beacon from Starter Set: