Android controlled USB file transfer hub

The USB is a mainstay in computer electronics and has been one of the most prominent peripherals in the world because of its portability and accessibility. On the other hand, smartphones have taken the world by storm because of the features it offers and of the convenience it seek to provide. This study focuses on implementing a USB hub controlled by a software installed to an Android phone. Using Bluetooth technology, the phone will communicate to the hub wirelessly to perform file transfer operations. The conditions which show optimum system performance were determined through varying USB flash drives and different file sizes during testing. The tests verified different transfer rates per file for the copy and paste functions. Other tests for overwrite, rename, delete and move was also accomplished as well as the operating distance between the phone and USB hub. Based on the test results, the system was able to achieve the target 75% of the speed shown by the two test PCs in transferring files up to the 120 KB size range for single-to-single points, 50 KB in multiple-to-single and single-to-multiple points, and 20 KB for simultaneous transfer. The peak average transfer rate of the prototype was 219.284 KBps in a single point transfer. Transfers of other file sizes showed that there is a significant difference in the transfer rate reached by the prototype and PCs