Wireless Tilt Mouse

In the circuit, the analog data from a 3-D accelerometer and from two pushbuttons are acquired, converted and radio transmitted by an XBee module using the standard ZigBee protocol. On the receiver side there is another XBee module connected to the PC through an EasyUSB module that allows both file storing and communication on the same interface and is seen by the PC as a common mass storage device. In practice, there is no need to install any application on the PC: the software that communicates with the XBee and emulates the mouse functions is inherent inside the EasyUSB itself and it is automatically recognized by the PC as an USB drive. The AA batteries power the accelerometer/transmitter board.