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Based on Bluetooth technology, this paper introduces a method of wireless communication between a manipulator and PC. A RS232 interface is connected between PC and Bluetooth module, and the manipulator controller and Bluetooth module are connected by UART. PC detects, communicates and initializes the Bluetooth module using software designed for it, and manipulator communicates with the Bluetooth module using Host Controller Interface program. Via this approach, the paper realizes the communication between a manipulator and PC. The paper first introduces the Bluetooth technology, then the methods of hardware and software designs for the system are proposed. Finally, through an experiment, the paper verifies the wireless communication between PC and a manipulator via two Bluetooth modules is feasible.