Abstract: A developing system of re-configurable modularized robot is provided, and it includes a single board computer (SBC) which includes a communication interface used to receive, transmit and download the plurality of commands and responds in the communication of the run-time man-machine interface; and a master micro controller connects with the interface; a transmission unit, it is a three-wire signal transmission center, which is used to transmit the command and signal; and at least one module connects with the transmission unit, and includes a slave micro controllers and a functional unit, the slave micro controller and the functional unit used to execute the command which comes from the master micro controller.