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In this paper, a low - cost multi - ignition timing controller is designed based on non - controlled rocket. This system usess STM8 as the main control board, adopts the vibration switch to complete the acquisition of the time zero of the rocket, and completes the timing control of the rocket according to the established process.The system is designed for the transportation and launch of pyrotechnics, so a complete set of circuit and software flow is designed to complete such functions as pyrotechnics safety protection, rocket timing binding, pyrotechnics resistance value detection, timing controller self-inspection and reporting, overload detection, pyrotechnics ignition, fault reporting and handling.The test results show that the control er can work in - 20 ℃ to 50 ℃, adding that one can be applied to prevent hail rockets, sounding rockets, as well as simulation training in areas such as rocket, the user can choose according to different rocket motor overload detection time, according to the ignition head detonation parameters, choose different capacitance value of capacitance, according to the different process, different temporal binding, complete accurate control rocket sequential control.