In order to simplify the tedious process of pre-processing of sample for manual operation and improve the quality of pre-processing samples,a system based on on STM32 has been developed for the automatic sample cup-processing.The system hardware mainly includes STM32H750VBT6 microprocessor unit,motion control unit and sensor detection unit.The software mainly includes stepper motor control program and online pipetting detection,combining with Microsoft Visual Studio software as the human-machine interface.The result indicates that show the system has reliable running,friendly human-machine interaction,and been accurately controlling for samples during pipetting process to meet the requirement for automatic sample cup-processing.
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