Abstract
This design takes STM32 single chip microcomputer as the core, and uses keil as the compiling environment of single chip microcomputer program in the software. The circuit schematic diagram of subway monitoring system is drawn on Altium designer.STM32 single chip microcomputer, infrared monitoring, temperature and humidity sensor, pressure sensor, LCD display, voice broadcasting system, alarm system Switches and other hardware are connected together by hand welding tools according to the schematic diagram and the functional requirements.
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