STC 89c52单片机模块：由单片机STC 89c52单片机、复位电路、时钟电路等构成，是整个系统的核心。
STC89C52 microcontroller modules: microcontroller STC89C52 single-chip, reset circuit, clock circuit constitute the core of the whole system.
STC 89c52单片机模块：由单片机STC 89c52单片机、复位电路、时钟电路等构成，是整个系统的核心。
STC89C52 microcontroller modules: microcontroller STC89C52 single-chip, reset circuit, clock circuit constitute the core of the whole system.
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