Integrated with a mid-range PIC microcontroller A/D module, collecting the the LM35 output of analog temperature value, the sampling speed of 2Hz. Then the 10-bit A/D conversion results are divided into high and low two bytes (high byte 8, the low byte 2), spread to the PC via USART module asynchronous mode. Communication mode is set to the baud rate 9600 frame format to 8 data bits, no parity, 1 stop bit.

MCU and PC temperature data acquisition system.doc

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