Description: SCM P1 port connected 8 LED, P3.2 ~ P3.5 connected with K1 ~ K4 total of four keys, use serial port programming, 1) control by the SCM PC-P1 port number will be sent to PC- displayed in binary form on the light-emitting diode 2) Press the number sent to the host K1 0x55, press the number sent to the host K2 0xAA, the display switch to the next line.
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led.txt