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If PIR motion sensor detects someone nearby, the serial monitor will
display "1" , and the indicator on the module will be off. If nobody is
around, the serial monitor will show "0", the indicator will be on.
As shown below:
If your computer system is Windows7/8 instead of Windows 10, the device
can ' t be paired in Google Chrome, as a result, the digital and analog
signals can't be read.
Here, we need CoolTerm software to read data.
Open CoolTerm, click Options to select SerialPort. Set COM port and
115200 baud
rate(the baud rate of USB serial communication of micro:bit
V2 is 115200 through the
test). Click"OK"and"Connect".
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