Generic bluetooth plotter

- This App receive data(0~100) from any bluetooth(BT) device such as arduino board, BT thermal device, BT humidity device.
Then, it plot data curve on android device(Mobile, pad, etc.).
This small tool is suitable for double-A(arduino + Android) project, student, IoT engineer... to save develop time especially in the early stage.

- Data format :
For each record sent to App, the format shall be: #Sxxxx_yy!
# is the leading character for each record(fixed)
S is the leading character for record number(fixed)
xxxx is the record serial number (X axix, variable)
_ is seperated char. (fixed)
yy is the data vale(Y axix, variable)
! is ending character for each record. (fixed)

For example,
#S1234_9! is one record, it means 1234th record, data value is 9 (might be temperature Or humidity, something else)
Similarily,
#S123456_80! is another record, it means 123456th record, data value is 80

- If you do not want reminder popup dialog, just set to 999 (any number > 100)

Enjoy ~~~