Polar Scanner

Commands

• SERVO <ANGLE> : sensor rotation on the X axis, from 0 to 180 degrees
• STEPPER <STEPS> : sensor rotation on the Y axis. A 360 degrees rotation on the 28BYJ is 512 steps.
• MESURE : telemeter sensor mesure in centimeters
• SCAN <STEPPER STEP> <STEPPER NBR> <SERVO STEP> <SERVO NBR> <SERVO FROM> : Performs <STEPPER NBR> * <SERVO NBR> mesures.

Sample session

• Command:

./arduino_chat.py /dev/ttyUSB0 9600 SERVO 90 MESURE SERVO 105 MESURE SERVO 90 MESURE STEPPER -256 SCAN 32 8 5 8 60

• Chat log:

CMD: 
SERVO
ANGLE: 
90
CMD: 
MESURE
14
CMD: 
SERVO
ANGLE: 
105
CMD: 
MESURE
14
CMD: 
SERVO
ANGLE: 
90
CMD: 
MESURE
14
CMD: 
STEPPER
STEPS: 
-256
CMD: 
SCAN
STEPPER STEP: 
32
STEPPER NBR: 
8
SERVO STEP: 
5
SERVO NBR: 
8
SERVO FROM: 
60

0075 0074 0074 0051 0050 0049 0049 0049 
1000 0076 0075 0074 1000 0183 0019 0017 
0104 0103 0103 0026 0105 0165 0019 0018 
0064 0097 0063 0063 0083 0068 0060 0020 
0062 0061 0061 0060 0034 0034 0034 0034 
0062 0055 0051 0043 0033 0032 0024 0024 
0042 0036 0035 0034 0032 0032 0031 0018 
0025 0018 0019 0020 0020 0017 0016 0015 
CMD: