Calibrating GSR sensor

Hi Rob



I just tested it and please use the screw driver to rotate 1 direction first and make it tight. then you can release the screw slowly. here is my output. thanks.





sensor_value = 519

sensor_value = 518

sensor_value = 516

sensor_value = 519

sensor_value = 518

sensor_value = 518

sensor_value = 518

sensor_value = 519

sensor_value = 519

sensor_value = 518

sensor_value = 518

sensor_value = 519

sensor_value = 518

sensor_value = 517

sensor_value = 518

sensor_value = 518

sensor_value = 517