Hey guys,
I have a project where I have to make an analog wind direction sensor. My professor explained to me that those sensors are simply a potentiometer whose little joystick is turned by the wind and the difference in voltage is used to find the angle (and therefore, the direction) of the wind.
Here is a picture of a sample potentiometer. Note the joystick in the middle that we turn to change the value of the Resistance. How can I make that joystick extremely smooth so that it can be turned by the wind, given that there is something connected to it in the top?
http://upload.wikimedia.org/wikipedia/commons/b/b5/Potentiometer.jpg
Thank you
I have a project where I have to make an analog wind direction sensor. My professor explained to me that those sensors are simply a potentiometer whose little joystick is turned by the wind and the difference in voltage is used to find the angle (and therefore, the direction) of the wind.
Here is a picture of a sample potentiometer. Note the joystick in the middle that we turn to change the value of the Resistance. How can I make that joystick extremely smooth so that it can be turned by the wind, given that there is something connected to it in the top?
http://upload.wikimedia.org/wikipedia/commons/b/b5/Potentiometer.jpg
Thank you