Arduino 10: Basic Feedback Loop, Homeostasis, Maintaining a Setpoint
Now I’ve set up the system to maintain a set level of illumination on the sensor. This is a basic negative feedback loop, where the brighter the sensor illumination, the less bright it tells the light to be, thus trying to maintain its set condition. The setpoint is varied by a second pot attached to another input pin. The program sketch has more detail in the comments. It can be found at: www.mediafire.com
