![]() The gains of theĬontroller can be changed using the serial interface. Of the system is adjustable with a potentiometer on the board. In our system, an LED will shine directly into the photo resistor. The switch and adjust it manually (feed forward control). If the ambient light (sunlight) levelĬhanges, there is no feedback to change the room lights. You can think of this like your laptop screen that becomesīrighter or dimmer based on the ambient light levels. The control system you will build tries to maintain a constant light level onĪ photo resistor. Their original lab activity is available on Lab is largely based on a lab written by Bret Comnes and A. Your Arduino and adjust the different gain settings to see their effects. In this activity you will build a simple PID controller with It can take awhile to gain some intuition about control systems, especially ![]()
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