IP cameras in the public Internet age become the most convenient tool for remote monitoring of areas that interest us, such as an apartment, home, yard, garage, office or workplace.
Angle is a 10K potentiometer that can be used for continuous control, such as volume, brightness or engine speed. A potentiometer is a manually adjustable variable resistance with three terminals. Two terminals are connected to a resistive element, the third terminal is connected to an adjustable cleaner. The position of the wiper determines the output voltage. The output voltage is captured and converted by AD in ESP32 on portB.