BalBot: a Self-Balancing Robot

BalBot: a Self-Balancing Robot


In contrast to technology and science, in everyday life, a distinction is rarely made between regulation and control. A mere control system does not monitor the output value, meaning that it can change due to external disturbances. A simple and typical example is the speed control of a DC motor by PWM. Here, the speed of the motor is also influenced by load fluctuations.

Now to the control: If speed is to be kept constant, feedback is required, for example, to adjust a controlling PWM or DC voltage depending on the speed deviation. Such a feedback system characterizes a control loop.

Control, therefore, means that the output variable (e.g. speed) is captured and, in the event of a deviation from the target value, the manipulated variable (here the PWM) is changed accordingly.

BalBot: a Self-Balancing Robot – [Link]

Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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