In the context of design and implementation of car parking control system the important components need to be taken into account are:automatic car parking system circuit
• Stepper Motor
• U-shaped Photo Sensors
• Seven segment Display
• Serial Interfacing
These are discussed one by one in the following pages.
3.1 Stepper Motor
A stepper motor is a digital device, in that digital information is processed to accomplish an end result, in this case, controlled motion. It is reasonable to assume that a step motor will faithfully follow digital instructions just as a computer is expected to. This is the distinguishing feature of a step motor.
In essence, step motors are electrical motors that are driven by digital pulses rather than a continuously applied voltage. Each pulse equals one rotary increment, or step (hence, step motors), which is only a portion of one complete rotation.
Two stepper motors are used in our project. One is for incoming gate and other is for outgoing.
3.1.1 Driving Motor Methods
To step a motor in a particular direction a specific switching sequences need to be follow. First of all, we manually find the stepping sequences of the stepper motor. We have two types of motors.
• 6-wire configuration
• 8-wire configuration
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automatic car parking system circuit