Reference
The article provides a comprehensive overview of the servo controller module, detailing its components, mechanics, and functionality, including how signals are processed to achieve desired movement through a core-less motor, gear system, and position detection using a variable resistor.
Principle
The servo controller module mainly consists of housing, circuit board, core-less motor, gear and position detector. It works in this way: the receiver transmits signal to the servo, which drives the core-less motor to rotate through IC, then the reducer gear will pass the force to the shaft, at this time the position detector will determine if it has reached the commanded position according to the feedback signal. The position detector is actually a variable resistor. The resistance value will change as the servo rotates, so the rotation angle can be obtained by detecting the resistance value.
Other Supplementary Information
As shown in the figure above, position 1 represents the input interface for signal controlling and power supply of the module.
Position 2 represents the potentiometer for adjusting servo swing frequency.
Position 3 represents the interface for connecting servo.
Position 4 represents the toggle switch for selecting mode. The module provides two preset controlling modes, swing and turn.
- Swing: swing between the preset angle and the initial angle
- Turn: rotate to a preset angle and stop
The two modes can be switched via the toggle switch.
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