Servo Motor Controller | Electronic Project Circuits

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Pulse-width adjuster reverses servo motor

Typical remote-control systems and robotics applications use standard R/C servos, which often require a reversal of the direction of rotation. Since varying the input signal’s pulse width between 1 and 2 msec controls the servo’s output position, a circuit that adjusts the pulse width to cause direction reversal can often come in handy. Many such circuits exist that use relatively sophisticated servo-control ICs, but the implementation in Fig 1 uses a standard CMOS IC to produce a reliable design at low cost.

Read more original source:http://www.edn.com/archives/1994/031794/06di6.htm

Be the first to comment - What do you think? Posted by admin - July 28, 2008 at 10:01 am

Categories: Digital, Motor controller Tags: servo driver schematic, servo motor circuit diagram, servo motor controller

Building a Serial Servo Motor Controller by PIC16F84

To use Servo Commander just click your mouse on a position by each control knob. Holding and dragging the control knobs will work also. Once you release the mouse button, the motor will move into position. You can also click on the (tick marks) around each control knob, or the knob itself. Each motors position data will remain visible under the motors control knob until you change the position of the control knob. You can move up to 8 motors into the position you want and then record the position data. The value under each control knob is the actual value that will be serially transmitted to the PIC16F84 or the Basic Stamp.

Read more original source:http://www.rentron.com/SerialServo.htm

Be the first to comment - What do you think? Posted by admin - July 25, 2008 at 11:12 am

Categories: Microcontroller, Motor controller Tags: pic16f84 controlled servo, serial control interface, servo motor controller

Slow Servo

Realistic flap and landing gear actuation.
This circuit slows the speed of a conventional proportional servo.
It regulates the time required for full servo rotation from 1 to 10 seconds without any reduction in the servo’s torque, and every servo position is possible (proportional).

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DC motor drive circuits
Servo motor controller
Servo Controller

Read more original source: http://www.speedy-bl.com/goslow-e.htm