Servo Motor Controller (PIC16F84)


Posted on Dec 25, 2012

This simple micro-control circuit controls a servo motor according to a 3-state switch. A servo motor acts as an actuator in 3 position. It has 3 wires, one for VCC, one for Ground and another one for position control. The last signal is a single pulse with variable width. The pulse width can vary between 1 and 2 mSec. An 1 mSec pulse width turns the motor axis in -45 degrees position.


Servo Motor Controller (PIC16F84)
Click here to download the full size of the above Circuit.

An 1.5 mSec pulse width turns the motor axis in 0 degree position. A 2 mSec pulse width turns the motor axis in +45 degrees position. The following source code has been written in PICBasic: Symbol porta = 5 b3 = 150 start: Peek porta,b0 If bit0 = 0 Th




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