Servo Motor Controller from Dedicated IC

The project utilizes the tiny 8-pin PIC12C671 to build a simple serial servo controller chips.

Using a dedicated servo motor control IC provides several advantages and is less expensive than buying large motor control board especially if only a single servo controller is required. Each PIC is totally dedicated to the specific function of controlling a single servo motor and can be placed anywhere or be attached to the servo motor itself.
The control of several motors at exactly the same time with a single data transmission is allowed by multiple servo-pods having the same address. There are no wasted servo controller output ports and hundreds of servo motors can be controlled on a single serial data bus.

Each PIC is forced to respond only when it receives its assigned ID number which is hard-coded into each servo-pod. Position data is then accepted and stored in the byte-variable pos once the correct ID number is received. The built-in timeout and label capabilities of PICBasic are used by the serial input line to allow program execution to continue without receiving serial data within a pre-set time frame. The timeout is set to 15mS.

Rest of the project