speed controller for asynchronous motor

[_SOFY_]

Does someone program a PIC18F4431 to a variable speed asynchronous motor.
Plz help me

 

[klystron]

Google for PIC18F4431 ac speed control and you will find https://ww1.microchip.com/downloads/en/AppNotes/00900a.pdf

 

[_SOFY_]

thank you very mutch but i need code C

 

[klystron]

Reference to AN900 from Microchip (refer to my link) you will find the following text at the end of the document :
APPENDIX B: SOFTWARE
DISCUSSED IN THIS
APPLICATION NOTE
Due to size considerations, the complete source code
listing for the applications described here is not
included in the text. A complete version of the source
code, with all required support files, is available for
download as a Zip archive from the Microchip web site
at:
Microchip Technology Inc. is a Leading Provider of Microcontroller and Analog Semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide.
Read the document

 

[_SOFY_]

Thanks for your help
I want to vary the motor speed automatically using position sensor, I don't know how to use the microcontroller for automation.