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4 digit LCD interface to PIC
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// /* Project 016 - interface for 4 digit LCD module CCS compiler by Michel Bavin (c) September , 2004. --- bavin@skynet.be --- http://users.skynet.be/bk317494/ --- ... enjoy ! Open source for personal or educational use only. */ //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// #include <18f452 h=""> // device selection #device adc=10 *=16 #fuses XT,NOWDT,NOPROTECT,NOLVP,PUT,NOBROWNOUT,NOOSCSEN,CCP2C1,NOSTVREN,NODEBUG #use delay(clock=4000000) // 4 MhZ ! ADC is not optimal at 20 MhZ +
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3-wire serial LCD interface for the PIC
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;********************************************************************** ; * ; Filename: lcdlib.asm * ; Date: * ;
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16f 84 pic servo controller 8 servo
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LIST P=PIC16F84, R=DEC #INCLUDE "p16f84.inc" ;------------------------------------------------------------------------------ ; ASSEMBLE With MPASM. available for free from http://www.microchip.com ;------------------------------------------------------------------------------ ; ; Servo Controler Version 1.1 ; 28/10/2001 ; - Fixed Serial receive data problem where the PIC could ; miss a byte by assuming that the PC isn't in the middle of ; sending a byte as it deactivates CTS. ; ; This program will control 4 servos connected to PORT B of the ; PIC microcontroler. ; ; The servos work by responding to a pulse presented to them ; approximately every 20ms. The width of the pulse controls the ; position of the servo. ; ; In general, a pulse width of around 1520us is used as a neutral ; (centre) position indica
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