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Tq Markdem, I've learned something from your answer. But how about a GLCD TGL12864E which didn't have any CS pins? Which driver of CCS is suitable?

1. vss
2. vdd
3. vo
4. rs
5. r/w
6. e
7. D ...

tq.. found the solution already. Just add 330 resistor before the LED.

#define SW1 PIN_B0
#define SW2 PIN_C5
#define BUZZER PIN_D6
#define LED1 PIN_D7
#define LED2 PIN_E2

void main(){

while(1){ ...

//Keypad connection:
#define row0 PIN_D0 // default PIN_B4-PIN_B7
#define row1 PIN_D1
#define row2 PIN_D2
#define row3 PIN_D3
#define col0 PIN_B0
#define col1 PIN_B1
#define col2 P ...

tq it work

Hello, hi all!

I try to used customize pin for 16x2 lcd but fail to use the different pin configuration.
Anyone can help please!

my code as follow:

/#define LCD_ENABLE_PIN PIN_B5
#define ...

#include<16F877A.h>
#device adc=10
#fuses HS, NOWDT, NOPROTECT, BROWNOUT, PUT, NOLVP
#use delay(clock=20000000)

#include <STDLIB.H>

int16 math () ; // a function ...

Hi all, I need some help to understand about controlling output ports by
bit. The code is as follows (PIC16F877A):

#define sensor1 PIN_D0
#define sensor2 PIN_D1
#define motor1 PIN_B0
#define m ...

Not sure why it set to a guess when I sending this problem...
Btw forget to tell that i'm using
PIC16f877A, 20MHz,
Btw about you said using a timer but how? I really didn't know how to?
Is it ok i ...

hi all,

PIC16f877A, 20MHz
Need help "please" since hardware pwm cannot be use in my application.

I used software pwm but not get the result as I want.
I want to have a pwm dual pulse ...

I have created a pwm as below:
void pwm(){
output_high(pin_d2);
output_low(pin_b4);
delay_us(70);

output_low(pin_d2); ...

how about this

pwm1 i already create the pwm 200us(on)600us(off)

is it posible to create pwm2 that 400us(off)200us(on)200us(off)?

setup_ccp1(CCP_PWM);
setup_ccp2(CCP_PWM);

setup_timer ...

float duty;
duty = 62;
set_pwm1_duty(duty);
You have declared the duty cycle as a 'float'.

The CCS manual says this:
Syntax: set_pwm1_duty (value)

Parameters: value may be an 8 or 16 bit ...

hi all,

I try to generate pwm to pulse my led, but my the pwm does not work as I want. Please help me... I have simulate it in proteus but the duty only 100us not 200us as needed.

pwm period = 1 ...