sub:Implementation of FIR lowpassfilter in PIC16F877

Started by Rambabu Edubilli in Piclist16 years ago

hai, ? ???? What is the maximum cuttoff frequency possible of FIR lowpass filter that can be implemented using PIC16F877. ? cheers, Ramu.

hai, ? ???? What is the maximum cuttoff frequency possible of FIR lowpass filter that can be implemented using PIC16F877. ? cheers, Ramu.


Programming the PIC16F877

Started by knesha_williams in Piclist15 years ago 9 replies

I am trying to program the pic16f877 using C, however i need to find a free version of the ccs c compiler(full version) to...

I am trying to program the pic16f877 using C, however i need to find a free version of the ccs c compiler(full version) to dowload from the internet. Do you have any suggestion?


AD Conversion

Started by Paul in Piclist11 years ago 8 replies

Hello, Recently starting using PICs again! Quick question with an easy answer i am hoping. What i am doing is using a PIC16F877 and i am...

Hello, Recently starting using PICs again! Quick question with an easy answer i am hoping. What i am doing is using a PIC16F877 and i am using a A-D conversion. Its all working fine, but i am not getting a very repeatable result. Is this normal for the PIC or am i missing something? Setup as follows: PIC16F877 running with 16Mhz clock 10k POT with +5,0V supply direct to AN0 AD Clo...


Help needed in interfacing sd card to pic16F877

Started by vinashkumaran in Piclist14 years ago 1 reply

HI, I am trying to develop a "datalogger', where the sd card would be used to store the data from a sensor. I am using PIC16F877. I have...

HI, I am trying to develop a "datalogger', where the sd card would be used to store the data from a sensor. I am using PIC16F877. I have done a simple hardware schmetic of the interface and it is in the attachment for your reference. I would be very grateful, if someone were able to go through the schmetic and gimme some comments. I would be using MPLAB to programme the chip. It


programing

Started by endalkachewali in Piclist12 years ago 1 reply

Please support me for the following points I have PIC16F877 and Voice chip ISD1730 and i want to connect both of them and write...

Please support me for the following points I have PIC16F877 and Voice chip ISD1730 and i want to connect both of them and write program.therefor,please help me to do this. note,ISD1730 is multi message voice record and playback device i will record three different voice and i need control each voice by PIC16F877. Best Regards ------------------------------------


Re: 'Tiny' Bootloader

Started by edua...@gmail.com in Piclist11 years ago

Hi, I'm having big trouble getting the tiny bootloader to work on my 16F877. The original one isn't ready for the pic16f877 or the pic16f877A....

Hi, I'm having big trouble getting the tiny bootloader to work on my 16F877. The original one isn't ready for the pic16f877 or the pic16f877A. And I haven't managed to modify the ASM in a way that it works on it. Could you please send me the modified ASM for the PIC16F877 and the PIC16f877A?. > > > > --- In , "John Kent" wrote: > > Has anyone any experience in us


floating point or fixed point routines for PIC16F877

Started by eevagg in Piclist16 years ago 1 reply

Hello to everybody! I am a new user of PIC and this period I am dialing with a project based on PIC16F877. So, I am needing...

Hello to everybody! I am a new user of PIC and this period I am dialing with a project based on PIC16F877. So, I am needing floating point routines. I have two decimal numbers (Num1 is 32bit and Num2 is 16 bit).I want to divide and multiply these mumbers. The result of divis


PIC16F877 - AD7730 SPI Connection Problem

Started by Triontech Technology in Piclist14 years ago 1 reply

Hi,   I wonder if any of you guys could help me out a bit. I am trying to hook the PIC16F877 to AD7730 (ADC loadcell controller for...

Hi,   I wonder if any of you guys could help me out a bit. I am trying to hook the PIC16F877 to AD7730 (ADC loadcell controller for Analog Dev) thru SPI.   I set the AD7730 to work in continuous conversion mode, monitoring the RDY line once data has been updated.   I am having problem getting the PIC to


32-bit fixed-point sqrt program for PIC16F877

Started by in Piclist15 years ago 1 reply

I need 32-bit fixed-point sqrt program for PIC16F877.   thanks.

I need 32-bit fixed-point sqrt program for PIC16F877.   thanks.


PIC16F877 + ICSP

Started by Paul_Lav in Piclist16 years ago

Hi,   I am using a PIC16F877 and am programming it using ISCP and using programmer EPIC Plus. It has been working

Hi,   I am using a PIC16F877 and am programming it using ISCP and using programmer EPIC Plus. It has been working


helo..

Started by in Piclist16 years ago 1 reply

where can I get simple applications of the analog-to-digital converter of pic16f877?

where can I get simple applications of the analog-to-digital converter of pic16f877?


2 PWM's

Started by mr_gees100_peas in Piclist16 years ago 5 replies

I'm currently using the pic16f877. This one has two PWM's. I want to use them both. My question is can each PWM have diferent...

I'm currently using the pic16f877. This one has two PWM's. I want to use them both. My question is can each PWM have diferent frequecys or must both of them have the same frequency?


PIC16F877 Programming Problem

Started by demolitron in Piclist15 years ago 3 replies

Hello, Please forgive me if this question has already been asked. If so please point me to the thread. I have the El...

Hello, Please forgive me if this question has already been asked. If so please point me to the thread. I have the El Cheapo PIC Programmer and accompanying software. I have been programming PIC16F77 devices for quite some time with it, and without any pr


Thermometer + LCDisplay

Started by Eugene Lai in Piclist16 years ago 6 replies

i had constructed thermometer (which using PIC16f84) and LCDisplay (which using PIC16f877). Then how can combine together???? ...

i had constructed thermometer (which using PIC16f84) and LCDisplay (which using PIC16f877). Then how can combine together????


reading program from EEPROM addenum

Started by Michael Millikan in Piclist16 years ago 2 replies

Hi there, I forgot to mention that I am planning on using a PIC16F877 for the application (with a whopping 8k of program...

Hi there, I forgot to mention that I am planning on using a PIC16F877 for the application (with a whopping 8k of program memory). Vecheslav Silagadze _________________________________________________________________ The new MSN 8: advanced junk mail protec


srf04

Started by sreenu_dindi in Piclist16 years ago 3 replies

Hi, I am trying to measure the distance using srf04. I am using ccs compiler. The pic16f877 is unable to recognize the echo.. ...

Hi, I am trying to measure the distance using srf04. I am using ccs compiler. The pic16f877 is unable to recognize the echo.. Though srfo4 is returning an echo, i had verified it with an OScilloscope. my program is main() { int echo_t


Success, Sweet Success - balancing robot using a PIC16f877

Started by haqmaq in Piclist14 years ago

Normally, I would be celebrating with my friends in the RIT robotics club, however, this is the weekend before finals week, and people are...

Normally, I would be celebrating with my friends in the RIT robotics club, however, this is the weekend before finals week, and people are either out of town, asleep, or unavailable. My other friends see it, say, oooh, that is cool, but I don't get the feeling that they understand how much of my heart has gone into it like you'all would. So, without further ado, here is my story (I will po...


program memory

Started by Ramaraju in Piclist16 years ago 2 replies

hello, i am using pic16f877.In one of my application i need more program memory. how i can extend program memory?Any extra circuit...

hello, i am using pic16f877.In one of my application i need more program memory. how i can extend program memory?Any extra circuit is required for that? please give me suggestion. thanx in advance. regards, Ramaraju


LCD Graphic example code

Started by wantoniet in Piclist16 years ago 1 reply

HI, I need a help to inteface a LCD Graphic with a PIC16f877. I did not choose the LCD, but anyone that have an experience...

HI, I need a help to inteface a LCD Graphic with a PIC16f877. I did not choose the LCD, but anyone that have an experience with any it?s welcome!! Regards,


cc5x and a bootloader

Started by rooster_0429 in Piclist15 years ago

I am developing some c code using the cc5x compiler as part of my masters thesis at Tennessee Technological University. I was...

I am developing some c code using the cc5x compiler as part of my masters thesis at Tennessee Technological University. I was hoping someone might be able to help me or point me to an appropriate resource. I am developing a multithreading package for the PIC16F877 and usin