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Piclist
A discussion group for the PICMicro microcontroller. Also called the Microchip PIC, this list is dedicated to the use and abuse of this fine, simple, microcontroller. Close to topic posts are welcome, ie. general electronics.
Search Results for "pwm"
PWM to 0-10V Output [9 Articles]
Paul - Jul 24 2009
I have recently come across a circuit diagram:
http://f1.grp.yahoofs.com/v1/ULBpSg7H1FfAWrKBp02HDaRkyq4iFpOjfpH78Kql4Dxq0CgSrNLnPzPzZIhq_C7J8z18rM7VyWwp3bC8n2uBiJDZsrfy/PWM.jpg
... 
Anyone want a USBProg PIC programmer cheap?
dcfrenchgmail - May 1 2009
This is a great PIC programmer (http://www.embedinc.com/products/usbprog/index.htm) and served me well for about a year and a half, but then it stopped working. Olin Lathrop of Em... Re: Question about INT0 interruption
Mike Harpe - Feb 6 2009
The input capture system is the better way to do it. PWM does much the
same thing.
Mike Harpe
On Fri, Feb 6, 2009 at 12:54 PM, w=
rote:
>
> Hi,
>
> I read on 18... My PIC Project
Nikhil Praveen - Feb 6 2009
Hi there all, I am new to this list. I have a project idea in mind and would like to share this with you guys. Firstly, I have very basic understanding of PIC Assembly but do by no... PIC16f886 enhanced pwm
speechlessspecies - Oct 23 2008
Hi guys,
how does one setup the enhanced pwm module of the pic16f886. I could
setup the usual pwm module but setting up the enhanced module is a bit
confusing for me. please h... Crystals [8 Articles]
Paul - Oct 17 2008
Hello. Just wondering, i've worked with PICs for a while now and been
using 2222 680 Series Low K 100Vdc capacitors for the oscillator with
LF A147K 20/16Mhz crystal. All works... Re: Re: Best PIC family for C programming
"John J. McDonough, WB8RCR" - Sep 19 2008
----- Original Message -----
From: "Wouter van Ooijen"
To:
Sent: Friday, September 19, 2008 2:06 PM
Subject: Re: [piclist] Re: Best PIC family for C programming
> ... Re: Open collector outputs
rtstofer - Sep 19 2008
You can fake open collector outputs by setting the pin state to 0 and
controlling the pin direction. If the pin is an output, it will pull
to Vss. It the pin is an input, it wi... Control the amplitude of a 115VAC [11 Articles]
globalpositioning - Sep 17 2008
Any idea or suggestion on how to play
with the amplitude of a 115VAC?
Note: amplitude, not PWM...
Regards,
------------------------------------
to unsubscribe, go to htt... dsPIC33FJ128MC802 PWM motor control
KM6VV - Sep 13 2008
Hi John,
I see you're a ham too! I'm KM6VV. Central coast, CA.
I'm starting a dual motor control project for a microbot robot. Two DC
motors with encoders (Lynxmotion), ... RE: generating square waves [10 Articles]
Jan Didden / Linear Audio - Sep 13 2008
Yes, you can use one of the CCP or PWM registers, set up a timer with the
freq you want and let it run. Takes virtually zero processing power.
Jan Didden
_____
From:... PWM for Hobby Motor using P16F685 no CCP output
Bob Lynch - Aug 27 2008
Can anyone see a problem with this code, just looking for a duty
cycle. Thanks
;*********************************************************************
*
;
; Filename: PWM0713... Re: Position Control with PIC [6 Articles]
Eirik Karlsen - Jun 25 2008
Yes first you must apply a P-factor, like this:
PWM = (Position Error) x (P-factor).
Initially the position error is likely to be in counts (difference between set and actual pos... Position Control using PWM
msel...@gmail.com - Jun 25 2008
Basically, has anyone ever tried to use PWM for position control on the PIC?
I am trying to program a PIC18F458 for position control using a quadrature encoder which has 1600 "... Re: Problem involving configuring pins for analog/digital operation
Eirik Karlsen - May 26 2008
Jason,
The PWM (analog output(s)) have dedicated pins, and you can't move these around.
And the A/D options available in ADCON is what you have to play with... no way around this... Re: Controlling and simulating the analog outputs
Eirik Karlsen - May 25 2008
Jason,
There is no generic analog output...
You must use the PWM to generate a 'digital' signal with a given mark/space ratio, then integrate that into
an analog voltage. The in... seeking a h-bridge drive snippet...
timbomcnuckle - Jun 27 2007
Hi folks, I've been subscribed to this list for about a year or so
now, usually do not write anything myself due to not having anything
valid to contribute,, so I just read the ... pwm snippet?
timbomcnuckle - Jun 27 2007
Hi folks, I am attempting a few various H bridge configs for a
project I have been working on- the platform is an RC truck 'toy' made
by Radio-shack. Not quality by any means bu... Re: function generating IC [3 Articles]
Eirik Karlsen - May 24 2007
Sure you can, easily...
but not just any PIC can do it. Since you want 4 outputs
you'll need a proc with at least 4 outputs.
Have a look at the PIC18 series motor control chips.... 18F4331 and PWM [2 Articles]
Paul L - Mar 21 2007
Hi.
Well, after getting my new PIC, it didn't take long to get it going! Was a little worried at first! I can now receive using USART and then using the values taken put that in... A few questions... [16 Articles]
Paul L - Mar 18 2007
In the past i have used the 16 series of PIC, for a project i am looking at the 18 series, is there much difference between the two programming wise? The 18s seem more complex
A... Read Frequency
JCullins - Sep 28 2006
I need to read a frequency from 0 to 1023 hz and output it to the PWM for filtering. The idea is a frequency to voltage converter.
Has anyone done this. Any help comments or code ... Inverted Pendulum [2 Articles]
Dennis Crawley - Aug 8 2006
Hi all,
There are two movies about the controller I've made in this link.
Let me say thanks for the support received from this list, in one or another
way, as well as the rece... PIC PWM crazyness [3 Articles]
Vecheslav Silagadze - Mar 25 2006
Hello everyone,
I've got a bizzare problem with a PIC18F4431. It seems that whenever I
change the duty cycle of a PWM output *too frequently* the PIC will run run
for 25-30 s... which is the best pic for robotics [6 Articles]
mr_gees100_peas - Mar 15 2006
Hi,
I was wondering if there is a preference ina aprticualr PIC model
that is use more often for robotic. I know the 16f877a is a good
general purpose but is there anything... Re: pic microcontroller
djbe...@... - Feb 28 2006
I think the basic stamp is an excellent starting ground. It is super easy to
get going. One of the advantages is that it comes with its own easy to
learn 'Basic' software. Yes... PWM Output Stuck Low
Matthew Limpach - Nov 19 2005
I am using CCP1 & CCP2 PWM on a 18F4220. Intermittently on reset, CCP1
sticks low. I have tried using standard PWM mode and enhanced mode with
auto shutdown turned off. Bo... 18lf252 ccp2mx documentation error ?
Chris - Oct 10 2005
Apologies if this has come up before. I've ported some 16f876 code over
to an 18lf252 to benefit from the larger memory. I'm using the PWM
output from CCP2 and discovered,... Re: Re: Interfacing a PIC with Digital Potentiometer? [5 Articles]
Peter Vincent - Oct 10 2005
Hi
me again just curious are you using the digi pot to replace the servo pot to maintain a straight line?
how about use a pic like 16F877A that has 2 CCP p... Re: Interaction between TRISB and INTCON on a 16f876A
Chris - Oct 6 2005
--- In piclist@picl..., "rtstofer" Pic speed controller [5 Articles]
Lez - Jul 30 2005
Hi,
I have not programmed a pic in years, since about 99 when the 16cf84 was
the most used around, and even then it was for simple slow things, ie
door / window... PIC18 CCP [3 Articles]
Eirik Karlsen - May 26 2005
Hi,
I think I have the answer to this question but I ask just to be sure.
PIC18F4520:
I need to:
Output two 8bit PWM 's (50Hz - 100's Khz usable)
Measure one ... Re: PicBasic Pro v. MBasic... [8 Articles]
p_c_vincent - Apr 28 2005
personaly i would say dont get either i tryed them both and was
dissapointed i now use mikroBasic by mikroElektronika its awesome i
payed about £86 GBP and thats it, free ... Re: HELP- PIC LED flasher [3 Articles]
Eugene Gopalan - Mar 22 2005
This sounds like a fun project. An LED colour changer.
You're basically looking at a simple PWM controller to control the LED
intensity. As the smaller PICs have o... Re: making a pulse of less than 1uS on ime
dan michaels - Mar 4 2005
--- In , R Ramesh CC5X install [4 Articles]
wdavis364 - Mar 1 2005
I've been trying for a while to set up CC5X compiler using MPLAB ver
6.30. After working through several error message, the last was
related not able to locate... Re: Why PIC? [6 Articles]
rtstofer - Feb 26 2005
--- In , Nick Trik Sine PWM using 16f877 [5 Articles]
p.vijayamurugan - Feb 23 2005
hai all
this is vijay from India
wishing you a happy day
i have a requirement to generate a Sine PWm using PIC 16f877.
can anybody help me in developin...