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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 "spi"
RE: Re: Tracking Battery Condition
JCullins - Oct 29 2009
I built a remote control car battery tester a few years ago,
I would switch a load to drag the battery all the way down the switch to
charge
And displayed the charge cycle in a... 
Re: Fastest Math routines - Another Newbie Question [9 Articles]
rtstofer - Sep 7 2009
--- In p...@yahoogroups.com, "Jerry O. Stern" wrote:
>
>
> I have am builidng a direct digital synthesizer and controlling the
> synthesizer with a PIC 16F877A. The s... Re: [SPAM] pic24h SPI Problem
leon Heller - Jun 20 2009
----- Original Message -----
From: demolitron
To: p...@yahoogroups.com
Sent: Saturday, June 20, 2009 9:12 AM
Subject: [SPAM] [piclist] pic24h SPI Problem
Hello again,
I ... pic24h SPI Problem
demolitron - Jun 20 2009
Hello again,
I think I've exhausted myself over this one. SPI is supposed to be REALLY simple, right? But, I can not get my SPI slave (PIC24) to do even recognize that SPI is h... Re: Can I share an external EEPROM
demolitron - May 4 2009
I don't see why not. The mechanics depend on the EEPROM's interface. If it is I2C then it should be easier because it can handle a multiple master topology out of the box. If it... Re: PICs and multiple operations
Dwayne Reid - May 1 2009
At 02:25 AM 4/13/2009, Paul wrote:
> Hello.
> Has anyone any experience with PICs and doing muliple things at
> once? Here is a example of what i mean
>
> Sensor 1 On -> ... I2C vs SPI [11 Articles]
Paul - Mar 16 2009
Hi. Just been looking at I/O Expanders from Microchip, and you can get them in either I2C or SPI. The only differences i can see are SPI can go faster, and I2C uses less pins. Is t... RTD Interface chip needed [5 Articles]
jvoytovich - Mar 15 2009
Hi,
I've got an application where an existing RTD interface circuitry needs upgrading, and I'm looking for a custom chip that will handle the current sourcing and amplification ... I2C and SPI on same PIC [8 Articles]
Rodrigo - Jan 16 2009
Hi...
I have 2 sensor which I need to read with a 18F452 PIC, but one is I2C
and the other is SPI. Taking a look at datasheet I saw that the pins
used for both protocols are t... RE: Re: pic 16f877a with lcd flickering problem
JCullins - Jan 5 2009
I am in between; I use 27pf and have had no problems.
Jim
www.soundlogicus.com
Plasma THC-300
Serial Spindle Speed control
-----Original Message-----
From: p...@yahoogroups... Could help in spi interface of PIC18f452 with accelerometer
vadnala_anil - Dec 1 2008
Dear frens,
I am using digital accelerometer with PIC18f452 to read data of
acceleration through spi interface.
Here I am getting problem in writing conversion command for... Re: External interrupts
Dennis Clark - Sep 29 2008
Without seeing your circuit it's hard to say. Electronic ballasts tend to
spike a really high in-rush current on start up so that might be spiking
your power rail. But we're gu... Re: dsPIC?
"John J. McDonough, WB8RCR" - Sep 29 2008
The dsPIC is an entirely diffferent animal than the 8 bit parts, but it is
closely related to the PIC24 parts.
I suspect that over the longer term, only the most basic or powe... Re: Voltage conversions
Don Pomplun - Sep 26 2008
7805 to regulate 12v to 5v to power PIC.
Big capacitor to take out spikes.
0-12v to 0-5v -- voltage divider.
Tougher to go the other way.
At 03:47 PM 9/26/2008, you wrote:
... Re: Re: Assembler vs C
Onestone - Sep 20 2008
Not every 'professional' job means large code, in fact the majority of
micros are deployed in very simple applications. Most white goods jobs,
for example are severely price co... Re: Best PIC family for C programming [7 Articles]
rtstofer - Sep 19 2008
--- In p...@yahoogroups.com, Wouter van Ooijen wrote:
>
> > What would you recommend as a sensible PIC family for programming
in C?
>
> Can not be answered without mo... Re: generating square waves [11 Articles]
Eirik Karlsen - Sep 13 2008
Yes, and no....
Generating a square wave is maybe best done by togeling a port pin at double the frequency, this will give you a square (50/50 mark space) wave.
You'll have to ... Re: Programming a PIC16F72 microcontroller in C
jvoytovich - Sep 8 2008
Yeah, I've come in to this discussion late, but the last posting
mentioning that you're looking for an embedded position raised some
issues. I did a quick lookup on the 16F72 chi... Programming AT25/45 serial flash data chip
kjh_us - Aug 27 2008
I'd like to know how one goes about programming a serial flash data chip
such as the AT25/45 or SST25 8pin dip? These chips have an SPI
interface. But can I simply use an off ... Position Control with PIC [2 Articles]
poopinurmouf - Jun 25 2008
I am using a PIC18F458 to try to get a motor to lift a weight a
specified distance. I am using a quadrature encoder to close the
feedback loop and the encoder has 1600 counts per... Re: programing
rtstofer - Jun 14 2008
--- In p...@yahoogroups.com, "endalkachewali"
wrote:
> Please support me for the following points
> I have PIC16F877 and Voice chip ISD1730 and i want to connect both of
... Re: The incfsz command
ericserdahl - Jun 10 2008
Hi Jason,
I feel your pain and confusion, I have been there.
I trust you will take my comments in the positive spirit that
they are offered. In your original post, you were tr... Re: Need help for A/D convator [2 Articles]
cdb - May 17 2008
Hi,
Do you mean how to wire it up to the Pic, or how to code for using the SPI interface?
If a general idea on coding the SPI sequence - in assembler or ?????
Colin
:: ... Re : new here, some questions
robert santos - Apr 28 2008
----- Message d'origine ----
De : murrayatuptowngallery
À : p...@yahoogroups.com
Envoyé le : Jeudi, 10 Avril 2008, 9h37mn 48s
Objet : [piclist] new here, some questions... Pic C library + tutorials
ih_sydney_2003 - Apr 28 2008
Hi all,
I've built up a few libraries for accessing different devices and have
published them for everyone to enjoy. As I've been working through the
code and tidying it up, I... new here, some questions [3 Articles]
murrayatuptowngallery - Apr 17 2008
Hi:
I'm an electronics tech but haven't had a uP class since an 8085 one
in 1979 and an 8088 one in maybe 1984.
I have a project I need to uC-ify and have been spinning my w... Re: web copy of the list [2 Articles]
lez_briddon - Dec 13 2007
Ok seems to be getting forwarded to blog with posts by ''samantha'',
but a quick search on here does not show a ''samantha'' posting.
http://microchippicforum.blogspot.com/
... Re: 12F675 Startup Problems
smxcu - Dec 9 2007
--- In p...@yahoogroups.com, dlc wrote:
>
> And that start bit depends upon the the stop bit of the previous
> byte. The longer the string transmitted, the more time ... Help
monzer mostafa - Nov 29 2007
I am facing the following situation: I want to connect the microcontroller (e.g.dsPIC6010 or dsIC40F13) via SPI to a flash memory chip (e.g. Atmel AT45DB642 or ST M25P80).I did m... RE: pause? [2 Articles]
Alan KM6VV - Jan 5 2007
Hi Bill,
What you want is an auto-repeat on the buttons. Delay for say 1 second,
then repeat if the key is still held down. That's after you've debounced
the keys. Somethin... Re: Inverted Pendulum [3 Articles]
dlc - Aug 8 2006
Looks like fun. Microchip does a demo like yours at the Masters
conference that is all on the PIC. They use a shorter radius on a full
circle track and a pot on the arm that ... RS-485 problem. [2 Articles]
thor69uk - May 18 2006
Hi,
I hope someone can help with a little problem I have!=20=20
I am trying to get several 18F PICs to communicate over RS-485.=20=20
I will outline the basic idea behind ... Re: Routines for 74HC595
Leon Heller - May 16 2006
----- Original Message -----=20
From: "numero600"
To:
Sent: Tuesday, May 16, 2006 7:26 PM
Subject: [piclist] Routines for 74HC595
Hello to all.
I need to expand the por... Re: resistors [3 Articles]
Lez - Apr 21 2006
Its set in epoxy and part of a bigger block, so I Cant dig/drill it out
without fear of further damage.
Just got back from taking wife shopping (please no pity) so when my head... RE: Analogue Expander [2 Articles]
Wouter van Ooijen - Mar 22 2006
> I have been trying today to use one Analogue Input on my PIC for
> multiple Analogue Inputs - A sort of Multiplexing?
google 'analog multiplexer', like
http://www.semicon... Re: PIC EEPROM Data to PC
Robert Rolf - Mar 15 2006
Simplest is serial link. Bit bang it if you have to.
Capture with Hyperterm. Use commas to separate data fields
and you can easily import saved file into a spreadsheet.
Interfac... TMR2 output and the SPI block [2 Articles]
Dennis Clark - Mar 3 2006
I'm running a 18F6680 at 40MHz which means that the SPI clock's
slowest setting would be 625KHz, which requires a pretty fast set of
opto isolators in my case. I'd like t... Need help interfacing MCP42010 with Pic16f628 [3 Articles]
smitty505000 - Dec 27 2005
Hey all,
Need some help in my latest endever. I am trying to drive a
MCP42010 digital pot with a Pic16f628. I have read all the data sheets
and still stumped. SPI on ... Re: PLS HELP ME!!!
Peter Homann - Dec 2 2005
Phil,
I reckon this idea stinks!
Sorry, couldn't resist :-)
Cheers,
Peter.
Phil Seakins wrote:
> Here's one idea. An intelligent exhaust fan speed ... Re: Re: Programmer and software [2 Articles]
Peter Homann - Nov 22 2005
Hi,
I use the Olimex ICD-2 http://www.olimex.com/dev/pic-icd2.html Its more
expensive US$89.95, still 1/2 the Microchip ICD2 price, is USB
controlled and very rel...