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I seem to remember reading a message somewhere on the forum about generating RF using a pic chip but I can't track it down.

I'm guessing it is possible to generate an RF signal from a pic then...

Melanie

Thanks for the response and all noted.
The reason i was looking around for another solution is having invested 20k+ and 2 years of my spare time in a pic project I no longer have the...

Thanks for the replies Guys.

I had no intention of starting a flame war and assumed that most people on here are sensible (from my experience).

I guess i'm looking for the easy option :) to...

A friend of mine has just bought the Proton+ software and it sound like an upgrade from PicBasicPro. (I know it's not as such but is it better)
Has anybody had any experience with both? Is it worth...

Has anyone ever used a pic to control a CCTV camera lens?

I have to use a CCTV camera controller to control a servo.
I'm led to believe that standard cctv camera lens are moved by 0-10.5Volt...

The inputs are from brake, left and right indicators etc. so the inputs can be very short pulses if someone touches the brake for a fraction of a second hence why I was using the on change interrupts...

Bruce

Let me take one step back.
Here is the code I used originally to test my PCB
You said I was clearing the RB0 flag which I agree with but unless I clear this the program doesn't work!!
If...

The routine I call outside of the ISR has DISABLE & ENABLE either side of it.
It was my understanding that I can call this other routine and that it will complete the routine then jump back to the...

Hi All
I'm away on holiday programming by torch light in the middle of a forest (seriously) and only have web access via a mobile phone. I've tried finding my answers in the archieves but with no...

I'm sure I've asked this before but I can find the answer in the archieves.

I have a project based on the 16f877 with 2 x RS232 ports one of which is used as a boot loader the other one is just...

Luciano

I'm still not having any luck making my interrupts work, they appear to be permanently on but looking over my circuit I may have found my problem and would appreciate another opinion.

I...

Luciano


The data sheet you pointed to is different to mine so perhaps that's the first lesson I have learnt. The one I downloaded covers several 16f8xx and only had a couple of lines about...

I'm trying to learn how to use interrupts and in all the examples I find the word DISABLE appears.
But to me it doesn't appear to do anything as it is never passed by the program.
Am I being thick?...

I have a two beer fridges which probably wont help unless I can bribe someone to come round and teach me for beer ;)

I did download the data sheet and the interrupts sit on the RB pins as you...

For those who already ready this posting I had a duff pic!
But I still have an Interrupt question

My problem is I want to run a piece of code everytime RA1 < RA4 change status. Am I right in...

Rather than trying to interface a usb dongle to your project it may be easier to use a dedicated bluetooth chip as these will give you serial data and do the majority of the hard work.
I don't have...

You could also try looking at railway enthusiast websites as no doubt there are some collectors out there with the whole setup.

More than likely (if the clocks are old) the clocks are driven via...

(16f877 @20Mhz)
I 'm reading an incoming pulse and need to convert this to MPH.
I need to read the speed in under 250ms so I looked at using the code posted by Darrel Taylor

Pulse_Total =...

Melaine

I have now got the RTC working fine, thanks for the pointers.

One last question to anyone who reads this I'm setting the clock from a GPS which provides GMT.
I want to configure the...

Mel

That works perfectly!
I understand the basis of BCD but need to do somemore reading.
I assume I just reverse the formula to convert the other way? Or is that to simplistic :)

Thanks as...

Hi all

I'm using a DS1307 as a RTC and seem to have reading and writing it sussed.
BUT...

The display device I'm using requires that each charater is written on it's own so to display 59...

After a quick search on Google yes I do :)
But it does use more memory

1001100110011001100110011001100110011001
1001010100000010111110001111111111
Or is this an easier way to then search?
I...

I could write a routine to store 1001010100000010111110001111111111
So what would be the best way to search? Ideally I need to search the 100 numbers in under a second.
Any thoughts?

Is there a simple way to store 10 digit numbers in NVR then search the NVR for a match?

I want to store at least 100 numbers and then search them compared to a CLI received via a caller ID unit I...

Just search the group and came across your post, would you be willing to send me a copy of the circuit diagram? I'm playing with the 16f876 and having problems getting the icsp working.

Rob