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I just used the .pdf's...

Oops - forgot to log in last time...

Thanks for the links Very Happy

! The mini-wave looks really nice. I'll probably sell my Edsyn iron, since they don't have mini-wave tips for it that I have seen. ...

Trampas-

What is the mini-wave tip? ie: what mfg and what size? I have done many 0805 type caps and resistors, but find the fine pitch smt packages a bit scary to solder.

Also - could you post ...

I remember a bug fix for 256 byte structs - look in the version.txt in the download section.

You may want to use the #priority directive to tell the CCS compiler to service Timer1 before Timer0(RTCC). I would think that would fix it if your RTCC ISR was very short as to not miss a Timer1 int ...

Most of the 18Fxxx devices also have single cycle multiply - very nice. If you use the latest compiler, most issues are minor and can be easily worked around. In looking for a 18 pin PIC, they have ...

Runtime -

I have seen several posts concerning GSM modems, and the WaveCom seems popular. I looked at their website, and they don't seem to give out much specific information (ie: data sheets, pri ...

I use it without any issues...
When writing the timer, write the high value, then the low value.
When reading the timer, you need to do it in a certian order also, or use CCS's built in functions.
...

I would recommend not going below 100pf, because it won't help. The error is more from the type of cap, not the size of the cap. If you go too large for the cap, then leakage can be a source of erro ...

I would recommend making your own chart - measure at ambient temp (25 degrees C), then at min temp, and finally at max temp.

That would give you a fairly good idea of typical. For maximum, you w ...

Yes, that is correct - you don't need the pullup if they have a pullup already internally....

Just use float. It is possible to do a signed and unsigned float, but you would need to make your own routines and it would be a lot of work...
Currently there is IEEE type and a Microchip type that ...

On the 18F452, RA4 is Open Collector or Open Drain.
Use RA4 with a pullup resistor - ie: 4.7K resistor between RA4 and +5V, then tie RA4 to your GSM thingy...

Oh - and then have fun!

Also, don't use carbon resistors - at least use metal film, and you can get special low noise and low temp coef. resistors, but typically have to special order them.

At least use NPO caps, but I th ...

Radio Shack used to cary a small chip (about 16-20 pins) for voice recognition. I don't think they sell it any longer, but it was cheap (like $5 retail) and could recognize about 4-8 commands - spea ...