<div dir="ltr"><div dir="rtl" class="gmail_default" style="font-family:tahoma,sans-serif">קח בחשבון שיש הבדל מהותי בין שימוש בצ'יפים נטו לבין מודולים מוכנים,<br></div><div dir="rtl" class="gmail_default" style="font-family:tahoma,sans-serif">לרוב מודולים יעשו לך את העבודה הקשה של התממשקות עם ה-CHIP וגם קינפוג ברמת החיווט! <br>כמו כן גם יחשפו לך את המידע על פרוטוקול סיריאלי פשוט כמו RS232, בלי שתצתרך להמיר אותו.<br><br></div><div dir="rtl" class="gmail_default" style="font-family:tahoma,sans-serif">אם אתה לוקח ADC למשל ומנסה להשתמש בו AS-IS אתה צריך לעבור על ה-DATASHEET שלו כדי להבין כיצד להביא אותו למצב עבודה.<br></div><div dir="rtl" class="gmail_default" style="font-family:tahoma,sans-serif">ולהבין כיצד לבצע איתו דגימות וכיצד לתרגם את התשובה שלו לערך עשרוני.<br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><span style="font-family:tahoma,sans-serif">--<br>Rabin</span></div></div></div>
<br><div class="gmail_quote">On 31 July 2016 at 12:37, Shlomo Solomon <span dir="ltr"><<a href="mailto:shlomo.solomon@gmail.com" target="_blank">shlomo.solomon@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Thanks to Kobi and Jason.<br>
<br>
In the meantime, I've done more research, and I see that there are<br>
several ADC (analog digital converter) chips available to help the PI<br>
use analog input.<br>
Since my main purpose is to learn to use and program the GPIO pins on<br>
the PI, I guess that would be a good solution - especially since my C++<br>
skills are REALLY rusty and I'm much more comfortable with Python.<br>
<br>
Again - thanks for your replies<br>
<div class="HOEnZb"><div class="h5"><br>
<br>
On Sun, 31 Jul 2016 09:25:31 +0300<br>
Kobi Zamir <<a href="mailto:kobi.zamir@gmail.com">kobi.zamir@gmail.com</a>> wrote:<br>
<br>
> Hi, I also think like Json.<br>
><br>
> For the first time you play with an arduino, use a board that has:<br>
><br>
> 1. a usb connector for programming and i/o<br>
> 2. pre-soldered connectors<br>
> 3. use standard arduino connector arrangement (like in the arduino<br>
> uno)<br>
><br>
> For example:<br>
> <a href="http://www.ebay.com/itm/UNO-R3-ATmega328P-Development-Board-for-Arduino-Compatible-Free-USB-Cable-/191617917471" rel="noreferrer" target="_blank">http://www.ebay.com/itm/UNO-R3-ATmega328P-Development-Board-for-Arduino-Compatible-Free-USB-Cable-/191617917471</a><br>
><br>
><br>
><br>
> On Sun, Jul 31, 2016 at 9:03 AM, Jason Friedman<br>
> <<a href="mailto:write.to.jason@gmail.com">write.to.jason@gmail.com</a>> wrote:<br>
><br>
> ><br>
> ><br>
> >> I have absolutely no knowledge about the Arduino, but I've seen<br>
> >> clones advertised on e-bay for less than $2 - link below.<br>
> >><br>
> >> Can anyone tell me if this as actually a working solution and if<br>
> >> the low price is actually possible?<br>
> >><br>
> >><br>
> >><br>
> >> <a href="http://www.ebay.com/itm/1PCS-Pro-Mini-atmega328-5V-16M-Replace-ATmega128-Arduino-Compatible-Nano-/152160908037?hash=item236d7f3305:g:MMcAAOSw2GlXLD~U" rel="noreferrer" target="_blank">http://www.ebay.com/itm/1PCS-Pro-Mini-atmega328-5V-16M-Replace-ATmega128-Arduino-Compatible-Nano-/152160908037?hash=item236d7f3305:g:MMcAAOSw2GlXLD~U</a><br>
> >><br>
> >><br>
> > Arduino is probably the easiest / cheapest way to access analog<br>
> > sensors. While quality of these do vary, I have had good experience<br>
> > with these very cheap units. Note that you need to program these<br>
> > devices via a USB cable and an FTDI programmer (you can also find<br>
> > one on ebay for a few dollars). I would recommend for someone new<br>
> > to Arduino that you get an Arduino uno / sparkfun redboard (or a<br>
> > chinese clone of one of these) - they have the programmer built<br>
> > into the board (so you just plug it via USB to your computer). They<br>
> > also have headers soldered onto the board already, so you can<br>
> > connect sensors, LEDs, etc without soldering, which is good for<br>
> > getting started.<br>
> ><br>
> > Jason<br>
> ><br>
> ><br>
> ><br>
> >> --<br>
> >> Shlomo Solomon<br>
> >> <a href="http://the-solomons.net" rel="noreferrer" target="_blank">http://the-solomons.net</a><br>
> >> Sent by Claws Mail 3.11.1 - KDE 4.14.5 - LINUX Mageia 5<br>
> >><br>
> >><br>
> >> _______________________________________________<br>
> >> Linux-il mailing list<br>
> >> <a href="mailto:Linux-il@cs.huji.ac.il">Linux-il@cs.huji.ac.il</a><br>
> >> <a href="http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il" rel="noreferrer" target="_blank">http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il</a><br>
> >><br>
> ><br>
> ><br>
> ><br>
> > --<br>
> > Jason Friedman, PhD<br>
> > Senior Lecturer<br>
> > Department of Physical Therapy<br>
> > Tel Aviv University<br>
> > email: <a href="mailto:write.to.jason@gmail.com">write.to.jason@gmail.com</a><br>
> > web: <a href="http://curiousjason.com" rel="noreferrer" target="_blank">http://curiousjason.com</a><br>
> ><br>
> > _______________________________________________<br>
> > Linux-il mailing list<br>
> > <a href="mailto:Linux-il@cs.huji.ac.il">Linux-il@cs.huji.ac.il</a><br>
> > <a href="http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il" rel="noreferrer" target="_blank">http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il</a><br>
> ><br>
> ><br>
<br>
<br>
<br>
--<br>
Shlomo Solomon<br>
<a href="http://the-solomons.net" rel="noreferrer" target="_blank">http://the-solomons.net</a><br>
Sent by Claws Mail 3.11.1 - KDE 4.14.5 - LINUX Mageia 5<br>
<br>
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</div></div></blockquote></div><br></div>