<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">bummer.... but lucky i have loads of PNP transistors... <div><br></div><div>would have loved to avoid it thou</div><div><br></div><div><br><div><div>Den 19/03/2014 kl. 20.09 skrev Adrian Godwin:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">I wouldn't. That buzzer takes 30mA and the pi pins are rated at 16mA.<br><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Mar 19, 2014 at 6:52 PM, Bo Herrmannsen <span dir="ltr"><<a href="mailto:bo.herrmannsen@gmail.com" target="_blank">bo.herrmannsen@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">I have seen guides where they attached one direct...<div><br></div><div>but of course a 3V one is needed... </div>
<div><br></div><div><a href="http://www.tandyonline.co.uk/miniature-3-3v-pcb-buzzer.html" target="_blank">http://www.tandyonline.co.uk/miniature-3-3v-pcb-buzzer.html</a></div><div><br></div><div><br></div><div><br><div><div>
Den 19/03/2014 kl. 19.17 skrev Adrian Godwin:</div><div><div class="h5"><br><blockquote type="cite"><div dir="ltr">A GPIO pin won't drive a buzzer. Needs a transistor at least. <br></div><div class="gmail_extra"><br><br>
<div class="gmail_quote">On Wed, Mar 19, 2014 at 5:34 PM, Bo Herrmannsen <span dir="ltr"><<a href="mailto:bo.herrmannsen@gmail.com" target="_blank">bo.herrmannsen@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">yeah....<div><br></div><div>a buzzer with 2 terminals cant be more simple... one terminal to gnd and one to a GPIO pin... ie pin 15 or GPIO 22</div>
<div><br></div><div><br><div><div>Den 19/03/2014 kl. 18.30 skrev Stuart Poulton:</div><div><div><br><blockquote type="cite"><p dir="ltr">I going with the keep it simple approach. </p>
<div class="gmail_quote">On 19 Mar 2014 17:25, "Bo Herrmannsen" <<a href="mailto:bo.herrmannsen@gmail.com" target="_blank">bo.herrmannsen@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">to big.... it will not fit... its the buzzer only i need<div><br></div><div><br><div><div><div>Den 19/03/2014 kl. 17.50 skrev Stuart Poulton:</div><br><blockquote type="cite"><p dir="ltr">
How about this</p><p dir="ltr"><a href="http://shop.pimoroni.com/products/pibrella" target="_blank">http://shop.pimoroni.com/products/pibrella</a></p>
<div class="gmail_quote">On 19 Mar 2014 14:32, "Bo Herrmannsen" <<a href="mailto:bo.herrmannsen@gmail.com" target="_blank">bo.herrmannsen@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Figured it....<br>
<br>
Now where do i find a buzzer for 3.3V that does not overload the Ras Pi's GPIO pins?<br>
<br>
<br>
<br>
Den 18/03/2014 kl. 14.14 skrev Bo Herrmannsen:<br>
<br>
> Hi<br>
><br>
> anyone that can help me out with php?<br>
><br>
><br>
> i need to replace some special danish char's with something else. This should happen no matter where they pop up.<br>
><br>
><br>
> $string = $row['delivery_street_address'];<br>
><br>
> $patterns = array();<br>
> $patterns[0] = '*å*';<br>
> $patterns[1] = '*æ*';<br>
> $patterns[2] = '*ø*';<br>
><br>
><br>
> $replacements = array();<br>
> $replacements[3] = '/x7D';<br>
> $replacements[2] = 'X';<br>
> $replacements[1] = '/x7C';<br>
><br>
> echo preg_replace($patterns, $replacements, $string);<br>
><br>
><br>
><br>
> the address in this case is: Sandkæret 1,1,1<br>
><br>
> but these 3 letters can pop up anywhere in any numbers<br>
><br>
> all help is welcome :-D<br>
><br>
><br>
<br>
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