[OpenTRV-dev] OT: replacement of danish char's inside a word

[Bo Herrmannsen]

been following this pic

http://3.bp.blogspot.com/_c8EartLqdVs/TNQ-7InWxaI/AAAAAAAAAmo/ICttrtFaPlw/s1600/PNP+Driver.bmp

replaceing the relay coil with the buzzer and leaving out the diode


Den 19/03/2014 kl. 20.09 skrev Adrian Godwin:

> I wouldn't. That buzzer takes 30mA and the pi pins are rated at 16mA.
> 
> 
> 
> On Wed, Mar 19, 2014 at 6:52 PM, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
> I have seen guides where they attached one direct...
> 
> but of course a 3V one is needed... 
> 
> http://www.tandyonline.co.uk/miniature-3-3v-pcb-buzzer.html
> 
> 
> 
> Den 19/03/2014 kl. 19.17 skrev Adrian Godwin:
> 
>> A GPIO pin won't drive a buzzer. Needs a transistor at least. 
>> 
>> 
>> On Wed, Mar 19, 2014 at 5:34 PM, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
>> yeah....
>> 
>> 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
>> 
>> 
>> Den 19/03/2014 kl. 18.30 skrev Stuart Poulton:
>> 
>>> I going with the keep it simple approach.
>>> 
>>> On 19 Mar 2014 17:25, "Bo Herrmannsen" <EMAIL ADDRESS HIDDEN> wrote:
>>> to big.... it will not fit... its the buzzer only i need
>>> 
>>> 
>>> Den 19/03/2014 kl. 17.50 skrev Stuart Poulton:
>>> 
>>>> How about this
>>>> 
>>>> http://shop.pimoroni.com/products/pibrella
>>>> 
>>>> On 19 Mar 2014 14:32, "Bo Herrmannsen" <EMAIL ADDRESS HIDDEN> wrote:
>>>> Figured it....
>>>> 
>>>> Now where do i find a buzzer for 3.3V that does not overload the Ras Pi's GPIO pins?
>>>> 
>>>> 
>>>> 
>>>> Den 18/03/2014 kl. 14.14 skrev Bo Herrmannsen:
>>>> 
>>>> > Hi
>>>> >
>>>> > anyone that can help me out with php?
>>>> >
>>>> >
>>>> > i need to replace some special danish char's with something else. This should happen no matter where they pop up.
>>>> >
>>>> >
>>>> > $string = $row['delivery_street_address'];
>>>> >
>>>> > $patterns = array();
>>>> > $patterns[0] = '*å*';
>>>> > $patterns[1] = '*æ*';
>>>> > $patterns[2] = '*ø*';
>>>> >
>>>> >
>>>> > $replacements = array();
>>>> > $replacements[3] = '/x7D';
>>>> > $replacements[2] = 'X';
>>>> > $replacements[1] = '/x7C';
>>>> >
>>>> > echo preg_replace($patterns, $replacements, $string);
>>>> >
>>>> >
>>>> >
>>>> > the address in this case is: Sandkæret 1,1,1
>>>> >
>>>> > but these 3 letters can pop up anywhere in any numbers
>>>> >
>>>> > all help is welcome :-D
>>>> >
>>>> >
>>>> 
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