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

[Adrian Godwin]

Yes, fine if it's an electronic buzzer. If it's electromechanical then you
need the diode.



On Wed, Mar 19, 2014 at 8:58 PM, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>wrote:

> 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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