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1-Wire DS18B20 Thermometer

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Measuring room or object temperatures with the DS18B20. It is a digital component wich does all the work for you. You only need to COMMAND it do the measurement. A short moment later you can request 2 bytes containing the temperature.

Of course there is a protocal wich says how to communicate. See 1-Wire and the DS18B20 datasheet.

How 1-Wire works (by Maxim): http://www.maxim-ic.com/products/1-wire/flash/overview/index.cfm

Maxim 1-Wire

Maxim 1-Wire, how to communicate

Used parts:

  • PIC16F689
    1. FLASH: 4096 Words
    2. RAM: 256 Bytes
    3. IO Pins: 18
    4. Clock internal: 8MHz internal, 4MHz default config
    5. Clock external:up to 20MHz external
  • LCD 2×16, HD44780 Compatible
  • DS18B20

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Using WordPress With External SMTP server

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Source:
http://maisonbisson.com/blog/post/12939/using-wordpress-with-external-smtp-server/

Find in /wp-includes/pluggable.php the line that says $phpMailer->isMail();

Changed that to $phpMailer->isSMTP();

Now edit /wp-includes/class-phpmailer.php. Change the settings to whatever you wat.

...
public $Host = 'mailserver.domain.com';
...
public $SMTPAuth = 'true'; //(or false)
...
public $Username = 'myusername';
...
public $Password = 'mypassword';
...