Your in luck! Cheese @ Bit-Tech has come up with a neat 'piggy-back' device that will allow each of your GPO's to support 32W @ 12V. Click here to check it out. Why did you go for a PCB based approach ...
The Model 723 TCP PoE access control network keypad has 16 keys and a 4 x 20-character, backlighted LCD. The sealed, vandal-resistant, metal keypad is housed in a surface-mountable metal enclosure ...
Makers, hobbyists and developers that enjoy building projects using the awesome Arduino Uno development board may be interested in a new enclosure that has been designed by JEM Innovation called the ...
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