Post : Art Controller: relay board with switches for timing
URL : http://hackaday.com/2012/09/13/art-controller-relay-board-with-switches-for-timing/
Posted : September 13, 2012 at 2:01 pm
Author : Mike Szczys
Tags : attiny2313, dip switch, relay, timer
Categories : Microcontrollers

http://hackadaycom.files.wordpress.com/2012/09/art-controler-relay-with-physical-timing-switches.jpg

Meet the Art Controller (http://www.evilmadscientist.com/2012/artcontroller/) , a new dev board available over at Evil Mad Scientist Laboratories. It provides a drop-in solution for switching higher voltage loads (but not mains). The thing we like most about it is the ability to alter a switching delay without reprogramming the firmware.

The board uses an ATtiny2313 for control. It's fed regulated 5V power from the on-board 7805 linear regulator. The relay can handle a 24V DC or 40V AC load, which is targeted at an audience that needs electronic switching for art-related devices but doesn't want the hassle of designing a circuit every time. This offers a single shot, or repeat action, with that bank of DIP switches selecting a delay from once every second, to every 31 hours. It can get its initial trigger from anything that can pull a pin low, like a button, or a coin acceptor.

Keep this in mind. The open source nature of the project (http://wiki.evilmadscience.com/Art_Controller) means it could come in handy as a reference design.

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