On Sun, Oct 7, 2012 at 8:52 PM, Michael Torrie <torr...@gmail.com> wrote: > On 10/07/2012 08:39 PM, Ryan Byrd wrote: >>> I have only one power supply. It's called a battery. I cannot add a >>> second battery. This is on a vehicle. >> >> well... you could get a dc-dc converter that takes 12v in and outputs >> 24v, like this >> http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_155695_-1 >> then, with 24v you could use a pair of resistors in a voltage divider >> circuit to get +/- 12v: http://en.wikipedia.org/wiki/Voltage_divider > > That may work... though the current rating is rather low. > >> Another option is to use an 12->120v inverter and then use a computer >> power supply. ATX, for example, has +/- 12 volt outputs: >> http://jwenet.net/notebook/2005/1161.html > > Hmm, sounds complicated. > > Will give it some thought. >
There is an app on iPhone and Android called iCircuit for building and simulating circuits. I believe the iPhone app is more feature rich as it was just barely released for Android. Cheers, Stephen /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */