Hey Bruce, Not sure what the use case is here, but to increase available power, what about using a solar panel with battery and inverter.
There is an engineer that has a blog on building circuits and doing lots of things using a cell phone as the activator. Take a look here : http://homemadecircuitsandschematics.blogspot.in/2012/11/making-cell-phone-controlled-remote.html Mike On Mon, Nov 26, 2012 at 2:40 PM, Bruce N <[email protected]> wrote: > Thanks Mark. > > This is very close to what I am looking for but it needs, *"**12 volt DC > power supply with a current rating of 500mA". *The best I can give is a 9V > battery, 4 AA batteries, or some lithium ion battery and I want it to last > few weeks if not few months. I wonder if an old Nokia phone can turn a > stepper or servo just like it does to a vibrator? > > -Bruce > > > On Mon, Nov 26, 2012 at 7:06 AM, Mark van Berkel <[email protected]> > wrote: > > > There are devices like this available. > > > > http://www.gsm-auto.com/ > > > > Maybe this would work for you application? > > > > > > Sent from my wireless handheld device. Please excuse my typos... > > > > > > On Nov 25, 2012, at 11:55 PM, Bruce N <[email protected]> wrote: > > > > Hi everyone, > > > > I have been looking into Arduino and similar boards for a project that > > requires a motor to turn ON when a call is received or an SMS is > received. > > That seems to get to no where as power becomes an issue. The unit has to > be > > powered using cell batteries. I am wondering if anyone has hacked > something > > like this before or came across any simple GSM phones that can control a > > motor when a signal is received? > > > > Thanks, > > Bruce > > > > > -- Mike Ashton CTO Quality Track International Phone: +1 647.724.3500 x251 Cell: +1 416.527.4995
