[sdiy] OT- Battery powered HV supply?

[Grant Richter]

Look inside any disposable camera with a flash unit. There is a little PCB
that charges up a photoflash cap to 300 volts.

I got this from sci.hacks for cheap fast 300 volt supply. Be careful! 300
volts, even just in a cap, is enough to bite you pretty good!

> From: "Toby Paddock" <tpaddock at seanet.com>
> Date: Fri, 21 Jan 2005 14:04:43 -0800
> To: synth-diy at dropmix.xs4all.nl
> Subject: [sdiy] OT- Battery powered HV supply?
> 
> Sorry for yet another off-topic question, but this is where the good answers
> are.
> 
> I finished a little blinky neon bulb project and I found the current draw is
> lower than I expected. 20uA at 300V. So now I'm wondering about a low current
> battery powered supply.
> 
> Any favorite extremely low current supplies? I don't care about requlation or
> ripple. Would be nice if I could hang this up without wires and have it run
> for a year. I guess I could use 34 9V batteries.
> 
> Thanks,
> Toby