Re: running >1 PDA with a single A/C adapter?
- From: mike <spamme9@xxxxxxxxx>
- Date: Wed, 07 Nov 2007 09:17:15 GMT
mad.scientist.jr@xxxxxxxxx wrote:
Would it work to plug two or more PDAs into one AC adapter using a Y-In a perfect world, you wouldn't have any problem.
cable?
Purpose = I'm working on an Atari LYNX type game for 2-6 PDAs, either
Cassiopeia E-100/105/115/125 (5.5v or 5.9v for the E-125).
For it to work, would they have to be wired in parallel or serial?
Using the original charger/adapter that came with the PDA or one with
higher current?
How many could you hook up and still have them run reliably?
My fallback plan is battery power but if it is possible to plug in for
power I would prefer that.
Any info appreciated...
In a perfect world, you wouldn't change your requirements later and generalize...
In a perfect world, you wouldn't have serial/usb/audio ports connected
to different devices.
In a perfect world, the deisgners wouldn't let current come out
of the one device into another.
In a perfect world, the designers wouldn't use the charger current limit
to set the maximum battery charge current.
In a perfect world, ground is ground.
The problem that bites you is the imperfect part.
Since you don't have the experience to identify the imperfections,
you're risking your systems.
Don't ignore the problem with all paralleled power systems...
If you need 2 amps of peak power per device and you need six of them,
that's 12 amps. ANY device can consume 12AMPS and probably go up in smoke. The only time you need a current limit is when there's a fault
and current needs to be limited. 12 amps is not a rational current limit. At least put a fuse in each one. All it takes is to get the
device "cocked" in the sync connector to cause a temporary fault.
Take the advice to use the power strip.
--
Return address is VALID!
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