N
Nehmo Sergheyev
I have a HP M22 camera http://snipurl.com/fd13 , and here are its power
specs:
"Typical power usage: 1.35 Watts with Image Display on. 2.9 Watts
maximum power usage.
Power sources include the following:
.. Either two non-rechargeable AA Lithium batteries (included) or two
rechargeable AA NiMH batteries (purchased separately). Rechargeable
batteries can be recharged either in the camera using the optional HP AC
power adapter or optional HP Photosmart M-series dock, or separately in
the optional HP Photosmart Quick Recharger.
.. Optional HP AC power adapter (3.3 Vdc, 2500 mA, 8.25 W).
.. Optional HP Photosmart M-series dock.
Recharging in camera with the optional HP AC power adapter or optional
HP Photosmart M-series dock: 100% in 15 hours."
HP sells a $50 external power supply for the camera:
HP Photosmart 3.3V AC adapter C8912B http://snipurl.com/fd11 , which
provides 3.3 Volts.
A marking on the camera assigns the + polarity to the center connector
of the jack, and it's a small jack.
Q1: What do you call that kind of jack?
Q2: Computer ATX power supplies have a 3.3 V line. I have some old
unused power supplies (and I can buy them nearby for $5). Can I use an
ATX power supply to power the camera?
My understanding of an ATX is that normally one of the 5 V wires is
always on but the rest of the lines are controlled by a soft switch fed
to one of the wires.
Q3: What do I do exactly to turn on the power supply? Do I ground pin
14? (http://www.pavouk.comp.cz/hw/en_atxps.html pin out diagram scroll
down)
Q4: Will this camera, or camera's that require 3.3 V in general , work
on the 3 V (setting of the) power supplies like Wal-Mart sells
http://snipurl.com/fd4t?
Q5: I see some universal adapters
http://www.clubmac.com/clubmac/shop/detail~dpno~339148.asp " Equipped
with technology to calculate your camera's voltage " How does it
determine the camera's voltage requirements?
specs:
"Typical power usage: 1.35 Watts with Image Display on. 2.9 Watts
maximum power usage.
Power sources include the following:
.. Either two non-rechargeable AA Lithium batteries (included) or two
rechargeable AA NiMH batteries (purchased separately). Rechargeable
batteries can be recharged either in the camera using the optional HP AC
power adapter or optional HP Photosmart M-series dock, or separately in
the optional HP Photosmart Quick Recharger.
.. Optional HP AC power adapter (3.3 Vdc, 2500 mA, 8.25 W).
.. Optional HP Photosmart M-series dock.
Recharging in camera with the optional HP AC power adapter or optional
HP Photosmart M-series dock: 100% in 15 hours."
HP sells a $50 external power supply for the camera:
HP Photosmart 3.3V AC adapter C8912B http://snipurl.com/fd11 , which
provides 3.3 Volts.
A marking on the camera assigns the + polarity to the center connector
of the jack, and it's a small jack.
Q1: What do you call that kind of jack?
Q2: Computer ATX power supplies have a 3.3 V line. I have some old
unused power supplies (and I can buy them nearby for $5). Can I use an
ATX power supply to power the camera?
My understanding of an ATX is that normally one of the 5 V wires is
always on but the rest of the lines are controlled by a soft switch fed
to one of the wires.
Q3: What do I do exactly to turn on the power supply? Do I ground pin
14? (http://www.pavouk.comp.cz/hw/en_atxps.html pin out diagram scroll
down)
Q4: Will this camera, or camera's that require 3.3 V in general , work
on the 3 V (setting of the) power supplies like Wal-Mart sells
http://snipurl.com/fd4t?
Q5: I see some universal adapters
http://www.clubmac.com/clubmac/shop/detail~dpno~339148.asp " Equipped
with technology to calculate your camera's voltage " How does it
determine the camera's voltage requirements?