basic stamp board problem
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Posts: 46,084
i'm using the basic stamp experimental board NX-1000
i found that it is wierd when somestimes i can switch it on and
sometimes can't .
my power supply is 7.5v and 1000mA
somestimes i try to let the power supply become 12 v 1000mA and let
is be 7.5 v.then it suddenly can be used.but somestimes it doesn't
work and i need to wait for 1/2 hr to 2 hr to switch it on again.this
make my times wasted to wait for it .
what's is actually happening for this wierd situation?thanks .
i found that it is wierd when somestimes i can switch it on and
sometimes can't .
my power supply is 7.5v and 1000mA
somestimes i try to let the power supply become 12 v 1000mA and let
is be 7.5 v.then it suddenly can be used.but somestimes it doesn't
work and i need to wait for 1/2 hr to 2 hr to switch it on again.this
make my times wasted to wait for it .
what's is actually happening for this wierd situation?thanks .
Comments
How did that VB interface turn out?
And what do you mean 'I try to let the
power supply become 12 v 1000mA' ???
It's either a 7.5 volt supply, or a
12 volt supply, no?
And where is this switch you refer to?
--- In basicstamps@yahoogroups.com, "kaijiun83" <kaijiun83@y...>
wrote:
> i'm using the basic stamp experimental board NX-1000
> i found that it is wierd when somestimes i can switch it on and
> sometimes can't .
> my power supply is 7.5v and 1000mA
> somestimes i try to let the power supply become 12 v 1000mA and let
> is be 7.5 v.then it suddenly can be used.but somestimes it doesn't
> work and i need to wait for 1/2 hr to 2 hr to switch it on
again.this
> make my times wasted to wait for it .
> what's is actually happening for this wierd situation?thanks .
started to encounter this problem .
my adapter is an adjustable one ,so it can change the voltage from 3 to 12 v by
adjusting it.but its current cannot be adjusted .1000 mA is nonadjustable
the switch i mean is the power switch on the top left of the experimental board
.when i test my circuit ,the board doesn't work somestimes when i close the
switch and open it again .it takes very long time for its recovery to let the
green LED on again(i see the green LED will turn on if the board is on,so that's
how i see it).
Allan Lane <allan.lane@h...> wrote:
Hey Kaijiun:
How did that VB interface turn out?
And what do you mean 'I try to let the
power supply become 12 v 1000mA' ???
It's either a 7.5 volt supply, or a
12 volt supply, no?
And where is this switch you refer to?
--- In basicstamps@yahoogroups.com, "kaijiun83"
wrote:
> i'm using the basic stamp experimental board NX-1000
> i found that it is wierd when somestimes i can switch it on and
> sometimes can't .
> my power supply is 7.5v and 1000mA
> somestimes i try to let the power supply become 12 v 1000mA and let
> is be 7.5 v.then it suddenly can be used.but somestimes it doesn't
> work and i need to wait for 1/2 hr to 2 hr to switch it on
again.this
> make my times wasted to wait for it .
> what's is actually happening for this wierd situation?thanks .
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