what does this mean???

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Atheus

Diamond Member
Jun 7, 2005
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There are '+9v' and 'Gnd' symbols on there so I thought I already had my Vcc and ground...

Could it be that I connect them to a metal case or plate?
 
herm0016

herm0016

Diamond Member
Feb 26, 2005
8,516
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its just a chassis ground. you can connect the 2 with a wire and call it good. your voltage input is the +9 your negative is your gnd. if you were to put this with other things in the same case you would ground them all together with the chassis ground.
 
S

slpaulson

Diamond Member
Jun 5, 2000
4,414
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Trust me, it's ground.

To the person trying to convince him it's VCC, if the arrow is pointing down and it isn't labeled, I'd assume it's ground, especially when it's connected to a ground pin in his schematic! Connecting VCC to ground is a nice way to let the magic smoke out of your circuit.
 
irishScott

irishScott

Lifer
Oct 10, 2006
21,562
3
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Originally posted by: cRazYdood
Trust me, it's ground.

To the person trying to convince him it's VCC, if the arrow is pointing down and it isn't labeled, I'd assume it's ground, especially when it's connected to a ground pin in his schematic! Connecting VCC to ground is a nice way to let the magic smoke out of your circuit.
Click to expand...

Honestly, I've never seen said symbol before. Ground to me is always 3 pyramidal lines, regardless of direction, whereas vcc (to me) is never symbolized (it's always labeled "vcc" in some form or other). I'd assume it's vcc, but that's me.
 
herm0016

herm0016

Diamond Member
Feb 26, 2005
8,516
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you are wrong irishscott. you think a pyramid is vcc when you also know that ground is a pyramid?? like you said, vcc is always labeled!
 
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AmphibSailor

Golden Member
Feb 15, 2002
1,399
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:)

It actually means a floating ground or a common return as opposed to earth ground. It is used when connecting directly to the neg terminal of a battery for example.
 
DanTMWTMP

DanTMWTMP

Lifer
Oct 7, 2001
15,908
19
81
..or..just Signal Ground..

Regardless, it's GROUND.

How the hell can you say those are Vcc.
There are a couple ways to symbolize ground. unlabelled triangle, those three lines triangle, and an E. signal ground, earth ground, or chassis ground (signal and chassis i think is just floating grounds, ya). just treat them all as ground in ideal calcs. i think.. ya.
 
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biggestmuff

Diamond Member
Mar 20, 2001
8,201
2
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Originally posted by: irishScott
Originally posted by: cRazYdood
Trust me, it's ground.

To the person trying to convince him it's VCC, if the arrow is pointing down and it isn't labeled, I'd assume it's ground, especially when it's connected to a ground pin in his schematic! Connecting VCC to ground is a nice way to let the magic smoke out of your circuit.
Click to expand...

Honestly, I've never seen said symbol before. Ground to me is always 3 pyramidal lines, regardless of direction, whereas vcc (to me) is never symbolized (it's always labeled "vcc" in some form or other). I'd assume it's vcc, but that's me.
Click to expand...

Yeah. Great job discrediting yourself.
 
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slackwarelinux

Senior member
Sep 22, 2004
540
0
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Even though it looks like ATOT found the right answer (the triangle is ground), a really easy way to check it would be to look in the lower right of the schematic, where the triangle and gnd are connected. :p
 
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