Master_Scythe

i dunno where this thread should go...

but anyway. im lookg for a device i can put in a circuit so power can only complete the circuit if its over 12v.

is there such a device? so (neg) (*unknown*) (led) (pos)

so the LED only lights up when its more than 12v getting to the *unknown* so it lets voltage through.

any ideas?

star882

A comparator does what you want.
An ordinary 741 along with a zener diode and some resistors can control a LED.

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TCPA would take your freedom! Say NO!
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HDTV the way it should be:
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Originally Posted by A friend of mine who has a Linux kernel named after his girlfriend.

If I was VirtualBox, I could load my virtualization module into Hannah and boot up another kernel in the same address space.