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With a bit more information, we can makeI want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
It would be when an object cuts off a light beam.davidt wrote:
I want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
With a bit more information, we can make
better recommendations. When you say
'light source', do you mean when the
ambient light in an area goes out, or
when an object cuts off a light beam?
For the latter, google 'photointerrupter',
'IR emitter/detector', illumination sensor'.
HTH
Search for "break beam detector" and look for one with a relay outputI want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
Have tried searching for "break beam detector" and variations, but noOn Thu, 3 Jan 2008 17:52:20 -0800 (PST), davidt <da...@talktalk.net
wrote:
I want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
Search for "break beam detector" and look for one with a relay output
- usually good for 5 amps at 120 VAC.
You could probably find something surplus along those lines if you
need it inexpensive - they are used in the thousands in manufacturing.
--
Try " ir beam detector". Or variations.Have tried searching for "break beam detector" and variations, but no
luck. Are they known as anything else?
You could probably easily modify something like this to suit yourOn Fri, 4 Jan 2008 16:38:28 -0800 (PST), davidt <dav1d@talktalk.net
wrote:
Have tried searching for "break beam detector" and variations, but no
luck. Are they known as anything else?
Try " ir beam detector". Or variations.
Where IR is infrared
On Jan 4, 9:35 pm, default <defa...@defaulter.net> wrote:
On Thu, 3 Jan 2008 17:52:20 -0800 (PST), davidt <da...@talktalk.net
wrote:
I want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
Search for "break beam detector" and look for one with a relay output
- usually good for 5 amps at 120 VAC.
You could probably find something surplus along those lines if you
need it inexpensive - they are used in the thousands in manufacturing.
--
Have tried searching for "break beam detector" and variations, but no
luck. Are they known as anything else?
Three links for a (partial) solution on a dutch site:
Marlin p Jones had some surplus ones awhile back and I bought two,On Jan 4, 9:35 pm, default <defa...@defaulter.net> wrote:
On Thu, 3 Jan 2008 17:52:20 -0800 (PST), davidt <da...@talktalk.net
wrote:
I want to operate a solenoid (6v 300mA) when a light source in
interupted.
I was thinking along the lines of a optical sensor and a relay but was
wondering if a componant existed that does this without my needing to
build a circuit at all?
Search for "break beam detector" and look for one with a relay output
- usually good for 5 amps at 120 VAC.
You could probably find something surplus along those lines if you
need it inexpensive - they are used in the thousands in manufacturing.
--
Have tried searching for "break beam detector" and variations, but no
luck. Are they known as anything else?