Hard drive magnets for sticky traffic lights

False. They're usually resonant circuits. When that is not
true then they are old fashioned pressure switches.

"Robert Haston" <[email hidden]> wrote in message
"]news:[email hidden]...
| Since traffic light trippers are all magnets, I figure the
| strength per ounce per dollar is what we are looking for.
| The neodymium magnets you
can
| get out of old hard drives are as strong as they come.
|
| As to complaining to your local DOT, I have seen the
| effect of sensors set too sensitive. Drivers turning right
| trip the adjacent left turn lane
light
| and switch the intersection.
|
| --
| Robert Haston Satellite Beach, FL
|
|

So the car acts like an iron core increasing the flux?

So my guess is all the devices sold (magnets as far as I can
tell) don't really work.

"Doug Huffman" <[email hidden]> wrote in message
"]news:[email hidden]...

Quoted message said:

False. They're usually resonant circuits. When that is not
true then

they

Quoted message said:

are old fashioned pressure switches.

"Robert Haston" <[email hidden]> wrote in
message -"]news:[email hidden]-
hlink.net...
| Since traffic light trippers are all magnets, I figure
| the strength per ounce per dollar is what we are looking
| for. The neodymium magnets you
can
| get out of old hard drives are as strong as they come.
|
| As to complaining to your local DOT, I have seen the
| effect of sensors

set

Quoted message said:

| too sensitive. Drivers turning right trip the adjacent
| left turn lane
light
| and switch the intersection.
|
| --
| Robert Haston Satellite Beach, FL
|
|