The sensor from post#1 is essentially a ballpoint spring mounted inside a metal tube.
Spring is electrically isolated and attached on one end only. Everything a bit smaller ofcourse.
Commonly used in toys.
Leo..
The sensor from post#1 is essentially a ballpoint spring mounted inside a metal tube.
Spring is electrically isolated and attached on one end only. Everything a bit smaller ofcourse.
Commonly used in toys.
Leo..