most popular ne555 is now ready for online simulation

Started by Patrick Chung in sci.electronics.basics7 years ago 2 replies

It is possible to online simulate ne555 astabile multivibrator...

It is possible to online simulate ne555 astabile multivibrator on: http://www.cirvirlab.com/simulation/ne555_astable_multivibrator_online.php together with many other circuits, on: http://www.cirvirlab.com/index.php/simulations.html


dying trees

Started by Jasen Betts in sci.electronics.basics2 years ago 19 replies

As is seasonally traditional, we recently had a dying tree in our house the tree had no roots, the base of the trunk sat in a vesel of...

As is seasonally traditional, we recently had a dying tree in our house the tree had no roots, the base of the trunk sat in a vesel of water, and if the water is not kept topped up the tree dies before the end of festivities. So I decided to instrument the plastic vessel to confirm water level, I placed with a couple of strips of copper tape where they are unobtrusive wired up an NE555...