Is there a motion activated switch that will stay open for a predetermined period?

Tripwire hooks are similar to pressure plates, however two hooks can be connected by string up to 40 blocks away and are activated when the player steps on (or through) the string, or when the string is broken unless broken with shears. The first switches to be implemented were the lever, button, and pressure plates in Alpha 1.0.1 - these three switches are the basic/main switches of the game. In Beta 1.5, the Detector Rail was implemented for use with minecarts.

In 1.3.1, the Tripwire Hook was added to the game for use with tripwire. As of 1.4.2, buttons stay on for 1.2 seconds instead of 0.9. There are two ways to connect a switch to the object which you want it to activate.

First, you can attach the switch directly adjacent to the object. For instance, you could place a lever on a stone block touching a door. Toggling that switch will activate the door.

Second, you can connect the switch to the object using redstone dust as a type of wiring. By connecting the same stone block touching the door to another stone block with the redstone dust, you can essentially toggle the same door, but from further away.