Piston: Design Help

How do I stop piston while it's working? (11)
Turn on Heater 3 (Loud Kicks!) if Temp Difference Between Heater 1 (quiet) and Heater 2 (quiet) is greater than 1 degree (17)
Best way to activate a piston from another piston? (10)
[newbie] Setting a variable? (16)
Just teaching myself variables - name changes [email protected] to _ (9)
Change a variable from a switch? (3)
Managing two locations (3)
Driveway lights on with motion or open door (3)
Pump Sump Interval Monitor (2)
Want piston to check temp of room every X minutes (5)
Webcore presence sensor on Iphone does not switch to not present (5)
Lock door after 10 (18)
Arm / Disarm ADT Based on Location Mode (6)
How do I pull $httpStatusCode from a HEAD web request (1)
Issue with Light Colour Change Level (4)
Custom number device attribute returning null instead of zero (5)
Setting Dimmer Level without turning on ( 2 3 ) (42)
Conditional on timing for two items (13)
There was a problem loading the dashboard data (6)
Simple light timer help (7)
Unable to compete webcore install (4)
To Pause or Not to Pause a piston:) (1)
Door open when alarm activated, send sms message (2)
Trying to understand logic of piston (7)
How to debug/test a presence piston? (7)
Piston Trigger Behavior/Logic Not Executing As Expected (8)
Need help with a paused piston (16)
Can't get lights to turn off (8)
Arrival Piston to set Smart Home Monitor to Disable and Stay (15)
Lighting piston; motion and / or contact (2)