Cronoid is the best automation tool.
It's very simple and powerful automation.
Perform task on a regular basis as cron.
It is also possible to perform tasks automatically when the state of the terminal has changed.
Easy to use.
It may only be three set of Trigger and Action and Limit.
Trigger - This is the condition that will trigger to perform the task.
Action - This is the process the contents of the task.
Limit - This is the condition in order to limit the execution of the task.
External power supply Task
External power supply
Still image shooting
Switch task enable
Send http request
Screen lock state
Can use all the features in the free version.
The free version allows you to create up to five tasks.