Schedule fix desired time to control servo motor

[SteveJG]

@Ai_Man

Is it a must to use time picker for this case?

No, you do not need to use a TimePicker. You can hard code the times. Here is an example you might be able to adapt

Create a future alarm o alert

Welcome Caroll. There are many ways you can use App Inventor to schedule an event at a future date . An extension, in your case is probably not required. This example shows one way using a Clock . It is not a full app. Modify it to do what you want it to do [scheduleEvent] to schedule an event. you need to code blocks to set the date you change oil . There are various ways to set an 'alarm date'. The example provides a Button to set a date and stores the date in a TinyDB. The code ad…