Fridge Door open Alarm

Hardware Interfacing Questions
1

Hello. I am new to XOD. I want to build a fridge door open alarm with XOD and the ATTINY 85.
Can someone give some help as to where to start with XOD.
I want to drive a piezo buzzer after 30 sec that the fridge door is open. I also like to drive a LED to show that the fridge door has been opened.

Thank you

GD

2

The easiest code would be to have your sensor control the LED directly (examples in the built-in tutorial), and have it start a delay timer (delay-SET) when the door is opened. If delay-ACT is false (use “not” node to make signal true when delay-ACT is false) AND the door is open, then the alarm should be on.

3

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