Hello, I would like to ask how can I save the state of my IR break beam sensor? [Untitled.png] The process: If A0 Breaks, state = 1 and if the state = 1 then no beep sound even if A1 Breaks else If A0 not break, state = 0 and when the A1 breaks, beeps will sound Scenario If the person pass t…

Save state of IR Break Beam Sensor

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