You demonstrate a train safety system. A door of train has a sensor to detect any passenger in the middle of the door. I

[answerhappygod]

You demonstrate a train safety system. A door of train has a
sensor to detect any passenger in the middle of the door. If so, a
red LED is blinking, and the train stays until it is cleared by
manual override (by clicking a button). If no passenger detected, a
green LED is blinking for 2 seconds, and the train moves forward
for 3 seconds. You can consider the sensor on the door to be an LED
and a photoresistor as a pair. Initially train stop and doors are
open or 5 seconds. If a door of train detects any passenger in the
middle of the door, a red LED is blinking, and the train stays
until it is cleared by manual override (by clicking a button). If
no passenger detected, a green LED is blinking for 2 seconds, and
the train moves forward for 3seconds. Design an electric circuit
with necessary components required for the system and write
pseudocode for the same by explaining the ideology/principle of
working of the system designed