Unmounted Motor Driver Shield

Project - Door automation using rainsensor.
Description: Rain sensor sense raining and closes door and when rain stops the door opens.
I was using this site as reference- https://techatronic.com/rain-detector-using-arduino-and-raindrop-sensor/

Refererred link is not detailed enough and there are some mistakes. Since this is my first ever project using arduino, I don't want to fry the components, so I am asking for help.

Using components:

  1. Rainsensor.
  2. Arduino Uno.
  3. Motor driver shield (https://a.co/d/99SSIZd)
  4. Dc motor (sourced from dvd writer)

Main issues -

  1. Since rainsensor is connected to Uno board, I can not mount the motor driver shield onto the Uno board directly. So I need to know which pin in motor driver shield should be connected to Uno board with jumper wire, to run a bidirectional dc motor. I want to use m1 in motor driver shield, so which pin takes input from Uno.
  2. Connection table, Code for the project if possible

Check the motor driver shield up. Likely not used pins are passed through.
What's the data of that motor?
You make the code, not forum. Look for example code for the driver board.

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