Update 30 Year Old Gate Operator Wiring Diagram Using Newer Components

I have a 30 year old wiring diagram for a 12 volt gate operator that I would like to have updated using modern electronics also consultation/input about the best choices of components . The old drawing consists of an open contactor, close contactor, safety relay, hold open relay, run timer, timer to close and a terminal strip for connection to limit switches, motor, buttons to operate etc.

See "gate function" file for description of how the existing gate works.
What I'm looking for is:
1. An update wiring diagram for a new control box for the gate operator using Arduino in-place of the old timers. This will give me many more options for adding features and accessories later (not part of this project) Some of the components like reversing contactor and relays will have to stay? Arduino timers will have to be adjustable by button or dial not programming if possible.
2. Arduino program to give me the same function I have now.
3. list of the parts not already in use

Skills: Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout

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( 1 review ) Fort St. John, Canada

Project ID: #18138400

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I can consult you on your gate operator controls upgrades. I have 19 years of experience in electrical engineering designing electrical controls for all types of systems. I have designed gate operator control upgrades More

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HI, About the Project : We have developed similer projects before Can we talk about the project :) 1. is there any function issues with the gate now ? 2. May i know why you want to upgrade this ? any reas More

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