Coding a remote controlled car

Hi, I have to build a remote-controlled car for a project and I was wondering how I can give multiple commands through the serial monitor and how to code so that the code sees how many commands there are and what to do in the right order. I was thinking of using a for loop with 4 if statements one for left(1) one for right(2) one for straight(3) and one for backwards(4). I was thinking if I wrote something like 33142 it could take the amount of commands in the number being 5 and it would make it loop 5 times in the loop. The hardest part is how to make it do things one by one in order please help.

plenty of how to on rc units in Google

Hello
An Arduino with a FSM and a pot of timers will help you.

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