I have 4 inputs.Also I have 4 output relays.What I need is
When input 1 is switched on relay 1 should turn on.
When input 2 is switched on relay 2 should turn on.
When input 3 is switched on relay 3 should turn on.
When input 4 is switched on relay 4 should turn on.
When input 1 & 2 is switched on relay 1 & 2 should turn on one after the other.
When input 1 & 2 & 3 is switched on relay 1 & 2 & 3 should turn on one after the other.
When input 1 & 2 & 3 & 4 is switched on relay 1 & 2 & 3 & 4 should turn on one after the other.
I want to do this without a uC.