4 wire contunuty tester using ardunio

Somebudy help me
How to code 4 wire contunity tester
And 4 wire ok output is blink green led
4 wire cross or open led is off

Do you mean you want to measure 4 wires separately for continuity?

And 4 wire ok output is blink green led
4 wire cross or open led is off

It’s pretty easy to control LEDs however you want with whatever “data” you have.

Yse,4 wire seapratly
Pin2 to pin7
Pin3 to pin8
Pin4 to pin9
Pin5 to pin 10

Pin to pin connection ok led blink
Wire no connection or short led no blink