What is the code if I want to achieve this requirement:

Divide the slider range into four evenly spaced intervals, and assign one LED to each interval. Therefore, as you adjust the slider, your script should illuminate the LEDs one by one (but only one LED should be lit at a time), depending on the position of the slider.

A DIGI fritzing Conditional statements sample (o be placed in the void loop ) section of code) provides the syntax for using conditional statements in Arduino: if (pinFiveInput 500) //do Thing A else if (pinFiveInput -1000) //do Thing B else //do Thing C