Copy into the LIBRARY folder.
// A4988 Test Sketch #define STEP_PIN 2 #define DIR_PIN 3 a4988 proteus library download
A proper A4988 Proteus model should have at least these pins: Copy into the LIBRARY folder
Now go ahead, fire up Proteus, and make that stepper motor turn. Happy simulating! fire up Proteus
void loop() digitalWrite(STEP_PIN, HIGH); delayMicroseconds(500); digitalWrite(STEP_PIN, LOW); delayMicroseconds(500);