Easy Pump arduino stepper

grabcad

Easy pump with arduino and Stepper motor.https://youtu.be/dSlVYtNwtloi use:6x bearings: 10x5x4 mmNEMA 17Stepper motor with 5mm shaftsteper driver pololu A4988Arduino Nanorezistor 10kswitchsilicone pipe 5x3mmsome screws M3,M2 and nutsarduio code:int x;const int buttonPin = 2;int buttonState = 0;void setup(){​pinMode(6, OUTPUT); // EnablepinMode(5, OUTPUT); // SteppinMode(4, OUTPUT); // DirdigitalWrite(6, LOW); // Set Enable lowpinMode(buttonPin, INPUT);Serial.begin(9600);}​void loop(){​buttonState = digitalRead(buttonPin);Serial.println(buttonState);if (buttonState == HIGH) {​digitalWrite(6, LOW); // Set Enable lowdigitalWrite(4, HIGH); // Set Dir highfor (x = 0; x < 4000; x++) // Loop 200 times{​ digitalWrite(5, HIGH); // Output high delayMicroseconds(300); // Wait 1/2 a ms digitalWrite(5, LOW); // Output low delayMicroseconds(300); // Wait 1/2 a ms}​delay(1000); // pause one second}​else {​digitalWrite(6, HIGH); // Set Enable low}​}​