LibreValve: an electric MG90S servo shut-off valve

New design for the MG90S servo motor. Simple construction. Shuts off flow

Screw the horn onto the servo and then attach the servo to the housing, insert 4mm outer diameter tubing through the hole and out to the other side.

Printed in PLA on ender 3, 20% infill no supports.

Easily controlled with Arduino. Sample script below: (servo connected to D2 of arduino nano)

#include <Servo.h>

Servo myservo;

void setup() {

  myservo.attach(2);

  myservo.write(0);

}

void close() {

  myservo.write(120);

}

void open() {

  myservo.write(0);

}

void loop() {

  open();

  delay(5000);

  close();

  delay(2000);

}