MT3608 2A Max DC-DC Step Up Power Module Booster Power Module

void setup() {
  Serial.begin(9600);
  while (!Serial) {
    ;
  }

  Serial.println("MT3608 boost converter canonical example");
  Serial.println("Arduino Uno 5V -> MT3608 VIN+ / GND -> VIN-");
  Serial.println("MT3608 VOUT+ is shown connected to Arduino VIN, and VOUT- to GND.");
  Serial.println("This component is passive, so no control code is required.");
}

void loop() {
  // The MT3608 module is a power converter with no digital interface.
  // In a real project, it would simply provide a boosted supply voltage.
  delay(1000);
}