Arduino

#include <OSCMessage.h>

#ifdef BOARD_HAS_USB_SERIAL
#include <SLIPEncodedUSBSerial.h>
SLIPEncodedUSBSerial SLIPSerial( thisBoardsSerialUSB );
#else
#include <SLIPEncodedSerial.h>
 SLIPEncodedSerial SLIPSerial(Serial);
#endif

void setup() {

    Serial.begin(9600);
}

void loop() {

  int sensorValue = analogRead(A0);

  float voltage = sensorValue;

  // Serial.println(voltage);

  OSCMessage msg1("/brightness");
  msg1.add(voltage);
  SLIPSerial.beginPacket();
  msg1.send(SLIPSerial);
  SLIPSerial.endPacket();
  msg1.empty();

}