#include SoftwareSerial mySerial(2, 3); //RX, TX void setup() { Serial.begin(9600); mySerial.begin(9600); } void loop() { if(Serial.available() <= 1022){//Read from serial monitor and send over HC-12 int sensorValue1 = Serial.parseInt(); mySerial.println(sensorValue1); } if(mySerial.available() <= 1022){//Read from HC-12 and send to serial monitor int sensorValue1= mySerial.parseInt(); Serial.println(sensorValue1); } if(Serial.available() <= 5){//Read from serial monitor and send over HC-12 float voltageValue1 = Serial.parseFloat(); mySerial.println(voltageValue1); } if(mySerial.available() <= 5){//Read from HC-12 and send to serial monitor float voltageValue1 = mySerial.parseFloat(); mySerial.println(voltageValue1); } delay(20); }