Karthi

Hello I'm trying to communicate with an RS232 flow meter through an Arduino board and Diligent PMOD RS232. I have this code written, but I'm not able to receive anything back. #include <SoftwareSerial.h> const byte rxPin = 8; const byte txPin = 9; SoftwareSerial bronkhorst (rxPin,txPin); void setup() { // put your setup code here, to run once: pinMode(rxPin,INPUT); pinMode(txPin,OUTPUT); bronkhorst.begin(38400); Serial.begin(38400); } void loop() { // put your main code here, to run repeatedly: bronkhorst.write(":068004744F744F\r\n"); char c = bronkhorst.read(); Serial.write(c); delay(1000); } Is there any way I could check if the module works without any equipment connected? Thank you