[SOLVED] Device offline (UNO using USB-link)

Solved
21

@Imran123 Something to note… if you do have a USB-TTL adapter, then it will get it’s own port in the PC, but you CAN NOT use the IDE SM to view it, as the IDE SM will always grab the programming port (currently being used by the USB-link).

Using another terminal program like Termite will work in that case.

1 Like
22

New progress
I have runned the following code and it run successfully

//#define BLYNK_PRINT SwSerial  // ONLY AVAILABLE IF YOU HAVE A USB2TTL

//#include <SoftwareSerial.h>  // ONLY AVAILABLE IF YOU HAVE A USB2TTL
//SoftwareSerial SwSerial(10, 11); // RX, TX  ONLY AVAILABLE IF YOU HAVE A USB2TTL
    
#include <BlynkSimpleStream.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "xxxxxxxxxxxx";

BlynkTimer timer;

// This function sends Arduino's up time every second to Virtual Pin (5).
// In the app, Widget's reading frequency should be set to PUSH. This means
// that you define how often to send data to Blynk App.
void myTimerEvent()
{
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  if(analogRead(A1>0))
     Blynk.virtualWrite(V5, 255);
  else
    Blynk.virtualWrite(V5,0);
}

void setup()
{
  // Debug console ONLY AVAILABLE IF YOU HAVE A USB2TTL
  //SwSerial.begin(9600);

  // Blynk will work through Serial
  // Do not read or write this serial manually in your sketch
  Serial.begin(9600);
  Blynk.begin(Serial, auth);

  // Setup a function to be called every second
  timer.setInterval(1000L, myTimerEvent);
}

void loop()
{
  Blynk.run();
  timer.run(); // Initiates BlynkTimer
}
1 Like
23

Nope no USB-TTL adapter till now, but i will get one soon

24

In that case I have edited your last sketch.

25

Thanks alot Gunner and Costas for helping me out in this problem
I can’t express it but,
YOU ARE THE BEST
Thanks again bro’s

1 Like
26

2 posts were split to a new topic: I changed some code and now it does upload. Using blynk-ser.bat

27

hey #Costas #Imran123 #Gunner …dudezz lov u a lott…My entire college students couldnt do this,even final yea studentz…but i made it with ua helpp…
Thanx a lot buddieeessss…