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Centrado / z-blockly-tracker

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blynk- Mqtt publish #293

Closed Maharajacentrado closed 1 year ago

Maharajacentrado commented 1 year ago
image 
char msgmqtt[50];

void callback(char * topic, byte * payload, unsigned int length) {
  String MQTT_DATA= "";
  for (int i = 1; i <= length; i += 1)
  {
    MQTT_DATA += (char)payload[i];
  }
}

void setup()
{
  snprintf (msgmqtt, 50, "%d", "");
  client.publish( , msgmqtt);

}

void loop()
{

}
Maharajacentrado commented 1 year ago

pl add the above code. need to add the void callback lines. others are same