I tried following but it is not working:
Code: Select all
esp_mqtt_client_publish(mqttclient, "mytopic"," ",0, 0, 0);
esp_mqtt_client_publish(mqttclient, "mytopic",' ',0, 0, 0);
esp_mqtt_client_publish(mqttclient, "mytopic",NULL,0, 0, 0);
Code: Select all
esp_mqtt_client_publish(mqttclient, "mytopic"," ",0, 0, 0);
esp_mqtt_client_publish(mqttclient, "mytopic",' ',0, 0, 0);
esp_mqtt_client_publish(mqttclient, "mytopic",NULL,0, 0, 0);
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