Home/Self-Learn/Communication-ESP32.md

@@ -159,7 +159,8 @@ WiFi.begin(SSID,PWD,6);
 
 > Due to our simulation environment we are going to use the PubSubClient Library, which is accessable in the wokwi-library-Manager
 >
-> Additionaly we are adding a function to build our Data-Object. Try to test the following Code and understand the System-Architecture und flow. Hint: chatgpt can help you with that.
+> Additionaly we are adding a function to build our Data-Object. Try to test the following Code and understand the System-Architecture und flow.
+> :bulb: Hint: chatgpt can help you with that.
 >
 > :bulb: Hint: Add the neccessary Libraries in your simulation-project via the library-manager
 
@@ -291,7 +292,9 @@ void publishMsgBasket() {
 
 ### Node-Red
 
-> After the installation of Node-Red, start the program via the Command Line Interface (CLI). To do this, search for "cmd" on your PC and start the terminal. Enter `node-red` and hit enter. After that, Node-Red is running on your PC. Now go to your browser, enter `localhost:1880`, and hit enter. Now you are ready to evaluate your ESP32 data communication.
+> After the [installation](https://nodered.org/docs/getting-started/local) of Node-Red, start the program via the Command Line Interface (CLI). To do this, search for "cmd" on your PC and start the terminal. Enter `node-red` and hit enter. After that, Node-Red is running on your PC. Now go to your browser, enter `localhost:1880`, and hit enter. Now you are ready to evaluate your ESP32 data communication.
+
+![NodeRedStart](../gifs/Node_red_start_cmd_mac.gif)
 
 ### Steps in Node-Red
 
@@ -300,6 +303,7 @@ void publishMsgBasket() {
 >   * Server: `test.mosquitto.org`
 >   * Port: `1883`
 >   * Protocol: `MQTT V3.1.1`
+> * Define YOUR Topic you want to subscribe to.
 > * Add a debug node and connect the two blocks.
 > * Deploy your flow and check the communication.