Programs written using Arduino Software (IDE) are called sketches. These sketches are written in the text editor and are saved with the file extension .ino. The editor has features for cutting/pasting and for searching/replacing text. The message area gives feedback while saving and exporting and also displays errors. The console displays text output by the Arduino Software (IDE), including complete error messages and other information. The bottom righthand corner of the window displays the configured board and serial port. The toolbar buttons allow you to verify and upload programs, create, open, and save sketches, and open the serial monitor.
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Serial MonitorOpens the serial monitor window and initiates the exchange of data with any connected board on the currently selected Port. This usually resets the board, if the board supports Reset over serial port opening.
ProgrammerFor selecting a hardware programmer when programming a board or chip and not using the onboard USB-serial connection. Normally you won't need this, but if you're burning a bootloader to a new microcontroller, you will use this.
This displays serial sent from the Arduino board over USB or serial connector. To send data to the board, enter text and click on the "send" button or press enter. Choose the baud rate from the drop-down menu that matches the rate passed to Serial.begin in your sketch. Note that on Windows, Mac or Linux the board will reset (it will rerun your sketch) when you connect with the serial monitor. Please note that the Serial Monitor does not process control characters; if your sketch needs a complete management of the serial communication with control characters, you can use an external terminal program and connect it to the COM port assigned to your Arduino board.
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Do you have more instructions on how to do this? I have an iMac with a 7-port USB hub connected to one of its USB ports. I have separate USB leads going from 2 USB hub outlets to each of 2 ESP32s running separate sketches but I cannot open more than one Serial Monitor window at once, and that only shows messages from one of the ESP32 boards at once. How do I get to see messages from both boards on the same serial monitor window?
Hello, how did you feed the other ESP32? At the moment I am trying to work on sending messages through the basic example of the library, I put the same programming in three, I only changed the name of the nodes, one is connected to the computer, the others fed with a cell phone charger. I did not get any messages on the serial monitor. What can it be?
Hi . I want to thank you for all the great tutorials , this has been about the best place for a novice to start out . Your examples and explanations are the best . Awhile ago I downloaded several of your downloadable books to support your cause and to help me with my hobby. In the past I have worked with mostly Arduino Uno boards but I really like the 2 core and 10X speed of ESP32 boards . I created a 3 ESP32Wroom and Freenove ESP32-Wrover-Dev bds. I had to change the code to use DHT11 for one of the nodes because thats what I had at the time . I was actually impressed with myself that I was able to rem out the BMP280 and add the DHT11 code instead and it worked. The one problem I am having or maybe its just my misunderstanding . When I get all 3 up and running each serial monitor only displays 2 nodes ? 1 & 2 , 2 & 3 , and 1 & 3 . Any suggestions ? Right now I am just learning all I can about ESP32 because I want to build it into robot cars that communicate with each other to send info. before I used Bluetooth to send motor codes . It would be nice if Wifi could transmit locations to each robot car and move accordingly.Anyway thanks for all your great work .Greg 2ff7e9595c
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