Arduino Serial Tutorial

  1. Arduino Serial Communication
  2. Arduino Programming Tutorial
  3. Arduino Serial Lcd Tutorial
  4. Serial Communication Arduino Code


Hello friends, I hope you all are fine and having fun with your lives. In today’s tutorial, I am going to show you How to use Arduino Serial Monitor. It’s not gonna be a very big post but its really very essential if you wanna learn Arduino coding. Because Arduino Serial Monitor is a great debugging tool and it helps a lot in Arduino Projects. In the previous post we have seen How to use digitalRead in Arduino and if you recall that tutorial then you must remember that in it we have used some Serial printing. So that’s what we are gonna cover in today’s tutorial.

Before going into the details, I must suggest you to first read these two posts because in those tutorials I have shown the serial communication which is essential for Serial Monitor Working. So, you guys must first read them and then continue this tutorial. IF you have any questions then ask in the comments.

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  • How to use Arduino Serial Read ?
  • How to use Arduino Serial Write ?

So, now let’s get started with Introduction of Arduino Serial Monitor:

Dec 05, 2016  Hello friends, I hope you all are fine and having fun with your lives. Today, I am going to share a very basic and introductory tutorial named as How to use Arduino Serial Read.I am sharing this tutorial because I am getting a lot of emails in which users normally asks about basic Arduino tutorials as they are very new to it.

How to open Arduino Serial Monitor ?

Serial Communication is a protocol in an embedded system for communication between the microcontroller based devices like arduino and raspberry pie to other peripheral devices supporting the serial communication protocol. Jan 20, 2017  Hello friends, I hope you all are fine and having fun with your lives. In today’s tutorial, I am going to show you How to use Arduino Serial Monitor. It’s not gonna be a very big post but its really very essential if you wanna learn Arduino coding. Because Arduino Serial Monitor is a great debugging tool and it helps a lot in Arduino Projects. The Software Serial Library; TwoPortReceive – Two serial ports that receive data switching from one to the other one when a special character is received. MultiSerialMega - Use two of the serial ports available on the Arduino and Genuino Mega. Serial Call Response - Send multiple vairables using a call-and-response (handshaking) method.

  • There are two ways to open Arduino Serial Monitor, so let’s discuss both of them one by one:
  • Ah, Arduino, I remember when you were just crawling around and blinking LEDs. Now you're ready to learn how to speak! In this lesson we'll learn how to use the Serial Library to communicate from the Arduino board back to the computer over the USB port. Then we'll learn how to manipulate numbers and data.
  • Serial communication on pins TX/RX uses TTL logic levels (5V or 3.3V depending on the board). Don’t connect these pins directly to an RS232 serial port; they operate at +/.
First way
  • Open your Arduino Software and then click on the small box in the right top corner as shown in the below figure:
  • Your Arduino must be connected to your computer when you click this Serial Monitor.
  • If Arduino is not connected then it will create error but if Arduino is connected and configured then it will open a new window as shown in below figure:
  • This new window is called Arduino Serial Monitor, we are gonna discuss how to use it in the next section, let’s have a look at the second way of opening it:
Second Way
  • You can also open it by clicking on the Tools in the Top Menu and then click Serial Monitor and same Serial Monitor will open up as shown in below figure:
  • You can also use the short keys Ctrl+Shift+M to open Arduino Serial Monitor.
  • So, that’s all about How to open Arduino Serial Monitor. So, now let’s have a look at How to use it and why to use it ? 🙂

What is Arduino Serial Monitor ?

  • Arduino Serial Monitor is a simple tool available in Arduino software.
  • Arduino Serial Monitor is used in Serial communication and it prints data, whatever you send through the serial port of Arduino will also be view able on this Serial Monitor.
  • In Windows XP, we have a Hyper Terminal which is used for Serial communication and this Arduino Serial Monitor is just a replica of that Hyper Terminal.
  • So, using this Arduino Serial Monitor you can check what you are sending and you can also place checks in your code.
  • For example, I want to check the status f any digital Pin then I can simply Serial print it that when some button is pressed then I will be notified.
  • I am gonna discuss it in detail further. but first let’s have a simple data sending on Serial Monitor.
  • So, connect your Arduino and then upload the below code in it:
  • Now you can see in the above code that I just begin my serial port and then I have used the command Serial.print to print some data on the Serial Port.
  • So, now upload this code in your Arduino board which must be connected to your computer in order to work this Serial Monitor.
  • After uploading the code, now open your Serial Monitor and you will get this data in your Serial Monitor which means this data has been sent Serially as shown in below figure:
  • Now you can see that our data has been sent serially.

Note:

  • Serial Monitor is using the Serial Port so that’s why its directly connected to Pin # 0 and Pin # 1 of Arduino.
  • When you open your Serial Monitor then your Arduino resets.
  • You can change the baud rate from lower right corner so because we have begin our Serial port with baud rate 9600 that’s why I have selected 9600 in Serial Monitor.
  • Now if you manually want to send some data on the Serial Port of your Arduino (RX) then you can type in above bar and then click Send.
  • So, let’s design a small code in which we will send the data on the Serial Port which will be received on it.
  • So, upload the below code in your Arduino and open your Serial Monitor.
  • Now, open your Serial Monitor and type something in it and it will be printed on your Serial Monitor as shown in below figure:
  • So, I have printed my name and then Send it and it is printed on the Serial Monitor.
  • Now, you know both ways of How to use Arduino Serial Monitor, now let me tell you where you can use it.

Serial Monitor as a Debugging Tool

  • Serial Monitor is a great debugging tool.
  • You can place checks in your code like you wanna see how many lines are working.
  • So, if your code is of like 500 lines then you can place check in between like after 100 lines to see if its working or not.
  • Similarly, if you are dealing with some GPS module then you can receive its data via the Software Serial and then can print it on the Serial Monitor to see that you are getting the data correctly.
  • For having a look at Serial Data Receive you should check Send SMS using Sim900 and Arduino because in that post I have sent data over Serial Port and received data and then printed it on Serial Monitor.
  • Here’s an awesome video in which one of our team members has shown how to use Arduino Serial Monitor:

Arduino Serial Communication


So, that’s all about the Arduino Serial Monitor and I hope you guys have enjoyed it. I am gonna share more Arduino basic tutorials soon. Take care !!! 🙂

Arduino Programming Tutorial


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Arduino Serial Lcd Tutorial

Category: ArduinoBy Syed Zain NasirLeave a comment

Serial Communication Arduino Code

Author: Syed Zain Nasir

https://www.theengineeringprojects.com/I am Syed Zain Nasir, the founder of <a href=https://www.TheEngineeringProjects.com/>The Engineering Projects</a> (TEP). I am a programmer since 2009 before that I just search things, make small projects and now I am sharing my knowledge through this platform.I also work as a freelancer and did many projects related to programming and electrical circuitry. <a href=https://plus.google.com/+SyedZainNasir/>My Google Profile+</a>
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