UART Protocol Tutorial
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- เผยแพร่เมื่อ 29 ก.ย. 2024
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Fundamentals07 UART Protocol Tutorial or What is serial asynchronous UART communication Protocol
Friends welcome to this video series on Embedded System. In this lecture we are going to understand everything what we need to know to configure UART. We will cover Serial and Parallel communication, Synchronous and Asynchronous communication, Baud rate, UART data frame, Half Duplex and Full Duplex, Advantages and Disadvantages of UART communication.
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Very clear and comprehensible explanation. Thank you for putting so much effort, into making the course accessible and thorough enough. Such results are achieved only with genuine desire and dedication. Thank you very much for clear & in-depth explanation !!! Greetings from Bulgaria
Hi Moliendo, thanks for the great feedback and appreciating the work. I am so happy to know that my efforts are helpful for you. Keep learning 👍
UART are not rated in baud/sec but bits/sec!!!
Nice explanation Sir. I need gsm tutorial with program explanation sir
Hi Jahir Hussain, thanks for sharing the feedback. I will try to make a video to explain how GSM module works.
Hi, what is the max speed of UART?
If I use baud rate as 9600,then what is the bit rate?whether it is same as baud?
I don't understand the stop bit. What happens if the binary number you're sending over has a 1 at the end. What distinguishes the stop bit (1) from a 1 at the end of what you're sending over?
the receiver has the knowledge of length of data frame. After the data frame bits, for example in this case it is 8, the receiver checks the upcoming stop bit. If the bit is 0, that means don't stop, one more data frame is coming and receiver prepares itself to read upcoming 8 bit dataframe, and then checks again and again... In a thousands of dataframe sequence this saves 1/bps time for each, which makes huge difference.
Figer galat banai hy
1,pin no ¹ per graond hy
Jabkh pin 8 per graond hy students canfuz ho jaengy
pretty much similar to RS-232 protocol?
Good 👍
I have a question: Do both GND pin have to be connected to the same ground?
Hi, yes, that's the basic principle of UART like wired communication protocol. If Transmitter and Receiver are connected to different reference GND, they will not be able to understand each other's data.
@@TechVedas thx a lot! This really helps me, as i am setting up a thermal printer with 232 protocol
Awesome awesome awesome......😊😊awesome explanation...thank you so much sir....👌🙏
Hi, thanks for the great response and appreciating the work.
Please give some examples related this concept
Hi Prasanna, pls check out UART Part2. Complete driver development is explained there.
Excellent work. Well done.
howmany slaves and masters can be added in same bus for uart and what is maximum speed of uart
Hi Mallikarjuna, UART is most suitable for one to one communication where no master slave arrangment required. Even though multiple device can be added but it will increase software load to handle this type of communication. I would rather recommend to use I2C or SPI in this case.
Does GSM use UART?
Hi Sharon, even though I had worked with GSM module communicating over UART but there are GSM modules which supports I2C also. You need to check datasheet of your module.
hi , I would like to know the business cooperation conditions in your channel.
HI,
I NEED HELP TO SETUP A UART PROTOCOL FOR MY PROJECT RUNNIN 5 BUS SERVOS.
PLEASE YOUR DIRECTION WILL BE APPRECIATED.
THANK YOU
UART communication can be done between___ and ____????
How many slave can be added in same bus (tx,rx line ) in uart?
Hi Priyajit, UART specification does not mention Master-Slave arrangement. Please check out the below link which will clear your doubt.
www.quora.com/How-can-I-connect-multiple-slaves-to-one-master-using-a-UART-protocol
I personally recommend to use I2C instead UART; if your application required more than 2 devices to communicate.
Great!
Thanks for information Very good
Thanks for appreciating the work.
Not much information, but ok, thanks a lot
Hi Rupak, I have uploaded a new video on "UART configuration" (Part2) by considering STM32F4 series microcontroller. Do checkout the below link:
th-cam.com/video/UnKc3_-K5Lk/w-d-xo.html
Techvedas, nice name of the channel. This video was very helpful.
clear explanation is given, there is a lot need to be explained.
Yes, you are correct. At first I want to make it very simple to understand. Let me know if you want any topic to be added.
Hi Sasi, I have uploaded a new video on "UART configuration" (Part2) by considering STM32F4 series microcontroller. Do checkout the below link:
th-cam.com/video/UnKc3_-K5Lk/w-d-xo.html
@@TechVedas
Sir do video on baud rate generator(block diagram explanation & how it generates bauds)
Hi sir, I have a confuse in Tx and Rx connection. If we have three or more nodes than how this pins are connected and how it will works ?
Hey. Thank you for the great video. But i just have one question. What's the minimum communication wait time for UART?
Bro please attach photos for simplex, half duplex and full full duplex. Because we understand in more batter way.thank you 👏
Please make a video on LIN Protocol
Hi Sai, how about will start with CAN and then cover LIN? I will try to make them soon.
@@TechVedas okay I'm expecting soon because your explanation too good from other to me
Yes
it is bad than wireless transmission ??
Usart explanation
Hi Manish, there is no difference in UART and USART apart from USART can be configured wirh clock. Industry avoid to use Clocked UART as I2C performs better than that. You can check complete i2C tutorial on my chabnel.
can i get soft copy of this presentation
Hi can you contact me for to have your opinion regarding one problem of result value
specific topic, I have system scale, she has small controler and she send both signal to pc and the screen scale, my problem from of the different value
for example
screen 2000 g
Pc 2050g
This is a dynamic scale
We have tryed to change several setting in the pc but Nothing
The Pc is connected withe the RS232 cable
Quite a nice explanation. Thanks
Wow just wow this is so clear
Thnk you sir ❤️
Y we use more than one stop bit
Great video
Thanks bro...
TechVedas lol thats a dope name!
HELLO BRO WHAT IS MEANT BY SYNCHRONISE THE DATA
en.wikipedia.org/wiki/Synchronization_in_telecommunications
How to use the uart interface to combine with the clock? Is there a sample program?