Okechukwu
05 Jul 2014: 01:19 AM
Sir, i want to know if Nasim Majoka's scrolling LED display has effects like flying, scroll back, come down, etc. Thanks.
  
ajay_bhargav
05 Jul 2014: 06:47 AM
No Its a basic scrolling matrix project If you add effects to it please share back with us.
  
rawineak
09 Jul 2014: 07:55 AM
Sir.
I need led rgb strip ws2812 text moving scrolling 32x100 pixel use on 89c5131. Thank regard
  
rawineak
09 Jul 2014: 08:01 AM
Sir , I want led rgb strip ws2812 text moving scrolling 50x100 pixel use on 89c5131. thank regard
  
ElectronicManiac
31 Mar 2015: 15:24 PM
Sir, Please i am half way done with my project. Please tell me whether cathodes of led matrix are connected to the UDN2981 or the anodes?
please reply as soon as possible..
  
ajay_bhargav
03 Apr 2015: 11:22 AM
@ElectronicManiac, Anode connected to UDN2981 and cathode is connected to ULN2803. Next time please post question in forum. Use post a question button on the right side.
  
ElectronicManiac
03 Apr 2015: 19:21 PM
Thank you sir.
  
Moses Okoroafor
07 May 2015: 22:50 PM
I tried installing the file, but I keep getting an error message about some files missing. Also, the circuit diagram shows only the UDN2981 connection, but not the uln2803. care to comment?
  
tom12345
15 Aug 2015: 15:19 PM
In your code
dot matrix.c(184): error C202: 'AddWr': undefined identifier

Please help
  
ajay_bhargav
27 Aug 2015: 07:37 AM
@Moses Okoroafor, what is the error message.
@tom12345 did you include all the files in project?
  
Arang ariawan
07 Mar 2016: 02:17 AM
"It's work..thank.):
Any solution to make 8x80 or more with your project..sir
Sorry..i am big mouth..):
  
Imammusthofa
14 Sep 2016: 10:11 AM
Sir, it's hard to find 74HCT4514 here, can I change it with 74HC595?.
Please help. Thank you.
  
Ravi Ambaliya
02 Feb 2017: 10:46 AM
Plzz sir send me layout file in eagle
  
ajay_bhargav
14 Mar 2017: 08:41 AM
@Ravi We do not have a layout, Why not make one and share it?
  
lokesh kadali
05 Dec 2018: 04:27 AM
Sir
Can you please post code for GSM BASED SCROLLING LED DOT MATRIX DISPLAY along with code & circuit diagram in your website or send to my mail id :

[email protected]


Sorry for the inconvinience waiting for your reply thank you
  
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Conversation

ExperimenterUK
Thu Jul 11 2019, 08:55 PM
@ramos https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html
ExperimenterUK
Thu Jul 11 2019, 08:44 PM
@praveen123. Can you give a link to the project ?
Thu Jul 11 2019, 05:47 PM
ramos
buenos dias alguien podria ayudarme necesito saber como descargar la libreria del l298n para proteus
Thu Jul 11 2019, 12:11 PM
praveen123
anyone can help me
Thu Jul 11 2019, 12:11 PM
praveen123
i need source code for 8051 -smart trolley rfid
Thu Jul 11 2019, 12:10 PM
praveen123
hii
ExperimenterUK
Thu Jun 27 2019, 10:14 PM
Hi.. good to see you again
۞ TPS ۞
Thu Jun 27 2019, 08:31 AM
Hello
AdiGhazi
Tue Jun 18 2019, 12:21 PM
Hlo Dear , I've to program AT89C51AC3 RT-LUM using flip but I'm getting time out error for RS232. Will you please suggest me which programmer will be supportable to program this Chip.
Sun Jun 16 2019, 08:48 PM
hanoch Taub
i need to interface sim800 to 8051, the problem is that on the module sim800 there are 9 pins connector and I don't know how to connect him to 8051, which pins to tx and rx on 8051 module sim there is

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3AAPC
Sun Jul 21 2019, 12:41 AM
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Fri Jul 19 2019, 07:36 AM
anhsieuno
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zxcvbnm1234
Sat Jul 13 2019, 07:09 AM
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Wed Jul 10 2019, 01:17 PM
figureyang
Fri Jul 05 2019, 04:25 AM
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Sat Jun 29 2019, 05:02 PM

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Sun Jul 21 2019, 12:47 AM
With the GPS antenna in the outdoors, I use the ub...
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Fri Jul 19 2019, 07:42 AM
Hello,Please share 8051 Assembly language code for...
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here is the source code prepared for you download ...
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Cheap_Flash_FS(Normal Version)--Embedded FAT16/32 ...
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Sat Jun 22 2019, 01:26 PM
I’ve use the AT89C51ED2 which has a similar progra...
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baud rate is 9600 at stop bits of 2. AdiGhaziThe u...
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Thu Jun 20 2019, 05:24 AM
Dear,I'm using RS232 serial port cable to use flip...
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Posted By ExperimenterUK
Tue Jun 18 2019, 10:19 PM
Okay.. I have never programmed the AT89C51AC3 or ...
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Posted By AdiGhazi
Tue Jun 18 2019, 11:20 AM
Hlo Dear ,I've to program AT89C51AC3 RT-LUM using ...