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

Fri Jan 24 2020, 11:05 AM
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Wed Jan 22 2020, 06:16 PM
MINU CHAUDHARY
I m getting errors while simulation process during interfacing socket output and lcd... Can i get the report of ur project which is same as us.
Tue Jan 14 2020, 07:08 AM
shubham kharade
when i am trying to simulate the program in Proteus 8 professional, I am getting some errors as cannot find module file dhtxx.md can u help me
Tue Dec 17 2019, 01:44 PM
Devangi
hello..i am programming industrial timer using 8051 with 24lc64 eeprom. i have query in storing the 3 diff value in eeprom with enter button. can anyone share c code ?
Tue Dec 17 2019, 10:30 AM
Andrius
Hello. Can anyone share the code in Bascon and scheme in Proteus?
Thu Nov 21 2019, 12:30 PM
raj2555
how to interface 8051 microcontroller with NRF24L01+ module
ExperimenterUK
Sat Oct 12 2019, 10:23 PM
Log in.. then post your code in the 8051 forum
Sat Oct 12 2019, 10:18 AM
Bhadra Sajikumar
i am doing a countdown timer with 8051 for my project, unfortunately our professor had to take a leave of absence before he could teach us most of it.. can someone explain the .asm code of it for me?
Mon Sep 23 2019, 07:37 AM
Nathaniel
I am doing a project for my schools wireless security system with cameras,sensors and spot lights using 8051 micro controller, could you help me out with the design and its source code.
Wed Sep 18 2019, 08:48 PM
Caryn Kover
Thank you for your time,

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ExperimenterUK Avatar
Posted By ExperimenterUK
Fri Jan 17 2020, 10:24 PM
We will need the circuit diagram.A Proteus simulat...
Billz Avatar
Posted By Billz
Sat Jan 11 2020, 05:43 PM
hi everyone please attached files are my c code fo...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Jan 07 2020, 08:18 PM
Not a stupid question.Setting up "Eclipse" can be...
elt Avatar
Posted By elt
Tue Jan 07 2020, 07:06 PM
So i have just began learning programming micros a...
Billz Avatar
Posted By Billz
Mon Jan 06 2020, 09:22 PM
I think it would be better if you guys try to come...
ExperimenterUK Avatar
Posted By ExperimenterUK
Mon Jan 06 2020, 12:22 AM
Can you post a circuit diagram and any code you ha...
Billz Avatar
Posted By Billz
Sun Jan 05 2020, 08:17 PM
Need help regarding C code (specifically for PIC 1...
ExperimenterUK Avatar
Posted By ExperimenterUK
Mon Dec 30 2019, 06:42 PM
Can you give more details of your problem.
Rupeshpatil Avatar
Posted By Rupeshpatil
Fri Dec 27 2019, 06:21 PM
How to copy program my old microcontroller to new ...
ilylily07 Avatar
Posted By ilylily07
Thu Dec 12 2019, 02:26 PM
wil do.thank you for your advice!