Terminé

MAX7219 LED DOT MATRIX

Im need assistance on getting my 8x8 LED Module working properly. I was able to get the prefab 8x8 modules working however not my version using different LEDs. Im using Eagle Software to design the 8x8 LED Module with the MAX IC mounted in the back. I will provide the .brd and .sch files for review.

Compétences : Programmation C, Génie Électrique, Electronique, Microcontrôleur, Mise en Page PCB

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Concernant l'employeur :
( 37 commentaires ) Alamo, United States

Nº du projet : #20081221

Décerné à:

LiVit1978

Hello! You have mixed up the anodes and cathodes of the LEDs. It's your problem. Сitation: "DIG 0–DIG 7 - Eight-Digit Drive Lines that sink current from the display common cathode (!!)" do not thank me.

%selectedBids___i_sum_sub_7% %project_currencyDetails_sign_sub_8% USD en 0 jours
(1 Évaluation)
1.0

13 freelance font une offre moyenne de $136 pour ce travail

sofiadubina99

Dear Sir. How do you do? I have seen your description very carefully and posting to you my idea. you can see my many work history from my profle. If you give me a chance to interview, I'll explain in more detail and Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(32 Commentaires)
6.4
Anthony989

Hello, I am Anthony from Sri lanka. I have 7 years of experience in the filed and I am very much interested in your project. I can develop this LED matrix display. Since I have PCB fabrication facilities, I Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(57 Commentaires)
6.5
CometJu

Hi, I have read your project description carefully. I have good experience with led chaser board design. I think that my professional knowledge and experience will provide you with help. If you give me a chance to inte Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(25 Commentaires)
5.8
bulgar

Dear Sir, We are a small R & D company, based in Bulgaria, Europe. We work exclusively with U.S. partners. We specialize in developing Embed systems based ST(STM32),Microchip (Atmel – AVR,ARM) and TI (MSP430) MCPUs and Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(13 Commentaires)
5.8
intellisenseIN

Hi, We could assist you in getting your 8x8 LED Module working properly. Yes, we need .brd and .sch files from you. We are a professional team in Embedded Hardware & Software development. Please come for the interview Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 10 jours
(4 Commentaires)
4.3
LTEDeveloper

Hello, My name is Andrei, i am a Romanian IOT Developer with a lot of experience in IOT projects and automatics . As you can see i have a lot of experience in PCB . I am a hands on engineer , making PCB on the CN Plus

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(21 Commentaires)
4.3
mazeemsk

I am an Electrical, Electronics and Embedded Engineer. I read through the job description very carefully and I am absolutely sure that I can do the project very well. I have worked on similar projects to what you ar Plus

%bids___i_sum_sub_32% %project_currencyDetails_sign_sub_33% USD en 1 jour
(3 Commentaires)
2.5
Panggumsok

Hello, I am working on embedded system design and realization. I have been working with circuit sketch and PCB design and embedded c programming. I've designed a lot of pcb projects and realized it. And I've made so Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(6 Commentaires)
3.2
Sanalmanikandan

Haha... Interesting project... Its similiar to led matrix cube or array... Simple multiplexing... Send schematics

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 3 jours
(10 Commentaires)
3.4
tokumei

Hello, Good day! This is Lawrence and I will be glad to help you. Please contact me anytime to discuss more about it. Thanks, Lawrence

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 5 jours
(1 Évaluation)
0.5
logicsoft5

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do th Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
vladzolotukhin

Hello sir. I am fully experienced and lots of skills for your project. Chat by pressing a button and discuss me about it, we'd appreciate it. Looking forward to hearing from you. Regards. Vladimir.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 5 jours
(0 Commentaires)
0.0