Matthew Arduino Uno and Cascaded Maxim 7219


At a high level the project, called Matthew, is to control 292 LEDs using an Arduino Uno and

a Maxim7219 IC.

The project requested here is review and evaluate a PCB for the Matthew project.

The PCB is based on a schematic found at the Arduino site in The Arduino Playground:

[login to view URL]

The Arduino Playground schamatic is desgned to control an 8x8 matrix.

The Arduino Playground schamatic is adpated to become a linear display:

[login to view URL]

The PCB design is shown in this GIF:

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Have tried using Spice as electronics simulator. But the Spice software requires

input which is a schematic not a PCB. A shematic representation of the PCB could be

drawn but a review of the schematic as true representation of the PCB would then be in


So this project could be a straight review of the PCB or a conversion of the

PCB to schematic. Would need to do at least three ICs cascaded to prove scalability.+

Taidot: Arduino, Piirisuunnittelu, FPGA, Mikrocontroller

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Tietoa työnantajasta:
( 0 arvostelua ) Dallas, United States

Projektin tunnus: #15352873

Myönnetty käyttäjälle:


Hi! I am an electrical and electronics engineer. I have alot of experience in working with arduino in different projects. with different sensors and modules. I am confident that I can complete your project successful Lisää

$50 USD / tunti
(5 Arvostelua)

14 freelanceria on tarjonnut keskimäärin %project_bid_stats_avg_sub_18% %project_currencyDetails_sign_sub_19%/tunti tähän työhön


Hi I am experienced embedded system designer and programmer, I have read the description and I am interested in working on this project, please get in touch to discus it further I have completed over 200 projects he Lisää

$50 USD / tunti
(147 arvostelua)

Hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.i can help you with this [login to view URL] my profile for relevant project and feed backs. Kindly reply back and let us discuss projec Lisää

$65 USD / tunti
(35 arvostelua)

Hi,Client. I have 13+ years experience in circuit, PCB design, manufacture and assemble, firmware and mobile App(android and iOS). I had developed many products ago using various microcontroller including STM32 seria Lisää

$55 USD / tunti
(36 arvostelua)

Hi, I am electronic and communication engineer. I have worked over 6 years about embedded systems. I can design your PCB on Eagle Software and prepare all files(BOM and GERBER) for mass produciton. We can talk al Lisää

$50 USD / tunti
(26 arvostelua)

Hi, I have read your job description and understand it correctly. Your job is really interesting to me and i can do it. let's discuss more details. Thank you.

$55 USD / tunti
(33 arvostelua)

Hi, I can review and verify electrical connections of your project. Also I can check electrical rules and calculations for amperage of segments and timing, so all LEDs to glow with equal force. Regards.

$55 USD / tunti
(18 arvostelua)

i am an electrical engineer expert in arduino. .

$55 USD / tunti
(31 arvostelua)

Hello. Your task is clear I will do in few hours already worked with this Maxim chip. But to better understanding your problem coud you say more details. I want to propose ws2012 leds that have digital controlled line Lisää

$55 USD / tunti
(13 arvostelua)
$55 USD / tunti
(9 arvostelua)

Hi sir I have full and golden experiences with Arduino. I have 10+ years experience in Embedded-based firmware and hardware system design for home and plant automation. Please don't worry about my ability. it's my m Lisää

$50 USD / tunti
(5 arvostelua)

Hi there I have used the 7219 since the days I was given production samples,used it for uC freq,counter, LED Matrix displays.,and audio graphic analyzer displays, Interfaced multiple uC along with ATMEGA328. Do Lisää

$55 USD / tunti
(6 arvostelua)

Dear Sir, I am a professional Electronics Circuit and PCB design Engineer having expertise of years. Contact me.

$60 USD / tunti
(4 arvostelua)
$50 USD / tunti
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