PCB Design & Microcontroller Scripting for USB MIDI Controller

This job is to design a printed circuit board with an integrated microcontroller to USB B female output, and integrated LEDs, and to program the microcontroller for use as a Musical Instrument Interface (MIDI) Device. The PBC must be designed to meet the dimensional specifications provided, and the design must be ready for manufacturing. The microcontroller must be programmed to output the provided MIDI values, and to illuminate LEDs to visually display on and off states and variable states of inputs.

The design consists of 144 inputs and outputs: 32 potentiometers, 96 buttons, 16 force-sensing resistors, and 144 LEDs (1 LED per pot., button, and FSR).

The responsibilities of this job include the parts selection of microprocessor (Atmega, etc.,) potentiometer, LED, and force-sensing resistor material, for the purpose of meeting design specifications and keeping costs low for manufacturing. A requirement of parts selection includes that the parts be available for purchase in both individual and bulk quantities so that prototypes can be assembled and tested before bulk quantities are purchased. The ideal parts will be balanced between price and quantity- the goal is to keep the cost as low as possible while maintaining a rugged, durable, reliability.

The deliverables of this project must include the Gerber files and other useful schematic files of the PCB, the program file for loading on the microprocessor, and the parts brand, model name (if applicable) and number, and website address (such as a [url removed, login to view] or [url removed, login to view] link).

*This project is not for being designed on an Arduino or other premade microprocessor PCB, as this will impair design for manufacturing, and increase the cost per unit.

*I am not requiring a Non-disclosure agreement be signed to view this project because the project's primary value lies in the software I've designed for this MIDI control surface to interact with. The control surface layout is of my own design, but without my software system, it does not offer an advantage over whats on the market, and revealing of the software is not necessary for the hardware design.


I'm open to negotiation. I placed this project in the fixed price small project category, but I anticipate it may be a medium project.

Included project files:

-Layout dimensions

-Example PCBs (the design must conform to these examples)

Habilidades: Engenharia Elétrica, Software Integrado, Microcontrolador, Layout PCB, Programming

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Acerca do Empregador:
( 1 comentário ) Salinas, United States

ID do Projeto: #16062740

31 freelancers are bidding on average $1228 for this job


This is a MCU selection+USB MIDI controller board design Relevant Skills and Experience Digital audio, MCU (arm-based) board design, component selection. EDA tools: Altium designer 17, orcad16.6, PADs9.5 Proposed Mil Mais

$1250 USD in 20 dias
(105 Comentários)

Hi I am experienced embedded system developer with more than 8 years of experience in development. I have read the description and have seen the images. the price and time need to be discussed. Relevant Skills and Exp Mais

$1558 USD in 20 dias
(196 Comentários)

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$1111 USD in 20 dias
(46 Comentários)

hello I have 13+ years experience in circuit, PCB design, manufacture and assemble. also I can code the firmware. Relevant Skills and Experience Electrical Engineering, Embedded Software, Microcontroller, PCB Layout, Mais

$1250 USD in 20 dias
(30 Comentários)
$1176 USD in 20 dias
(10 Comentários)

Hi Sir, We have previously developed projects for our clients in which we dealt with MIDI musical interface. We are very expert in PCB designs, we do PCB Designs on latest software Altium Designer. Relevant Skills Mais

$750 USD in 12 dias
(25 Comentários)

Dear Sir! Thank you for your invitation. I am very interest in your project as an experienced PCB designer. I have a good experience to work with Atmega, potentiometer and LEDs. Relevant Skills and Experience You can Mais

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(7 Comentários)

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$1250 USD in 20 dias
(4 Comentários)

Hello I am an electrical engineer and have done similar projects before. At that time, I used Arduino board for controlling MIDI. I think your idea is simple for me cause I have done it before. Relevant Skills and Exp Mais

$1250 USD in 20 dias
(5 Comentários)

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(13 Comentários)
$1250 USD in 20 dias
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Dear, We will be using FPGA due to I/O requirement. We will provide you Schematic, PCB gerber files and FPGA firmware. Regards, Relevant Skills and Experience FPGA, Verilog, Schematic Designing, PCB Designing, Compone Mais

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