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 [login to view URL] or [login to view URL] 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)

Kemahiran: Kejuruteraan Elektrik, Perisian Terbenam, Mikropengawal, Susun Atur PCB, Pengaturcaraan

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Tentang Majikan:
( 2 ulasan ) Salinas, United States

ID Projek: #16062740

Dianugerahkan kepada:


I have reviewed the project files you've uploaded and I'm intrigued by your midi controller project. I have estimated it to take me around 50-75 hours. Relevant Skills and Experience USB design experience (host/device Lagi

$1250 USD dalam 20 hari
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28 pekerja bebas membida secara purata $1562 untuk pekerjaan ini


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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 Lagi

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Hello, I am an Embedded system developer and Product Design Engineer.I have extensive experience in Design of Electronics and embedded System Design. I have expertise in PCB Design and also Firmware development.I have Lagi

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I can design this develop and create actual prototype to demonstrate the functionality. I have very good PCB printing and prototyping lab. Please contact me if you are interested in my profile. Relevant Skills and Exp Lagi

$1111 USD dalam 20 hari
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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 Lagi

$1250 USD dalam 20 hari
(27 Ulasan)

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, Lagi

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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 Lagi

$750 USD dalam 12 hari
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Hi, happy new year! I have read your project description. Your project is really interesting to me and i would like to work with you. Let's discuss kindly. Thank you. Relevant Skills and Experience Electrical Engineer Lagi

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i am a embedded hardware and software expert and have rich experience with hardware design. i designed pcbs and developed firmware for it , manufactured prototype directly. Relevant Skills and Experience you can Lagi

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Hello, I have professional experience with electronics and circuit design, I have experience with MCUs, USB interface, and LED boards (screen like). I have read your project description and I believe that i can Lagi

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I can do your job.

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Hi, my name is Zeeshan. I would love the opportunity to assist you in Designing this PCB and programming the controller to work as a MIDI Device. I have read your requirements and willing to do it. I would like to disc Lagi

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please check this link for detailed quote [login to view URL] Our understanding is provided below. 1. To design a printed circuit board Relevant Skills and Experience a. Lagi

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