Musical Instrument Digital Interface

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2answers
70 views

Serial Data Input through Microcontroller to Output Voltage

I am new here and new to programming, so I thought maybe some of you might be able to help me in the right direction. I am looking to design a circuit that receives serial data from an RS232 port on ...
1
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1answer
97 views

Build output connector in old keyboard

I'm trying to recover an old keyboard (of about 25 years old). It has all circuitry gone in paradise, but it had a midi output and input line. Moreover, its keyboard mechanics and the transducer work ...
5
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2answers
286 views

Is there any reason why using a baud rate of 31250 on an Arduino MIDI project could cause problems?

I have a 600 pulse per revolution optical encoder (and some other stuff) connected to an Arduino Uno (tried it on r2 and r3) through the interrupt pins 2 and 3. While waiting for a my MIDI jack to ...
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0answers
71 views

Designing a polyphonic synth

I am currently designing a synth based on various designs online and modifying them(the vco). I am not sure what I'm going to use in between the MIDI and VCO. What parts/circuits would I need to ...
2
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1answer
353 views

Implementing a class-compliant USB MIDI device

I'm building a device that I want to communicate with a computer using MIDI over a USB connection. There are lots of USB MIDI devices that are class-compliant and thus require no special drivers, ...
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1answer
80 views

How would one make a MIDI to DB25 adapter?

I have a basic GamePort/MIDI cable like this: I was wondering if it is feasible to change this from working with a GamePort interface to working with a DB25 interface?
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1answer
120 views

mbed midi controller feasibility

I'm looking to start on my first microcontroller project-- a midi controller that (hopefully) will connect to an android device via ADK as part of a touch interface. I've never worked with this lower ...
0
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3answers
536 views

Arduino MIDI interface - Serial was not declared in this scope

I'm very new to arduino, I've been trying to follow this tutorial to get the arduino to interface with the Whammy pedal using a MIDI cable. I've managed to sort out the cable, solder it, and identify ...
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4answers
1k views

MIDI sequencer timing accuracy using the Arduino

I build these music sequencers. Only it's not exactly a sequencer, it's a physical interface for a sequencer. The sequencer is an application that runs on a laptop that the sequencer connects to, ...
8
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1answer
430 views

Arduino serial communication protocol design

I make a drum sequencer interface for electronic music. It uses an arduino mega as it's microprocessor, and currently it interfaces to a Processing program that I wrote for serial communication. ...
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1answer
49 views

MIDI status bytes

I have understood that this asyncronous protocol requires a status byte that always starts with a 1 to be able to tell what the start is of the next package and what to do with the data bytes. When ...
2
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2answers
1k views

USB-MIDI Interface with STM32F4 Discovery?

I've got an STM32F4 Discovery Board and I'd like to use/configure it as an USBMIDI device but this standard device class is not (fully) supported by the USB libraries supplied by ST. Any hint? Any ...
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1answer
121 views

Controlling electricity flow via MIDI to power lamps

I'm looking to build an interesting lighting rig comprised of lampshades for my band. Here's an image of what I want to achieve: I have Logic pro running in my Macbook pro. I want to create MIDI ...
2
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2answers
386 views

MIDI - clockless serial with TI MSP430 MCU software?

I'm planning to make a small MIDI transport box ( an encoder plus 6 buttons) but i don't have a lot of experience in serial communications( I have used shift registers but that's all) I would like to ...
0
votes
4answers
1k views

Converting old organ keyboard to MIDI

I have a very old keyboard, a CASIO MA-100 that I want to convert to a MIDI keyboard: Being a programmer and a digital electronics enthusiast, I know how to do it, but I could use some help to save ...
4
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5answers
621 views

Are these MIDI circuits equivalent?

I've been creating a MIDI Thru box project and was trying to avoid having so many resistors. Points A-G may (or may not) have a load connected to them. Are these equivalent, or do I really need to ...
4
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2answers
605 views

DIY MIDI knob Controller

What would it take for me to build something similar to the mockup below?
3
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2answers
229 views

Connector Choice for Arduino/MIDI Bridging Interface

I'm in the early stages of planning a MIDI-mapping component that I can plug into my Alesis DM-6 drum kit so I can ultimately play it through Rock Band 3. I know there are commercial options out ...
5
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3answers
432 views

Pressure/Force sensor

One of my students are planning to make a simple musical keyboard with PIC microcontrolers, using MIDI output. The main problem now is about the pressure/force sensor. I've found a good alternative ...