Arduino "MIDIsync" MIDI and CV Master Clock

ɔ 2012-2017 Tom Hensel tom@jitter.eu Hamburg, Germany - License at https://opensource.org/licenses/BSD-3-Clause

At least running on

• Arduino Uno
• Teensy 3.1

Should be compatible with the MIDI-Shield from Sparkfun.

Libraries are included as git submodules. To clone the project and it's submodules please do:

$ git clone https://github.com/gretel/MIDIsync.git
$ cd MIDIsync
$ git submodule init
$ git submodule update

Building and uploading can be done easily using platformio.

Currently, python 2.7.10 is required as well as pip.

Please edit platformio.ini first to reflect your serial port.

$ pip install -U pip setuptools
$ pip install -U platformio
$ cd MIDIsync
$ platformio run
...

Working on schematics.. Please assist if you have the time and skills!

My devices running it (nicknamed "Hensel MODEL-01") have the following features:

• High-precision Master Clock
  • MIDI Clock Output
  • CV/Gate Output (0V/5V)
• Micro-adjustable Tempo (endless rotary knob, two speeds)
• Tap-Tempo Function (dropout protection, auto-smoothing)
• Control MIDI Equipment (start, continue, stop)
• Settings can be saved in non-volatile memory
• Jumbo Tri-Color LEDs for Tempo and Status display
• MIDI-Thru (latency-free hardware circuit)
• Tolerant power input (7-12V DC) and hardware power switch
  • Low-power design, runs on batteries and USB-power (adapter required)
  • Energy-efficient power supply included

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