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Description:
Through the MIDI adapter plate, your board or other microcontrollers can be accessed to powerful MIDI communication protocol. MIDI protocol and asynchronous serial interface has many similarities, so users can use the micro-controller UART pin to send MIDI event information. MIDI adapter plate provides MIDI - IN and MIDI - OUT connection, and MIDI THRU port. MIDI - port is light IN isolation, to prevent the ground loop. MIDI adapter plate can be installed directly like a shield at the top of the board: connect MIDI - IN/THRU to for hardware RX pin, connect MIDI - OUT to TX. It data and analog pin, power bus and the bus can transfer out. The RUN/PGM switch can let users on the for board serial port programming, without having to remove the board. Note: the three hole MIDI connector no welding on the MIDI adapter plate, but these connectors included in this product.
Size: 57.4 x 53.1mm
Compatible: 100% compatible
Package Included: 1pcs Module
dgatwood
Reviewed in the United States on February 2, 2025
This board is a functional alternative to the various other MIDI boards out there. After some effort, I did get it working.My main complaint is that debugging any sketch involving MIDI is rather difficult because of the design of this board. Most Arduino hardware has multiple UARTs (serial ports). However, this board design only allows you to use the main serial port.What makes that problematic is that on Arduino, the main serial port is also shared with the USB connection. That means, among other things, that you cannot upload new sketches to the device without turning this off, that you cannot print anything to the console anywhere in your sketch, or you'll end up corrupting your MIDI output, and that you therefore can't usefully debug unless you add a separate USB-to-serial adapter and rig up custom wiring to connect it to one of the other serial ports.I know you can sort of work around that by adding a temporary wiring harness that wires specific pins from the MIDI board to the Arduino board, but that's also somewhat fragile and error-prone, so it would be way better to be able to use jumpers to make that change permanently. Unfortunately, making that change permanent would require soldering to micro-vias or unsoldering one of the connectors, neither of which is a great solution.A two-cent board change — putting a four-pin jumper block at pins 0 and 1 — would have made it utterly trivial to reroute this to the second UART on most Arduinos, which would make it much easier to debug code that uses this board. Instead, it's kind of a pain in the backside.Of course, it would be still better if they had added two extra pins on the adjacent Mega-only pins and provided a true jumper-based configuration, but I'd settle for being able to easily tap the serial lines and disconnect them from pins 0/1 without permanent hardware modifications.
Pgh Runner
Reviewed in the United States on February 4, 2024
The opto-isolator on the one I received did not work. I replaced it, and everything was fine, but basic QC is obviously not happening here. Beware!
BlakeAlbion
Reviewed in the United States on July 7, 2020
Given the price and unbranded look, and lack of documentation, I did not expect much. This is actually an awesome shield. Compared to my Sparkfun MIDI breakout shield, it’s a contender at half the price. And, it comes assembled. Truly plug & play shield for you midi library.
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