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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 Arduino board: connect MIDI - IN/THRU to for Arduino hardware RX pin, connect MIDI - OUT to TX.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.