100% brand new and high quality. Features: 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 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. Specifications: Material: Metal and Plastic Size: approx.57x53mm/2.09x2.24in Color: As pictures shown Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x MIDI Shield Module (other accessories demo in the picture is not included.)