Quantity   Component name
1 × PIC10F220 Content/Electronic Components/Semiconductors and Integrated Circuits/Microprocessors, Microcontrollers, DSPs/ARM, RISC-Based Microcontrollers
1 × SPST Momentary Pushbutton
1 × MIDI connector (female)
1 × 220ohm Resistor
2 × Rotary Potentiometer - 10k Ohm, Linear