| Arduino Uno | Arduino Uno (Rev3) | type Arduino UNO (Rev3) | 
    | C1 | Electrolytic Capacitor | package 100 mil [THT, electrolytic]; capacitance 1mF; voltage 6.3V | 
    | Candy cane power switch | Taiway 100-SP-X-T1 SPDT Miniature Toggle Switch | package THT; switching circuit SPDT; variant - through hole solder lugs.; part # 100-SP-X-T1-0-0-B1-M1 | 
    | Left Speaker (4 Ohm, 3W) | Loudspeaker |  | 
    | Neopixel power switch | Toggle Switch | package THT; switching circuit SPDT | 
    | Neopixel Ring (12) | 12 NeoPixel Ring | variant variant 1; part # 1643 | 
    | NEOPIXEL Strip (120) | Neopixel Strip -- White (60/m) | color white; variant variant 1 | 
    | Next | Round Pushbutton | switching circuit SPST; default state Normally Open | 
    | Part3 | Adafruit Music Maker Shield with Amp | variant variant 1; part # Adafruit #1788 | 
    | Play/Pause | Round Pushbutton | switching circuit SPST; default state Normally Open | 
    | Power DC 5V, 5A | Power plug |  | 
    | Power LED 3mm | Red (633nm) LED | package 3 mm [THT]; color Red (633nm); leg yes | 
    | Prev. | Round Pushbutton | switching circuit SPST; default state Normally Open | 
    | R3 | 470Ω Resistor | power 0.25W; bands 4; package THT; pin spacing 400 mil; resistance 470Ω; tolerance ±5% | 
    | R4 | 470Ω Resistor | power 0.25W; bands 4; package THT; pin spacing 400 mil; resistance 470Ω; tolerance ±5% | 
    | Right Speaker (4 Ohm, 3W) | Loudspeaker |  | 
    | Stop | Round Pushbutton | switching circuit SPST; default state Normally Open | 
    | Volume | Rotary Potentiometer (Small) | type Rotary Shaft Potentiometer; package THT; size Rotary - 9mm; maximum resistance 50kΩ; track Linear |