Quantity   Component name
1 × 470uF 10V electrolytic capacitor power supply bypass capacitor
1 × 1 kohm 1/8 watt resistor Nano-to-DFplayer Tx-Rx connection
1 × 8x1 pin header socket 0.1” pin spacing DFplayer socket
1 × circuit board circuit board as per Eagle files provided
2 × Screw 4-40 Philips flat head 5/16” length stainless steel front panel screws
2 × Screw 4-40 Philips flat head 3/16” length stainless steel back panel screws
2 × Standoff 4-40 female-female 3/16 hex 1” long aluminum long standoffs
2 × Standoff 4-40 male-female 3/16 hex 1/4” long aluminum front standoffs (speaker mount)
2 × Standoff 4-40 male-female 3/16 hex 3/16” long aluminum back standoffs, mount for back panel
1 × front panel white 1/8” acrylic (approx 3.1 x 2.8) cut as per DXF file (to be provided)
1 × back panel white 1/8” acrylic (2.8 x 2.5) cut as per DXF file to be provided
1 × boxed speaker a link will be provided
1 × 100 ohm 1/8 watt resistor Nano AREF to 3v3 resistor avoids short if MCU programming error
1 × Arduino Nano or clone
1 × DFplayer Mini MP3 player, a link will be provided
1 × tactile switch 6x6x10mm red pause/play button
2 × tactile switch 6x6x10mm white volume up/down buttons
1 × tactile switch 6x6x10mm blue skip button
2 × 4 pin Grove right angle connector 2mm pin spacing expansion connectors
1 × 2 pin JST PH connector 2mm pin spacing speaker connector
1 × USB connector right angle USB stick connector, for MP3 file data storage
2 × 15x1 pin header socket 0.1” pin spacing Nano socket